Updates version to 0.6.0 Beta 2

#1637 DMR Cap+/CapMax Channel Frequency Map / Trunking Issue

.idea/misc.xml

@@ -4,7 +4,7 @@
   <component name="FrameworkDetectionExcludesConfiguration">
     <file type="web" url="file://$PROJECT_DIR$" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_X" default="true" project-jdk-name="liberica-20" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_20" default="true" project-jdk-name="liberica-20" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

build.gradle

@@ -53,7 +53,7 @@ repositories {
     maven { url "https://jitpack.io" }
 }
 
-version = '0.6.0-alpha7'
+version = '0.6.0-beta2'
 
 //Java 20 is required for this version of the Project Panama preview/incubator feature
 java {

src/main/java/io/github/dsheirer/alias/AliasFactory.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -19,22 +19,15 @@
 package io.github.dsheirer.alias;
 
 import io.github.dsheirer.alias.action.AliasAction;
-import io.github.dsheirer.alias.action.AliasActionType;
 import io.github.dsheirer.alias.action.beep.BeepAction;
 import io.github.dsheirer.alias.action.clip.ClipAction;
 import io.github.dsheirer.alias.action.script.ScriptAction;
 import io.github.dsheirer.alias.id.AliasID;
-import io.github.dsheirer.alias.id.AliasIDType;
 import io.github.dsheirer.alias.id.broadcast.BroadcastChannel;
+import io.github.dsheirer.alias.id.dcs.Dcs;
 import io.github.dsheirer.alias.id.esn.Esn;
-import io.github.dsheirer.alias.id.legacy.fleetsync.FleetsyncID;
-import io.github.dsheirer.alias.id.legacy.mdc.MDC1200ID;
 import io.github.dsheirer.alias.id.legacy.mobileID.Min;
-import io.github.dsheirer.alias.id.legacy.mpt1327.MPT1327ID;
-import io.github.dsheirer.alias.id.legacy.nonrecordable.NonRecordable;
 import io.github.dsheirer.alias.id.legacy.siteID.SiteID;
-import io.github.dsheirer.alias.id.legacy.talkgroup.LegacyTalkgroupID;
-import io.github.dsheirer.alias.id.legacy.uniqueID.UniqueID;
 import io.github.dsheirer.alias.id.lojack.LoJackFunctionAndID;
 import io.github.dsheirer.alias.id.priority.Priority;
 import io.github.dsheirer.alias.id.radio.Radio;
@@ -45,11 +38,10 @@ import io.github.dsheirer.alias.id.status.UserStatusID;
 import io.github.dsheirer.alias.id.talkgroup.Talkgroup;
 import io.github.dsheirer.alias.id.talkgroup.TalkgroupRange;
 import io.github.dsheirer.alias.id.tone.TonesID;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.List;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class AliasFactory
 {
@@ -64,6 +56,11 @@ public class AliasFactory
                 BroadcastChannel copyBroadcast = new BroadcastChannel();
                 copyBroadcast.setChannelName(originalBroadcast.getChannelName());
                 return copyBroadcast;
+            case DCS:
+                Dcs originalDcs = (Dcs)id;
+                Dcs copyDcs = new Dcs();
+                copyDcs.setDCSCode(originalDcs.getDCSCode());
+                return copyDcs;
             case ESN:
                 Esn originalESN = (Esn)id;
                 Esn copyESN = new Esn();
@@ -234,65 +231,4 @@ public class AliasFactory
 
         return copy;
     }
-
-    public static AliasID getAliasID(AliasIDType type)
-    {
-        switch(type)
-        {
-            case BROADCAST_CHANNEL:
-                return new BroadcastChannel();
-            case ESN:
-                return new Esn();
-            case FLEETSYNC:
-                return new FleetsyncID();
-            case LTR_NET_UID:
-                return new UniqueID();
-            case LOJACK:
-                return new LoJackFunctionAndID();
-            case MDC1200:
-                return new MDC1200ID();
-            case MIN:
-                return new Min();
-            case MPT1327:
-                return new MPT1327ID();
-            case NON_RECORDABLE:
-                return new NonRecordable();
-            case PRIORITY:
-                return new Priority();
-            case RADIO_ID:
-                return new Radio();
-            case RADIO_ID_RANGE:
-                return new RadioRange();
-            case RECORD:
-                return new Record();
-            case TALKGROUP:
-                return new Talkgroup();
-            case TALKGROUP_RANGE:
-                return new TalkgroupRange();
-            case SITE:
-                return new SiteID();
-            case STATUS:
-                return new UserStatusID();
-            case LEGACY_TALKGROUP:
-                return new LegacyTalkgroupID();
-            default:
-                throw new IllegalArgumentException("Unrecognized Alias ID type: " + type);
-        }
-    }
-
-    public static AliasAction getAliasAction(AliasActionType type)
-    {
-        switch(type)
-        {
-            case BEEP:
-                return new BeepAction();
-            case CLIP:
-                return new ClipAction();
-            case SCRIPT:
-                return new ScriptAction();
-            default:
-                throw new IllegalArgumentException("Unrecognized Alias Action type: " + type);
-        }
-    }
-
 }

src/main/java/io/github/dsheirer/alias/AliasList.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -21,6 +21,7 @@ package io.github.dsheirer.alias;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
 import io.github.dsheirer.alias.id.AliasID;
 import io.github.dsheirer.alias.id.broadcast.BroadcastChannel;
+import io.github.dsheirer.alias.id.dcs.Dcs;
 import io.github.dsheirer.alias.id.esn.Esn;
 import io.github.dsheirer.alias.id.priority.Priority;
 import io.github.dsheirer.alias.id.radio.Radio;
@@ -32,6 +33,7 @@ import io.github.dsheirer.alias.id.talkgroup.TalkgroupRange;
 import io.github.dsheirer.alias.id.tone.TonesID;
 import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.identifier.IdentifierCollection;
+import io.github.dsheirer.identifier.dcs.DCSIdentifier;
 import io.github.dsheirer.identifier.esn.ESNIdentifier;
 import io.github.dsheirer.identifier.patch.PatchGroup;
 import io.github.dsheirer.identifier.patch.PatchGroupIdentifier;
@@ -41,12 +43,8 @@ import io.github.dsheirer.identifier.status.UserStatusIdentifier;
 import io.github.dsheirer.identifier.talkgroup.TalkgroupIdentifier;
 import io.github.dsheirer.identifier.tone.ToneIdentifier;
 import io.github.dsheirer.identifier.tone.ToneSequence;
+import io.github.dsheirer.module.decode.dcs.DCSCode;
 import io.github.dsheirer.protocol.Protocol;
-import javafx.collections.FXCollections;
-import javafx.collections.ObservableList;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
@@ -57,6 +55,10 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeMap;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * List of aliases that share the same alias list name and provides convenient methods for looking up alias
@@ -67,6 +69,7 @@ public class AliasList
     private final static Logger mLog = LoggerFactory.getLogger(AliasList.class);
     private Map<Protocol,TalkgroupAliasList> mTalkgroupProtocolMap = new EnumMap<>(Protocol.class);
     private Map<Protocol,RadioAliasList> mRadioProtocolMap = new EnumMap<>(Protocol.class);
+    private Map<DCSCode,Alias> mDCSCodeAliasMap = new EnumMap<>(DCSCode.class);
     private Map<String,Alias> mESNMap = new HashMap<>();
     private Map<Integer,Alias> mUnitStatusMap = new HashMap<>();
     private Map<Integer,Alias> mUserStatusMap = new HashMap<>();
@@ -178,6 +181,12 @@ public class AliasList
 
                         radioRangeAliasList.add(radioRange, alias);
                         break;
+                    case DCS:
+                        if(id instanceof Dcs dcs)
+                        {
+                            mDCSCodeAliasMap.put(dcs.getDCSCode(), alias);
+                        }
+                        break;
                     case ESN:
                         String esn = ((Esn)id).getEsn();
 
@@ -418,7 +427,7 @@ public class AliasList
                         return toList(radioAliasList.getAlias(radio));
                     }
                     break;
-                case ESN:
+                case DCS:
                     if(identifier instanceof ESNIdentifier)
                     {
                         return toList(getESNAlias(((ESNIdentifier)identifier).getValue()));
@@ -439,9 +448,9 @@ public class AliasList
                     }
                     break;
                 case TONE:
-                    if(identifier instanceof ToneIdentifier)
+                    if(identifier instanceof ToneIdentifier toneIdentifier)
                     {
-                        ToneSequence toneSequence = ((ToneIdentifier)identifier).getValue();
+                        ToneSequence toneSequence = toneIdentifier.getValue();
 
                         if(toneSequence != null && toneSequence.hasTones())
                         {
@@ -454,6 +463,15 @@ public class AliasList
                             }
                         }
                     }
+                    else if(identifier instanceof DCSIdentifier dcsIdentifier)
+                    {
+                        DCSCode dcsCode = dcsIdentifier.getValue();
+
+                        if(dcsCode != null)
+                        {
+                            return toList(mDCSCodeAliasMap.get(dcsCode));
+                        }
+                    }
                     break;
             }
         }

src/main/java/io/github/dsheirer/alias/id/AliasID.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 package io.github.dsheirer.alias.id;
 
@@ -26,6 +23,7 @@ import com.fasterxml.jackson.annotation.JsonSubTypes;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlRootElement;
 import io.github.dsheirer.alias.id.broadcast.BroadcastChannel;
+import io.github.dsheirer.alias.id.dcs.Dcs;
 import io.github.dsheirer.alias.id.esn.Esn;
 import io.github.dsheirer.alias.id.legacy.fleetsync.FleetsyncID;
 import io.github.dsheirer.alias.id.legacy.mdc.MDC1200ID;
@@ -54,6 +52,7 @@ import javafx.util.Callback;
 @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.PROPERTY, property = "type")
 @JsonSubTypes({
     @JsonSubTypes.Type(value = BroadcastChannel.class, name = "broadcastChannel"),
+    @JsonSubTypes.Type(value = Dcs.class, name = "dcs"),
     @JsonSubTypes.Type(value = Esn.class, name = "esn"),
     @JsonSubTypes.Type(value = FleetsyncID.class, name = "fleetsyncID"),
     @JsonSubTypes.Type(value = LegacyTalkgroupID.class, name = "talkgroupID"),

src/main/java/io/github/dsheirer/alias/id/AliasIDType.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 package io.github.dsheirer.alias.id;
 
@@ -26,6 +23,7 @@ import java.util.EnumSet;
 public enum AliasIDType
 {
     BROADCAST_CHANNEL("Audio Broadcast Channel"),
+    DCS("Digital Coded Squelch (DCS)"),
     ESN("ESN"),
     INVERT("Audio Inversion"),
     LOJACK("LoJack"),

src/main/java/io/github/dsheirer/alias/id/dcs/Dcs.java

@@ -0,0 +1,111 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.alias.id.dcs;
+
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
+import io.github.dsheirer.alias.id.AliasID;
+import io.github.dsheirer.alias.id.AliasIDType;
+import io.github.dsheirer.module.decode.dcs.DCSCode;
+
+/**
+ * Digital Coded Squelch (DCS) tone identifier
+ */
+public class Dcs extends AliasID implements Comparable<Dcs>
+{
+    private DCSCode mDCSCode;
+
+    @Override
+    public AliasIDType getType()
+    {
+        return AliasIDType.DCS;
+    }
+
+    @Override
+    public boolean matches(AliasID id)
+    {
+        if(isValid() && id instanceof Dcs other)
+        {
+            return other.isValid() && getDCSCode().equals(other.getDCSCode());
+        }
+
+        return false;
+    }
+
+    /**
+     * DCS code
+     * @return DCS code or null.
+     */
+    @JacksonXmlProperty(isAttribute = true, localName = "code")
+    public DCSCode getDCSCode()
+    {
+        return mDCSCode;
+    }
+
+    /**
+     * Sets the DCS code value.
+     * @param dcsCode to set
+     */
+    public void setDCSCode(DCSCode dcsCode)
+    {
+        mDCSCode = dcsCode;
+        updateValueProperty();
+    }
+
+    @Override
+    public boolean isValid()
+    {
+        return mDCSCode != null;
+    }
+
+    @Override
+    public boolean isAudioIdentifier()
+    {
+        return false;
+    }
+
+    @Override
+    public String toString()
+    {
+        if(isValid())
+        {
+            return getDCSCode().toString();
+        }
+
+        return "DCS-Invalid - No Tone Selected";
+    }
+
+    @Override
+    public int compareTo(Dcs o)
+    {
+        if(isValid())
+        {
+            if(o.isValid())
+            {
+                return getDCSCode().compareTo(o.getDCSCode());
+            }
+            else
+            {
+                return 1;
+            }
+        }
+
+        return -1;
+    }
+}

src/main/java/io/github/dsheirer/dsp/filter/channelizer/PolyphaseChannelManager.java

@@ -23,6 +23,7 @@ import io.github.dsheirer.buffer.INativeBufferProvider;
 import io.github.dsheirer.controller.channel.event.ChannelStopProcessingRequest;
 import io.github.dsheirer.dsp.filter.design.FilterDesignException;
 import io.github.dsheirer.eventbus.MyEventBus;
+import io.github.dsheirer.log.LoggingSuppressor;
 import io.github.dsheirer.sample.Broadcaster;
 import io.github.dsheirer.sample.Listener;
 import io.github.dsheirer.sample.complex.InterleavedComplexSamples;
@@ -65,6 +66,7 @@ import org.slf4j.LoggerFactory;
 public class PolyphaseChannelManager implements ISourceEventProcessor
 {
     private static final DecimalFormat FREQUENCY_FORMAT = new DecimalFormat("0.00000");
+    private static final LoggingSuppressor LOGGING_SUPPRESSOR = new LoggingSuppressor(LoggerFactory.getLogger(PolyphaseChannelManager.class));
     private final static Logger mLog = LoggerFactory.getLogger(PolyphaseChannelManager.class);
     private static final double MINIMUM_CHANNEL_BANDWIDTH = 25000.0;
     private static final double CHANNEL_OVERSAMPLING = 2.0;
@@ -203,7 +205,8 @@ public class PolyphaseChannelManager implements ISourceEventProcessor
             }
             catch(IllegalArgumentException iae)
             {
-                mLog.debug("Couldn't design final output low pass filter for polyphase channel source");
+                LOGGING_SUPPRESSOR.error(iae.getMessage(), 3, "Couldn't allocate channel. " + iae.getMessage());
+                channelSource = null;
             }
         }
 

src/main/java/io/github/dsheirer/edac/BPTC_16_2.java

@@ -0,0 +1,125 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.edac;
+
+import io.github.dsheirer.bits.BinaryMessage;
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+
+/**
+ * Block Product Turbo Code 16/2 for decoding a DMR Voice Frame F payload from the 32-bit EMB field.
+ * <p>
+ * See ETSI TS 102 361-1 B.2.2.1 and B.2.2.2
+ */
+public class BPTC_16_2
+{
+    private static final int[] DEINTERLEAVE = new int[]{0, 24, 1, 25, 2, 26, 3, 27, 4, 28, 5, 29, 6, 30, 7, 31, 8, 16,
+            9, 17, 10, 18, 11, 19, 12, 20, 13, 21, 14, 22, 15, 23};
+
+    /**
+     * Unscramble and perform FEC checks per paragraph B.2.2.1 for Non-Reverse Channel Single Burst
+     *
+     * @param message with 32 interleaved bits.
+     * @return descrambled and error checked message or null if the process fails or there are too many errors.
+     */
+    public static CorrectedBinaryMessage decodeShortBurst(CorrectedBinaryMessage message)
+    {
+        CorrectedBinaryMessage deinterleaved = deinterleave(message);
+        int fec = Hamming16.checkAndCorrect(deinterleaved, 0);
+
+        if(fec == 2) //0 or 1 is good, 2 = uncorrectable errors
+        {
+            return null;
+        }
+
+        //Check for even parity.  Bits 0-15 should be the same as bits 16-31.
+        for(int x = 0; x < 16; x++)
+        {
+            if(deinterleaved.get(x) ^ deinterleaved.get(x + 16))
+            {
+                return null;
+            }
+        }
+
+        return deinterleaved;
+    }
+
+    /**
+     * Unscramble and perform FEC checks per paragraph B.2.2.2 for Reverse Channel Single Burst
+     *
+     * @param binaryMessage with 32 interleaved bits.
+     * @return descrambled and error checked message or null if the process fails or there are too many errors.
+     */
+    public static CorrectedBinaryMessage decodeReverseChannel(CorrectedBinaryMessage message)
+    {
+        CorrectedBinaryMessage deinterleaved = deinterleave(message);
+        System.out.println(" DEINTER: " + deinterleaved.toHexString());
+        int fec = Hamming16.checkAndCorrect(deinterleaved, 0);
+        System.out.println(" DECODED: " + deinterleaved.toHexString());
+        System.out.println("FEC:" + fec);
+        if(fec == 2) //0 or 1 is good, 2 = uncorrectable errors
+        {
+            return null;
+        }
+
+        //Check for odd parity.  Bits 0-15 should be opposite of bits 16-31.
+        for(int x = 0; x < 16; x++)
+        {
+            if(deinterleaved.get(x) == deinterleaved.get(x + 16))
+            {
+                return null;
+            }
+        }
+
+        return deinterleaved;
+    }
+
+    /**
+     * Performs deinterleave of the interleaved message.
+     *
+     * @param original to deinterleave
+     * @return deinterleaved message
+     */
+    public static CorrectedBinaryMessage deinterleave(CorrectedBinaryMessage original)
+    {
+        CorrectedBinaryMessage delinterleaved = new CorrectedBinaryMessage(32);
+        for(int x = 0; x < 32; x++)
+        {
+            if(original.get(x))
+            {
+                delinterleaved.set(DEINTERLEAVE[x]);
+            }
+        }
+
+        return delinterleaved;
+    }
+
+    public static void main(String[] args)
+    {
+        String[] msgs = new String[]{"05030A03", "35003A00", "1C6D2C9E"};
+
+        for(String msg : msgs)
+        {
+            CorrectedBinaryMessage original = new CorrectedBinaryMessage(BinaryMessage.loadHex(msg));
+            System.out.println("ORIGINAL: " + original.toHexString());
+            CorrectedBinaryMessage decoded = decodeReverseChannel(original);
+            System.out.println("-------------------------");
+        }
+    }
+}

src/main/java/io/github/dsheirer/edac/CRCUtil.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -226,17 +226,19 @@ public class CRCUtil
     {
         mLog.debug("Starting");
 
-        //DMR message
-//        String raw = "100110010001000000001001000000001111011011010000011001010000000000000000000000001100001000001011";
-        String raw = "101010000000000000110110100000101101011011010000011001111100000000000011100101001001111010001110";
-        mLog.debug(raw);
-        raw = "101010000000000000110110100000101101011011010000011001111100000000000011100101000000000000000000";
-        BinaryMessage message = BinaryMessage.load(raw);
-        mLog.debug(message.toString());
+        long poly = 0x13l;
+        long[] checksums = generate(32, 4, poly, 0, true);
 
-        long polynomial = 0x11021l;
-        decode(message, 0, 80, polynomial, 16);
-        mLog.debug(message.toString());
-        mLog.debug("Finished");
+        StringBuilder sb = new StringBuilder();
+        sb.append("private static int[] CHECKSUMS = new int[]{");
+        for(long checksum: checksums)
+        {
+            sb.append("0x").append(Long.toHexString(checksum).toUpperCase());
+            sb.append(",");
+        }
+
+        sb.append("};");
+
+        System.out.println("Checksums:\n" + sb);
     }
 }

src/main/java/io/github/dsheirer/edac/Golay24.java

@@ -1,3 +1,22 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.edac;
 
 import io.github.dsheirer.bits.BinaryMessage;
@@ -5,27 +24,6 @@ import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-/*******************************************************************************
- *     SDR Trunk 
- *     Copyright (C) 2014 Dennis Sheirer
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>
- *     -----------------------------------------------------------------------
- *     Galois24 decoder based on Hank Wallace's tutorial/algorithm located at:
- *     http://www.aqdi.com/golay.htm
- ******************************************************************************/
-
 /**
  * Galois 24/12/7 decoder
  */
@@ -160,4 +158,17 @@ public class Golay24
 
         return (checksum ^ calculated);
     }
+
+    public static void main(String[] args)
+    {
+//        CorrectedBinaryMessage bm = new CorrectedBinaryMessage(BinaryMessage.loadHex("F3BB20"));
+//        CorrectedBinaryMessage bm = new CorrectedBinaryMessage(BinaryMessage.loadHex("F0C5C0"));
+        CorrectedBinaryMessage bm = new CorrectedBinaryMessage(BinaryMessage.loadHex("AFAC00"));
+
+        System.out.println("M:" + bm.toHexString());
+        int a = Golay24.checkAndCorrect(bm, 0);
+        System.out.println("M:" + bm.toHexString());
+
+        System.out.println("A:" + a);
+    }
 }

src/main/java/io/github/dsheirer/gui/control/JFrequencyControl.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,22 +22,9 @@ import io.github.dsheirer.source.ISourceEventProcessor;
 import io.github.dsheirer.source.InvalidFrequencyException;
 import io.github.dsheirer.source.SourceEvent;
 import io.github.dsheirer.source.SourceException;
-import net.miginfocom.swing.MigLayout;
-import org.apache.commons.math3.util.FastMath;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.swing.JLabel;
-import javax.swing.JOptionPane;
-import javax.swing.JPanel;
-import javax.swing.JTextField;
 import java.awt.Color;
-import java.awt.Cursor;
 import java.awt.EventQueue;
 import java.awt.Font;
-import java.awt.Image;
-import java.awt.Point;
-import java.awt.Toolkit;
 import java.awt.event.KeyEvent;
 import java.awt.event.KeyListener;
 import java.awt.event.MouseEvent;
@@ -49,27 +36,39 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
+import net.miginfocom.swing.MigLayout;
+import org.apache.commons.math3.util.FastMath;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+
+/**
+ * Custom frequency controller for displaying or editing frequency values in MHz.
+ */
 public class JFrequencyControl extends JPanel implements ISourceEventProcessor
 {
     private static final long serialVersionUID = 1L;
     private final static Logger mLog = LoggerFactory.getLogger(JFrequencyControl.class);
-
     private List<ISourceEventProcessor> mProcessors = new ArrayList<>();
-
     private Color mHighlightColor = Color.YELLOW;
-
     private long mFrequency;
-
-    private Cursor mBlankCursor;
-
     private HashMap<Integer,Digit> mDigits = new HashMap<Integer,Digit>();
 
+    /**
+     * Constructor
+     */
     public JFrequencyControl()
     {
         init();
     }
 
+    /**
+     * Initializes the control/layout.
+     */
     private void init()
     {
         setLayout(new MigLayout("insets 0 0 0 0", "[]0[]", ""));
@@ -104,19 +103,13 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
             }
         }
 
-        /**
-         * Create a blank cursor to use when the mouse is over the digits
-         */
-        //Create an empty byte array
-        byte[] imageByte = new byte[0];
-
-        //Create image for cursor using empty array
-        Image cursorImage = Toolkit.getDefaultToolkit().createImage(imageByte);
-
-        mBlankCursor = Toolkit.getDefaultToolkit().createCustomCursor(cursorImage, new Point(0, 0), "cursor");
         revalidate();
     }
 
+    /**
+     * Enables or disables the control.
+     * @param enabled true if this component should be enabled, false otherwise
+     */
     @Override
     public void setEnabled(boolean enabled)
     {
@@ -157,11 +150,18 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
         }
     }
 
+    /**
+     * Current frequency value for the control.
+     * @return frequency
+     */
     public long getFrequency()
     {
         return mFrequency;
     }
 
+    /**
+     * Updates the frequency value according to the manually changed digit value.
+     */
     private void updateFrequency()
     {
         long frequency = 0;
@@ -174,14 +174,15 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
         mFrequency = frequency;
     }
 
+    /**
+     * Fires a source changed event
+     * @throws SourceException of there's an error
+     */
     private void fireSourceChanged() throws SourceException
     {
         updateFrequency();
-
         Iterator<ISourceEventProcessor> it = mProcessors.iterator();
-
         SourceEvent event = SourceEvent.frequencyRequest(mFrequency);
-
         while(it.hasNext())
         {
             it.next().process(event);
@@ -217,12 +218,21 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
         mProcessors.remove(processor);
     }
 
+    /**
+     * Custom single digit value editor.
+     */
     public class Digit extends JTextField
     {
         private static final long serialVersionUID = 1L;
         private int mPower = 0;
         private long mValue = 0;
 
+        /**
+         * Constructor
+         * @param position of the digit where a position of 1 is the ones unit of MHz and a position of -1 is the tenths
+         * unit of MHz.
+         * @throws ParseException if there is an error
+         */
         private Digit(int position) throws ParseException
         {
             super("0");
@@ -236,6 +246,11 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
             this.addMouseWheelListener(listener);
         }
 
+        /**
+         * Generates a custom tooltip for the current hover-over digit.
+         * @param power of the digit in units of 10
+         * @return custom tooptip.
+         */
         private static String getTooltip(int power)
         {
             StringBuilder sb = new StringBuilder();
@@ -288,23 +303,32 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
         {
             //Strip the digits higher than this one
             long lower = frequency % (long)(FastMath.pow(10, mPower + 1));
-
             //Set the value to int value of dividing by 10 to this power
             long value = (long)(lower / (long)(FastMath.pow(10, mPower)));
-
             set(value, fireChangeEvent);
         }
 
+        /**
+         * Frequency value.
+         * @return frequency value.
+         */
         public long getFrequency()
         {
             return mValue * (long)FastMath.pow(10, mPower);
         }
 
+        /**
+         * Increments the unit value and fires a change event
+         */
         public void increment()
         {
             increment(true);
         }
 
+        /**
+         * Increments the unit value and fires a change event
+         * @param fireChangeEvent true to fire an event
+         */
         public void increment(boolean fireChangeEvent)
         {
             if(isEnabled())
@@ -313,11 +337,18 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
             }
         }
 
+        /**
+         * Decrements the unit value and fires a change event.
+         */
         public void decrement()
         {
             decrement(true);
         }
 
+        /**
+         * Decrements the unit value and optionally fires a change event.
+         * @param fireChangeEvent set to true to fire an event
+         */
         public void decrement(boolean fireChangeEvent)
         {
             if(isEnabled())
@@ -349,7 +380,6 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
             while(mValue < 0)
             {
                 mValue += 10;
-
                 Digit nextHigherDigit = mDigits.get(mPower + 1);
 
                 if(nextHigherDigit != null)
@@ -363,7 +393,6 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
             while(mValue > 9)
             {
                 mValue -= 10;
-
                 Digit nextHigherDigit = mDigits.get(mPower + 1);
 
                 if(nextHigherDigit != null)
@@ -403,10 +432,8 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
                         }
                     }
 
-                    if(se instanceof InvalidFrequencyException)
+                    if(se instanceof InvalidFrequencyException ife)
                     {
-                        InvalidFrequencyException ife = (InvalidFrequencyException)se;
-
                         JOptionPane.showMessageDialog(this, "Frequency [" + ife.getInvalidFrequency() +
                             "] exceeds the frequency limit [" + ife.getValidFrequency() + "] for this tuner.");
                     }
@@ -415,13 +442,13 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
 
 
             setText(String.valueOf(mValue));
-
             repaint();
         }
 
-        private class Listener implements KeyListener,
-            MouseListener,
-            MouseWheelListener
+        /**
+         * Multiple Listener interface implementation
+         */
+        private class Listener implements KeyListener, MouseListener, MouseWheelListener
         {
             @Override
             public void keyReleased(KeyEvent e)
@@ -503,14 +530,9 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
             }
 
             @Override
-            public void keyPressed(KeyEvent e)
-            {
-            }
-
+            public void keyPressed(KeyEvent e) {}
             @Override
-            public void keyTyped(KeyEvent e)
-            {
-            }
+            public void keyTyped(KeyEvent e) {}
 
             @Override
             public void mouseClicked(MouseEvent e)
@@ -528,21 +550,13 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
                 }
             }
 
-            public void mousePressed(MouseEvent e)
-            {
-            }
-
-            public void mouseReleased(MouseEvent e)
-            {
-            }
+            public void mousePressed(MouseEvent e) {}
+            public void mouseReleased(MouseEvent e) {}
 
             @Override
             public void mouseEntered(MouseEvent e)
             {
                 Digit.this.setBackground(mHighlightColor);
-
-                setCursor(mBlankCursor);
-
                 repaint();
             }
 
@@ -550,9 +564,6 @@ public class JFrequencyControl extends JPanel implements ISourceEventProcessor
             public void mouseExited(MouseEvent e)
             {
                 Digit.this.setBackground(Color.WHITE);
-
-                setCursor(Cursor.getDefaultCursor());
-
                 repaint();
             }
 

src/main/java/io/github/dsheirer/gui/dmr/DMRRecordingViewer.java

@@ -459,6 +459,12 @@ public class DMRRecordingViewer extends VBox
         if(mFindText == null)
         {
             mFindText = new TextField();
+            mFindText.setOnKeyPressed(event -> {
+                if(event.getCode().equals(KeyCode.ENTER))
+                {
+                    getFindButton().fire();
+                }
+            });
             mFindText.textProperty().addListener((observable, oldValue, newValue) -> updateFilters());
         }
 

src/main/java/io/github/dsheirer/gui/playlist/alias/AliasItemEditor.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2020 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.gui.playlist.alias;
@@ -37,6 +34,7 @@ import io.github.dsheirer.alias.action.script.ScriptAction;
 import io.github.dsheirer.alias.id.AliasID;
 import io.github.dsheirer.alias.id.AliasIDType;
 import io.github.dsheirer.alias.id.broadcast.BroadcastChannel;
+import io.github.dsheirer.alias.id.dcs.Dcs;
 import io.github.dsheirer.alias.id.esn.Esn;
 import io.github.dsheirer.alias.id.lojack.LoJackFunctionAndID;
 import io.github.dsheirer.alias.id.radio.Radio;
@@ -63,6 +61,11 @@ import io.github.dsheirer.preference.PreferenceType;
 import io.github.dsheirer.preference.UserPreferences;
 import io.github.dsheirer.preference.identifier.IntegerFormat;
 import io.github.dsheirer.protocol.Protocol;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
 import javafx.application.Platform;
 import javafx.beans.binding.Bindings;
 import javafx.beans.value.ChangeListener;
@@ -106,12 +109,6 @@ import org.controlsfx.control.ToggleSwitch;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.Set;
-
 /**
  * Editor for configuring individual aliases
  */
@@ -717,6 +714,7 @@ public class AliasItemEditor extends Editor<Alias>
             Menu nbfmMenu = new ProtocolMenu(Protocol.NBFM);
             nbfmMenu.getItems().add(new AddTalkgroupItem(Protocol.NBFM));
             nbfmMenu.getItems().add(new AddTalkgroupRangeItem(Protocol.NBFM));
+            nbfmMenu.getItems().add(new AddDcsItem());
 
             Menu passportMenu = new ProtocolMenu(Protocol.PASSPORT);
             passportMenu.getItems().add(new AddTalkgroupItem(Protocol.PASSPORT));
@@ -1281,6 +1279,24 @@ public class AliasItemEditor extends Editor<Alias>
         }
     }
 
+    /**
+     * Add Digital Coded Squelch (DCS) alias identifier menu item
+     */
+    public class AddDcsItem extends MenuItem
+    {
+        public AddDcsItem()
+        {
+            super("Digital Coded Squelch (DCS)");
+            setOnAction(event -> {
+                Dcs dcs = new Dcs();
+                getIdentifiersList().getItems().add(dcs);
+                getIdentifiersList().getSelectionModel().select(dcs);
+                getIdentifiersList().scrollTo(dcs);
+                modifiedProperty().set(true);
+            });
+        }
+    }
+
     /**
      * Menu Item for adding a new protocol-specific Radio ID alias identifier
      */

src/main/java/io/github/dsheirer/gui/playlist/alias/identifier/DcsEditor.java

@@ -0,0 +1,98 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.gui.playlist.alias.identifier;
+
+import io.github.dsheirer.alias.id.dcs.Dcs;
+import io.github.dsheirer.module.decode.dcs.DCSCode;
+import javafx.scene.control.ComboBox;
+import javafx.scene.control.Label;
+import javafx.scene.layout.GridPane;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Editor for Digital Coded Squelch (DCS) alias identifiers
+ */
+public class DcsEditor extends IdentifierEditor<Dcs>
+{
+    private static final Logger mLog = LoggerFactory.getLogger(DcsEditor.class);
+    private ComboBox<DCSCode> mDCSCodeComboBox;
+
+    /**
+     * Constructs an instance
+     */
+    public DcsEditor()
+    {
+        GridPane gridPane = new GridPane();
+        gridPane.setHgap(5);
+
+        Label typeLabel = new Label("DCS Code");
+        GridPane.setConstraints(typeLabel, 0, 0);
+        gridPane.getChildren().add(typeLabel);
+
+        GridPane.setConstraints(getDCSCodeComboBox(), 1, 0);
+        gridPane.getChildren().add(getDCSCodeComboBox());
+
+        getChildren().add(gridPane);
+    }
+
+    @Override
+    public void setItem(Dcs item)
+    {
+        super.setItem(item);
+        if(item.isValid())
+        {
+            getDCSCodeComboBox().getSelectionModel().select(item.getDCSCode());
+        }
+        modifiedProperty().set(false);
+    }
+
+    @Override
+    public void save()
+    {
+        //no-op
+    }
+
+    @Override
+    public void dispose()
+    {
+        //no-op
+    }
+
+    /**
+     * Combo-box loaded with DCS codes
+     * @return
+     */
+    private ComboBox<DCSCode> getDCSCodeComboBox()
+    {
+        if(mDCSCodeComboBox == null)
+        {
+            mDCSCodeComboBox = new ComboBox<>();
+            mDCSCodeComboBox.getItems().addAll(DCSCode.STANDARD_CODES);
+            mDCSCodeComboBox.getItems().addAll(DCSCode.INVERTED_CODES);
+            mDCSCodeComboBox.valueProperty().addListener((observable, oldValue, newValue) -> {
+                getItem().setDCSCode(getDCSCodeComboBox().getSelectionModel().getSelectedItem());
+                modifiedProperty().set(true);
+            });
+        }
+
+        return mDCSCodeComboBox;
+    }
+}

src/main/java/io/github/dsheirer/gui/playlist/alias/identifier/IdentifierEditorFactory.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -35,6 +35,8 @@ public class IdentifierEditorFactory
     {
         switch(type)
         {
+            case DCS:
+                return new DcsEditor();
             case ESN:
                 return new EsnEditor();
             case LOJACK:

src/main/java/io/github/dsheirer/gui/playlist/channel/DMRConfigurationEditor.java

@@ -85,7 +85,7 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
     private ToggleSwitch mUseCompressedTalkgroupsToggle;
     private Spinner<Integer> mTrafficChannelPoolSizeSpinner;
     private TableView<TimeslotFrequency> mTimeslotFrequencyTable;
-    private IntegerTextField mLogicalSlotNumberField;
+    private IntegerTextField mLogicalChannelNumberField;
     private FrequencyField mDownlinkFrequencyField;
 //    private FrequencyField mUplinkFrequencyField;
     private Button mAddTimeslotFrequencyButton;
@@ -172,7 +172,7 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
             GridPane.setConstraints(useCompressedTalkgroupsLabel, 7, row);
             gridPane.getChildren().add(useCompressedTalkgroupsLabel);
 
-            Label timeslotTableLabel = new Label("Logical Slot Number (LSN) to Frequency Map. Required for: Connect Plus and Tier-III systems that don't use absolute frequencies");
+            Label timeslotTableLabel = new Label("Logical Channel Number (LCN) to Frequency Map. Required for: Connect Plus and Tier-III systems that don't use absolute frequencies.  LSN = Logical Slot Number");
             GridPane.setHalignment(timeslotTableLabel, HPos.LEFT);
             GridPane.setConstraints(timeslotTableLabel, 0, ++row, 6, 1);
             gridPane.getChildren().add(timeslotTableLabel);
@@ -194,17 +194,13 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
             editorBox.setAlignment(Pos.CENTER_LEFT);
             editorBox.setSpacing(5);
 
-            Label lsnLabel = new Label("LSN");
-            editorBox.getChildren().addAll(lsnLabel,getLogicalSlotNumberField());
+            Label lcnLabel = new Label("LCN");
+            editorBox.getChildren().addAll(lcnLabel, getLogicalChannelNumberField());
 
             Label downlinkLabel = new Label("Frequency (MHz)");
             downlinkLabel.setPadding(new Insets(0,0,0,5));
             editorBox.getChildren().addAll(downlinkLabel,getDownlinkFrequencyField());
 
-//            Label uplinkLabel = new Label("Uplink");
-//            uplinkLabel.setPadding(new Insets(0,0,0,5));
-//            editorBox.getChildren().addAll(uplinkLabel,getUplinkFrequencyField());
-
             GridPane.setConstraints(editorBox, 0, row, 4, 1);
             gridPane.getChildren().add(editorBox);
 
@@ -287,20 +283,22 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
             mTimeslotFrequencyTable = new TableView<>(FXCollections.observableArrayList(TimeslotFrequency.extractor()));
             mTimeslotFrequencyTable.setPrefHeight(100.0);
 
-            TableColumn<TimeslotFrequency,Number> numberColumn = new TableColumn("LSN");
-            numberColumn.setPrefWidth(70);
+            TableColumn<TimeslotFrequency,Number> numberColumn = new TableColumn("LCN");
+            numberColumn.setPrefWidth(75);
             numberColumn.setCellValueFactory(cellData -> cellData.getValue().getNumberProperty());
             mTimeslotFrequencyTable.getColumns().addAll(numberColumn);
             mTimeslotFrequencyTable.getSortOrder().add(numberColumn);
 
             TableColumn<TimeslotFrequency,Number> downlinkColumn = new TableColumn("Frequency (MHz)");
             downlinkColumn.setCellValueFactory(cellData -> cellData.getValue().getDownlinkMHz());
-            downlinkColumn.setPrefWidth(175);
+            downlinkColumn.setPrefWidth(150);
             mTimeslotFrequencyTable.getColumns().addAll(downlinkColumn);
 
-//            TableColumn<TimeslotFrequency,Number> uplinkColumn = new TableColumn("Uplink (MHz)");
-//            uplinkColumn.setCellValueFactory(cellData -> cellData.getValue().getUplinkMHz());
-//            mTimeslotFrequencyTable.getColumns().addAll(uplinkColumn);
+            TableColumn<TimeslotFrequency,String> lsnColumn = new TableColumn("IDs (TS1/TS2)");
+            lsnColumn.setPrefWidth(225);
+            lsnColumn.setCellValueFactory(new PropertyValueFactory<>("logicalSlotNumbers"));
+            mTimeslotFrequencyTable.getColumns().addAll(lsnColumn);
+
 
             mTimeslotFrequencyTable.getSelectionModel().selectedItemProperty()
                 .addListener((observable, oldValue, newValue) -> setTimeslot(newValue));
@@ -317,20 +315,20 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
         //Preserve the current modified flag state since setting values in the editor will change it.
         boolean modified = modifiedProperty().get();
 
-        getLogicalSlotNumberField().setDisable(timeslot == null);
+        getLogicalChannelNumberField().setDisable(timeslot == null);
         getDownlinkFrequencyField().setDisable(timeslot == null);
 //        getUplinkFrequencyField().setDisable(timeslot == null);
         getDeleteTimeslotFrequencyButton().setDisable(timeslot == null);
 
         if(timeslot != null)
         {
-            getLogicalSlotNumberField().set(timeslot.getNumber());
+            getLogicalChannelNumberField().set(timeslot.getNumber());
             getDownlinkFrequencyField().set(timeslot.getDownlinkFrequency());
 //            getUplinkFrequencyField().set(timeslot.getUplinkFrequency());
         }
         else
         {
-            getLogicalSlotNumberField().set(0);
+            getLogicalChannelNumberField().set(0);
             getDownlinkFrequencyField().set(0);
 //            getUplinkFrequencyField().set(0);
         }
@@ -412,19 +410,19 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
         return mDeleteTimeslotFrequencyButton;
     }
 
-    private IntegerTextField getLogicalSlotNumberField()
+    private IntegerTextField getLogicalChannelNumberField()
     {
-        if(mLogicalSlotNumberField == null)
+        if(mLogicalChannelNumberField == null)
         {
-            mLogicalSlotNumberField = new IntegerTextField();
-            mLogicalSlotNumberField.setDisable(true);
-            mLogicalSlotNumberField.setPrefWidth(65);
-            mLogicalSlotNumberField.textProperty().addListener((observable, oldValue, newValue) -> {
+            mLogicalChannelNumberField = new IntegerTextField();
+            mLogicalChannelNumberField.setDisable(true);
+            mLogicalChannelNumberField.setPrefWidth(65);
+            mLogicalChannelNumberField.textProperty().addListener((observable, oldValue, newValue) -> {
                 TimeslotFrequency selected = getTimeslotTable().getSelectionModel().getSelectedItem();
 
                 if(selected != null)
                 {
-                    Integer value = mLogicalSlotNumberField.get();
+                    Integer value = mLogicalChannelNumberField.get();
 
                     if(value != null)
                     {
@@ -436,7 +434,7 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
             });
         }
 
-        return mLogicalSlotNumberField;
+        return mLogicalChannelNumberField;
     }
 
     private FrequencyField getDownlinkFrequencyField()
@@ -610,8 +608,8 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
         getTimeslotTable().setDisable(config == null);
         getAddTimeslotFrequencyButton().setDisable(config == null);
         getDeleteTimeslotFrequencyButton().setDisable(true);
-        getLogicalSlotNumberField().set(0);
-        getLogicalSlotNumberField().setDisable(true);
+        getLogicalChannelNumberField().set(0);
+        getLogicalChannelNumberField().setDisable(true);
         getDownlinkFrequencyField().set(0);
         getDownlinkFrequencyField().setDisable(true);
 //        getUplinkFrequencyField().set(0);

src/main/java/io/github/dsheirer/gui/playlist/radioreference/RadioReferenceDecoder.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -41,13 +41,12 @@ import io.github.dsheirer.rrapi.type.Tag;
 import io.github.dsheirer.rrapi.type.Talkgroup;
 import io.github.dsheirer.rrapi.type.Type;
 import io.github.dsheirer.rrapi.type.Voice;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Utility class for decoding type, flavor and voice for systems and formatting talkgroups according to user preferences.
@@ -374,16 +373,10 @@ public class RadioReferenceDecoder
                     }
                 }
 
-                int lsn = (lcn - 1) * 2 + 1;
-                TimeslotFrequency timeslot1Frequency = new TimeslotFrequency();
-                timeslot1Frequency.setNumber(lsn);
-                timeslot1Frequency.setDownlinkFrequency((long)(siteFrequency.getFrequency() * 1E6));
-                frequencies.add(timeslot1Frequency);
-
-                TimeslotFrequency timeslot2Frequency = new TimeslotFrequency();
-                timeslot2Frequency.setNumber(lsn + 1);
-                timeslot2Frequency.setDownlinkFrequency((long)(siteFrequency.getFrequency() * 1E6));
-                frequencies.add(timeslot2Frequency);
+                TimeslotFrequency timeslotFrequency = new TimeslotFrequency();
+                timeslotFrequency.setNumber(lcn);
+                timeslotFrequency.setDownlinkFrequency((long)(siteFrequency.getFrequency() * 1E6));
+                frequencies.add(timeslotFrequency);
             }
 
             return frequencies;

src/main/java/io/github/dsheirer/identifier/Form.java

@@ -32,6 +32,7 @@ public enum Form
     CHANNEL_DESCRIPTOR,
     CHANNEL_NAME,
     CHANNEL_FREQUENCY,
+    DCS,
     DECODER_TYPE,
     DTMF,
     ENCRYPTION_KEY,

src/main/java/io/github/dsheirer/module/decode/dcs/DCSCode.java

@@ -213,7 +213,12 @@ public enum DCSCode
     /**
      * Inverted DCS codes
      */
-    private static final EnumSet<DCSCode> INVERTED_CODES = EnumSet.range(I023, I754);
+    public static final EnumSet<DCSCode> INVERTED_CODES = EnumSet.range(I023, I754);
+
+    /**
+     * Standard DCS codes
+     */
+    public static final EnumSet<DCSCode> STANDARD_CODES = EnumSet.range(N023,N754);
 
     /**
      * Lookup map for quickly finding a DCS code from the transmitted value.

src/main/java/io/github/dsheirer/module/decode/dcs/DCSMessage.java

@@ -47,7 +47,7 @@ public class DCSMessage extends Message
     @Override
     public String toString()
     {
-        return "Digital Coded Squelch (DCS) Detected: " + mDCSCode.name();
+        return "Digital Coded Squelch (DCS) Detected: " + mDCSCode.toString();
     }
 
     /**

src/main/java/io/github/dsheirer/module/decode/dmr/DMRDecoderState.java

@@ -57,6 +57,7 @@ import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.announcem
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.announcement.VoteNowAdvice;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.grant.ChannelGrant;
 import io.github.dsheirer.module.decode.dmr.message.data.header.HeaderMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.header.hytera.HyteraDataEncryptionHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.LCMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.GPSInformation;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.GroupVoiceChannelUser;
@@ -65,25 +66,33 @@ import io.github.dsheirer.module.decode.dmr.message.data.lc.full.UnitToUnitVoice
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.hytera.HyteraGroupVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.hytera.HyteraUnitToUnitVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola.CapacityPlusEncryptedVoiceChannelUser;
-import io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola.CapacityPlusGroupVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola.CapacityPlusWideAreaVoiceChannelUser;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola.MotorolaGroupVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.shorty.CapacityPlusRestChannel;
 import io.github.dsheirer.module.decode.dmr.message.data.packet.DMRPacketMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.packet.UDTShortMessageService;
 import io.github.dsheirer.module.decode.dmr.message.data.terminator.Terminator;
 import io.github.dsheirer.module.decode.dmr.message.type.ServiceOptions;
+import io.github.dsheirer.module.decode.dmr.message.voice.VoiceEMBMessage;
 import io.github.dsheirer.module.decode.dmr.message.voice.VoiceMessage;
+import io.github.dsheirer.module.decode.dmr.message.voice.embedded.EmbeddedParameters;
+import io.github.dsheirer.module.decode.dmr.message.voice.embedded.EncryptionParameters;
 import io.github.dsheirer.module.decode.event.DecodeEvent;
 import io.github.dsheirer.module.decode.event.DecodeEventType;
 import io.github.dsheirer.module.decode.event.PlottableDecodeEvent;
+import io.github.dsheirer.module.decode.ip.hytera.rrs.HyteraRrsPacket;
 import io.github.dsheirer.module.decode.ip.hytera.sds.HyteraUnknownPacket;
+import io.github.dsheirer.module.decode.ip.hytera.shortdata.HyteraShortDataPacket;
 import io.github.dsheirer.module.decode.ip.hytera.sms.HyteraSmsPacket;
+import io.github.dsheirer.module.decode.ip.mototrbo.ars.ARSPacket;
+import io.github.dsheirer.module.decode.ip.mototrbo.lrrp.LRRPPacket;
+import io.github.dsheirer.module.decode.ip.mototrbo.xcmp.XCMPPacket;
 import io.github.dsheirer.protocol.Protocol;
 import io.github.dsheirer.source.tuner.channel.rotation.AddChannelRotationActiveStateRequest;
 import io.github.dsheirer.util.PacketUtil;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.TreeMap;
 import org.jdesktop.swingx.mapviewer.GeoPosition;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -102,7 +111,7 @@ public class DMRDecoderState extends TimeslotDecoderState
     private DecodeEvent mCurrentCallEvent;
     private long mCurrentFrequency;
     private boolean mIgnoreCRCChecksums;
-    private Map<Integer,DecodeEvent> mDetectedCallEventsMap = new TreeMap<>();
+    private Map<DMRChannel,DecodeEvent> mDetectedCallEventsMap = new HashMap<>();
     private static final AddChannelRotationActiveStateRequest CAPACITY_PLUS_ACTIVE_STATE_REQUEST =
                             new AddChannelRotationActiveStateRequest(State.ACTIVE);
 
@@ -289,7 +298,7 @@ public class DMRDecoderState extends TimeslotDecoderState
         DecodeEvent smsEvent = DMRDecodeEvent.builder(DecodeEventType.SMS, sms.getTimestamp())
                 .details("MESSAGE: " + sms.getSMS())
                 .identifiers(new IdentifierCollection(sms.getIdentifiers()))
-                .timeslot(sms.getTimeslot())
+                .timeslot(getTimeslot())
                 .build();
         broadcast(smsEvent);
     }
@@ -312,11 +321,51 @@ public class DMRDecoderState extends TimeslotDecoderState
 
             DecodeEvent smsEvent = DMRDecodeEvent.builder(DecodeEventType.SMS, packet.getTimestamp())
                     .identifiers(mic)
-                    .timeslot(packet.getTimeslot())
+                    .timeslot(getTimeslot())
                     .details("SMS:" + hyteraSmsPacket.getSMS())
                     .build();
             broadcast(smsEvent);
         }
+        //Hytera Radio Registration Service (RRS)
+        else if(packet.getPacket() instanceof HyteraRrsPacket rrs)
+        {
+            MutableIdentifierCollection mic = new MutableIdentifierCollection(packet.getIdentifiers());
+
+            StringBuilder sb = new StringBuilder();
+            sb.append("HYTERA RRS REGISTER RADIO:");
+            sb.append(rrs.getDestination());
+            DecodeEvent shortDataEvent = DMRDecodeEvent.builder(DecodeEventType.RADIO_REGISTRATION_SERVICE, packet.getTimestamp())
+                    .identifiers(mic)
+                    .timeslot(getTimeslot())
+                    .details(sb.toString())
+                    .build();
+            broadcast(shortDataEvent);
+        }
+        //Hytera Short Data
+        else if(packet.getPacket() instanceof HyteraShortDataPacket hsdp)
+        {
+            MutableIdentifierCollection mic = new MutableIdentifierCollection(packet.getIdentifiers());
+
+            StringBuilder sb = new StringBuilder();
+            sb.append("HYTERA");
+
+            if(hsdp.getPacketSequence().isEncrypted())
+            {
+                HyteraDataEncryptionHeader hdeh = (HyteraDataEncryptionHeader)hsdp.getPacketSequence().getProprietaryDataHeader();
+                sb.append(" ENCRYPTED ALGORITHM:").append(hdeh.getAlgorithm());
+                sb.append(" KEY:").append(hdeh.getKeyId());
+                sb.append(" IV:").append(hdeh.getIV());
+            }
+
+            sb.append(" SHORT DATA:").append(hsdp.getMessage().toHexString());
+
+            DecodeEvent shortDataEvent = DMRDecodeEvent.builder(DecodeEventType.RADIO_REGISTRATION_SERVICE, packet.getTimestamp())
+                    .identifiers(mic)
+                    .timeslot(getTimeslot())
+                    .details(sb.toString())
+                    .build();
+            broadcast(shortDataEvent);
+        }
         //Unknown Hytera Long Data Service Token Message
         else if(packet.getPacket() instanceof HyteraUnknownPacket hyteraUnknownPacket)
         {
@@ -324,16 +373,52 @@ public class DMRDecoderState extends TimeslotDecoderState
 
             DecodeEvent unknownTokenEvent = DMRDecodeEvent.builder(DecodeEventType.UNKNOWN_PACKET, packet.getTimestamp())
                     .identifiers(mic)
-                    .timeslot(packet.getTimeslot())
-                    .details("HYTERA UNK TOKEN MSG:" + hyteraUnknownPacket.getHeader().toString())
+                    .timeslot(getTimeslot())
+                    .details("HYTERA LONG DATA UNK TOKEN MSG:" + hyteraUnknownPacket.getHeader().toString())
                     .build();
             broadcast(unknownTokenEvent);
         }
+        //Motorola ARS
+        else if(packet.getPacket() instanceof ARSPacket ars)
+        {
+            MutableIdentifierCollection mic = new MutableIdentifierCollection(packet.getIdentifiers());
+
+            DecodeEvent shortDataEvent = DMRDecodeEvent.builder(DecodeEventType.RADIO_REGISTRATION_SERVICE, packet.getTimestamp())
+                    .identifiers(mic)
+                    .timeslot(getTimeslot())
+                    .details(ars.toString())
+                    .build();
+            broadcast(shortDataEvent);
+        }
+        //Motorola LRRP
+        else if(packet.getPacket() instanceof LRRPPacket lrrp)
+        {
+            MutableIdentifierCollection mic = new MutableIdentifierCollection(packet.getIdentifiers());
+
+            DecodeEvent shortDataEvent = DMRDecodeEvent.builder(DecodeEventType.LRRP, packet.getTimestamp())
+                    .identifiers(mic)
+                    .timeslot(getTimeslot())
+                    .details(lrrp.toString())
+                    .build();
+            broadcast(shortDataEvent);
+        }
+        //Motorola XCMP
+        else if(packet.getPacket() instanceof XCMPPacket xcmp)
+        {
+            MutableIdentifierCollection mic = new MutableIdentifierCollection(packet.getIdentifiers());
+
+            DecodeEvent shortDataEvent = DMRDecodeEvent.builder(DecodeEventType.XCMP, packet.getTimestamp())
+                    .identifiers(mic)
+                    .timeslot(getTimeslot())
+                    .details(xcmp.toString())
+                    .build();
+            broadcast(shortDataEvent);
+        }
         else
         {
             DecodeEvent packetEvent = DMRDecodeEvent.builder(DecodeEventType.DATA_PACKET, packet.getTimestamp())
-                    .identifiers(getMergedIdentifierCollection(packet.getIdentifiers()))
-                    .timeslot(packet.getTimeslot())
+                    .identifiers(new IdentifierCollection(packet.getIdentifiers()))
+                    .timeslot(getTimeslot())
                     .details(packet.toString())
                     .build();
 
@@ -344,7 +429,7 @@ public class DMRDecoderState extends TimeslotDecoderState
             if (geoPosition != null) {
                 PlottableDecodeEvent plottableDecodeEvent = PlottableDecodeEvent.plottableBuilder(DecodeEventType.GPS, packet.getTimestamp())
                         .channel(getCurrentChannel())
-                        .identifiers(getMergedIdentifierCollection(packet.getIdentifiers()))
+                        .identifiers(new IdentifierCollection(packet.getIdentifiers()))
                         .protocol(Protocol.LRRP)
                         .location(geoPosition)
                         .build();
@@ -370,6 +455,19 @@ public class DMRDecoderState extends TimeslotDecoderState
         {
             broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.CALL, getTimeslot()));
         }
+
+        if(message.getSyncPattern() == DMRSyncPattern.BS_VOICE_FRAME_F && message instanceof VoiceEMBMessage voiceEmb)
+        {
+            if(voiceEmb.hasEmbeddedParameters())
+            {
+                EmbeddedParameters embedded = voiceEmb.getEmbeddedParameters();
+
+                if(embedded.getShortBurst() instanceof EncryptionParameters arc4)
+                {
+                    updateEncryptedCall(arc4, true, voiceEmb.getTimestamp());
+                }
+            }
+        }
     }
 
     /**
@@ -637,21 +735,22 @@ public class DMRDecoderState extends TimeslotDecoderState
                     ChannelGrant dataGrant = (ChannelGrant)csbk;
                     DMRChannel channel = dataGrant.getChannel();
 
-                    IdentifierCollection mergedIdentifiers = getMergedIdentifierCollection(csbk.getIdentifiers());
 
                     if(hasTrafficChannelManager())
                     {
+                        IdentifierCollection mergedIdentifiers = getMergedIdentifierCollection(csbk.getIdentifiers());
                         mTrafficChannelManager.processChannelGrant(channel, mergedIdentifiers, csbk.getOpcode(),
                             csbk.getTimestamp(), csbk.isEncrypted());
                     }
                     else
                     {
-                        DecodeEvent event = mDetectedCallEventsMap.get(channel.getLogicalSlotNumber());
+                        DecodeEvent event = mDetectedCallEventsMap.get(channel);
 
                         if(isStale(event, csbk.getTimestamp(), csbk.getIdentifiers()))
                         {
-                            event = getDecodeEvent(csbk, DecodeEventType.DATA_CALL, channel, mergedIdentifiers);
-                            mDetectedCallEventsMap.put(channel.getLogicalSlotNumber(), event);
+                            event = getDecodeEvent(csbk, DecodeEventType.DATA_CALL, channel,
+                                    new IdentifierCollection(csbk.getIdentifiers()));
+                            mDetectedCallEventsMap.put(channel, event);
                         }
                         else
                         {
@@ -670,21 +769,22 @@ public class DMRDecoderState extends TimeslotDecoderState
                     ChannelGrant tgGrant = (ChannelGrant)csbk;
                     DMRChannel channel = tgGrant.getChannel();
 
-                    IdentifierCollection mergedIdentifiers = getMergedIdentifierCollection(csbk.getIdentifiers());
-
                     if(hasTrafficChannelManager())
                     {
+                        IdentifierCollection mergedIdentifiers = getMergedIdentifierCollection(csbk.getIdentifiers());
+
                         mTrafficChannelManager.processChannelGrant(channel, mergedIdentifiers,
                             csbk.getOpcode(), csbk.getTimestamp(), csbk.isEncrypted());
                     }
                     else
                     {
-                        DecodeEvent event = mDetectedCallEventsMap.get(channel.getLogicalSlotNumber());
+                        DecodeEvent event = mDetectedCallEventsMap.get(channel);
 
                         if(isStale(event, csbk.getTimestamp(), csbk.getIdentifiers()))
                         {
-                            event = getDecodeEvent(csbk, DecodeEventType.CALL_GROUP, channel, mergedIdentifiers);
-                            mDetectedCallEventsMap.put(channel.getLogicalSlotNumber(), event);
+                            event = getDecodeEvent(csbk, DecodeEventType.CALL_GROUP, channel,
+                                    new IdentifierCollection(csbk.getIdentifiers()));
+                            mDetectedCallEventsMap.put(channel, event);
                         }
                         else
                         {
@@ -702,21 +802,23 @@ public class DMRDecoderState extends TimeslotDecoderState
                 {
                     ChannelGrant channelGrant = (ChannelGrant)csbk;
                     DMRChannel channel = channelGrant.getChannel();
-                    IdentifierCollection mergedIdentifiers = getMergedIdentifierCollection(csbk.getIdentifiers());
 
                     if(hasTrafficChannelManager())
                     {
+                        IdentifierCollection mergedIdentifiers = getMergedIdentifierCollection(csbk.getIdentifiers());
+
                         mTrafficChannelManager.processChannelGrant(channel, mergedIdentifiers,
                             csbk.getOpcode(), csbk.getTimestamp(), csbk.isEncrypted());
                     }
                     else
                     {
-                        DecodeEvent event = mDetectedCallEventsMap.get(channel.getLogicalSlotNumber());
+                        DecodeEvent event = mDetectedCallEventsMap.get(channel);
 
                         if(isStale(event, csbk.getTimestamp(), csbk.getIdentifiers()))
                         {
-                            event = getDecodeEvent(csbk, DecodeEventType.CALL_UNIT_TO_UNIT, channel, mergedIdentifiers);
-                            mDetectedCallEventsMap.put(channel.getLogicalSlotNumber(), event);
+                            event = getDecodeEvent(csbk, DecodeEventType.CALL_UNIT_TO_UNIT, channel,
+                                    new IdentifierCollection(csbk.getIdentifiers()));
+                            mDetectedCallEventsMap.put(channel, event);
                         }
                         else
                         {
@@ -747,21 +849,22 @@ public class DMRDecoderState extends TimeslotDecoderState
                     ConnectPlusDataChannelGrant cpdcg = (ConnectPlusDataChannelGrant)csbk;
                     DMRChannel channel = cpdcg.getChannel();
 
-                    IdentifierCollection mergedIdentifiers = getMergedIdentifierCollection(csbk.getIdentifiers());
-
                     if(hasTrafficChannelManager())
                     {
+                        IdentifierCollection mergedIdentifiers = getMergedIdentifierCollection(csbk.getIdentifiers());
+
                         mTrafficChannelManager.processChannelGrant(channel, mergedIdentifiers, csbk.getOpcode(),
                             csbk.getTimestamp(), csbk.isEncrypted());
                     }
                     else
                     {
-                        DecodeEvent event = mDetectedCallEventsMap.get(channel.getLogicalSlotNumber());
+                        DecodeEvent event = mDetectedCallEventsMap.get(channel);
 
                         if(isStale(event, csbk.getTimestamp(), csbk.getIdentifiers()))
                         {
-                            event = getDecodeEvent(csbk, DecodeEventType.DATA_CALL, channel, mergedIdentifiers);
-                            mDetectedCallEventsMap.put(channel.getLogicalSlotNumber(), event);
+                            event = getDecodeEvent(csbk, DecodeEventType.DATA_CALL, channel,
+                                    new IdentifierCollection(csbk.getIdentifiers()));
+                            mDetectedCallEventsMap.put(channel, event);
                         }
                         else
                         {
@@ -777,8 +880,8 @@ public class DMRDecoderState extends TimeslotDecoderState
             case MOTOROLA_CONPLUS_REGISTRATION_REQUEST:
                 DecodeEvent event = DMRDecodeEvent.builder(DecodeEventType.REQUEST, csbk.getTimestamp())
                     .details("Registration Request")
-                    .identifiers(getMergedIdentifierCollection(csbk.getIdentifiers()))
-                    .timeslot(csbk.getTimeslot())
+                    .identifiers(new IdentifierCollection(csbk.getIdentifiers()))
+                    .timeslot(getTimeslot())
                     .build();
                 broadcast(event);
                 broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.CONTROL, getTimeslot()));
@@ -786,8 +889,8 @@ public class DMRDecoderState extends TimeslotDecoderState
             case MOTOROLA_CONPLUS_REGISTRATION_RESPONSE:
                 DecodeEvent regRespEvent = DMRDecodeEvent.builder(DecodeEventType.RESPONSE, csbk.getTimestamp())
                     .details("Registration Response")
-                    .identifiers(getMergedIdentifierCollection(csbk.getIdentifiers()))
-                    .timeslot(csbk.getTimeslot())
+                    .identifiers(new IdentifierCollection(csbk.getIdentifiers()))
+                    .timeslot(getTimeslot())
                     .build();
                 broadcast(regRespEvent);
                 broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.CONTROL, getTimeslot()));
@@ -798,21 +901,22 @@ public class DMRDecoderState extends TimeslotDecoderState
                     ConnectPlusVoiceChannelUser cpvcu = (ConnectPlusVoiceChannelUser)csbk;
                     DMRChannel channel = cpvcu.getChannel();
 
-                    IdentifierCollection mergedIdentifiers = getMergedIdentifierCollection(csbk.getIdentifiers());
-
                     if(hasTrafficChannelManager())
                     {
+                        IdentifierCollection mergedIdentifiers = getMergedIdentifierCollection(csbk.getIdentifiers());
+
                         mTrafficChannelManager.processChannelGrant(channel, mergedIdentifiers, csbk.getOpcode(),
                             csbk.getTimestamp(), csbk.isEncrypted());
                     }
                     else
                     {
-                        DecodeEvent detectedEvent = mDetectedCallEventsMap.get(channel.getLogicalSlotNumber());
+                        DecodeEvent detectedEvent = mDetectedCallEventsMap.get(channel);
 
                         if(isStale(detectedEvent, csbk.getTimestamp(), csbk.getIdentifiers()))
                         {
-                            detectedEvent = getDecodeEvent(csbk, DecodeEventType.CALL_GROUP, channel, mergedIdentifiers);
-                            mDetectedCallEventsMap.put(channel.getLogicalSlotNumber(), detectedEvent);
+                            detectedEvent = getDecodeEvent(csbk, DecodeEventType.CALL_GROUP, channel,
+                                    new IdentifierCollection(csbk.getIdentifiers()));
+                            mDetectedCallEventsMap.put(channel, detectedEvent);
                         }
                         else
                         {
@@ -828,8 +932,8 @@ public class DMRDecoderState extends TimeslotDecoderState
             case MOTOROLA_CONPLUS_TALKGROUP_AFFILIATION:
                 DecodeEvent affiliateEvent = DMRDecodeEvent.builder(DecodeEventType.AFFILIATE, csbk.getTimestamp())
                     .details("TALKGROUP AFFILIATION")
-                    .identifiers(getMergedIdentifierCollection(csbk.getIdentifiers()))
-                    .timeslot(csbk.getTimeslot())
+                    .identifiers(new IdentifierCollection(csbk.getIdentifiers()))
+                    .timeslot(getTimeslot())
                     .build();
                 broadcast(affiliateEvent);
                 broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.CONTROL, getTimeslot()));
@@ -840,19 +944,20 @@ public class DMRDecoderState extends TimeslotDecoderState
         }
     }
 
-    private DecodeEvent getDecodeEvent(CSBKMessage csbk, DecodeEventType decodeEventType, DMRChannel channel, IdentifierCollection mergedIdentifiers) {
+    private DecodeEvent getDecodeEvent(CSBKMessage csbk, DecodeEventType decodeEventType, DMRChannel channel,
+                                       IdentifierCollection identifierCollection) {
         return DMRDecodeEvent.builder(decodeEventType, csbk.getTimestamp())
                 .channel(channel)
                 .details(csbk.getOpcode().getLabel())
-                .identifiers(mergedIdentifiers)
-                .timeslot(channel.getTimeslot())
+                .identifiers(identifierCollection)
+                .timeslot(getTimeslot())
                 .build();
     }
 
     private DecodeEvent getDecodeEvent(CSBKMessage csbk, DecodeEventType decodeEventType, String details) {
         return DMRDecodeEvent.builder(decodeEventType, csbk.getTimestamp())
-                .identifiers(getMergedIdentifierCollection(csbk.getIdentifiers()))
-                .timeslot(csbk.getTimeslot())
+                .identifiers(new IdentifierCollection(csbk.getIdentifiers()))
+                .timeslot(getTimeslot())
                 .details(details)
                 .build();
     }
@@ -955,6 +1060,15 @@ public class DMRDecoderState extends TimeslotDecoderState
     {
         switch(message.getOpcode())
         {
+            case FULL_ENCRYPTION_PARAMETERS:
+                if(message instanceof io.github.dsheirer.module.decode.dmr.message.data.lc.full.EncryptionParameters ep)
+                {
+                    if(mCurrentCallEvent != null)
+                    {
+                        mCurrentCallEvent.setDetails(ep.getDetails());
+                    }
+                }
+                break;
             case SHORT_CAPACITY_PLUS_REST_CHANNEL_NOTIFICATION:
                 if(message instanceof CapacityPlusRestChannel)
                 {
@@ -978,11 +1092,9 @@ public class DMRDecoderState extends TimeslotDecoderState
                     }
                 }
                 break;
-            case FULL_CAPACITY_PLUS_GROUP_VOICE_CHANNEL_USER:
-                if(message instanceof CapacityPlusGroupVoiceChannelUser cpgvcu)
+            case FULL_MOTOROLA_GROUP_VOICE_CHANNEL_USER:
+                if(message instanceof MotorolaGroupVoiceChannelUser cpgvcu)
                 {
-                    updateRestChannel(cpgvcu.getRestChannel());
-
                     if(isTerminator)
                     {
                         getIdentifierCollection().remove(Role.FROM);
@@ -1105,7 +1217,7 @@ public class DMRDecoderState extends TimeslotDecoderState
 
                     DecodeEvent gpsEvent = DMRDecodeEvent.builder(DecodeEventType.GPS, message.getTimestamp())
                         .identifiers(ic)
-                        .timeslot(message.getTimeslot())
+                        .timeslot(getTimeslot())
                         .details("LOCATION:" + gpsInformation.getGPSLocation())
                         .build();
 
@@ -1121,6 +1233,41 @@ public class DMRDecoderState extends TimeslotDecoderState
         }
     }
 
+    /**
+     * Updates the current call with encryption information.
+     * @param encryptionParameters decoded from the Voice Frame F
+     * @param isGroup true for group or false for individual call.
+     */
+    private void updateEncryptedCall(EncryptionParameters encryptionParameters, boolean isGroup, long timestamp)
+    {
+        if(mCurrentCallEvent != null)
+        {
+            String details = mCurrentCallEvent.getDetails();;
+
+            if(details == null)
+            {
+                details = encryptionParameters.toString();
+            }
+            else if(!details.contains(encryptionParameters.toString()) && !details.contains("ENCRYPTION"))
+            {
+                details += " " + encryptionParameters;
+            }
+
+            mCurrentCallEvent.setDetails(details);
+        }
+        else
+        {
+            mCurrentCallEvent = DMRDecodeEvent.builder(isGroup ? DecodeEventType.CALL_GROUP_ENCRYPTED :
+                            DecodeEventType.CALL_ENCRYPTED, timestamp)
+                    .channel(getCurrentChannel())
+                    .details(encryptionParameters.toString())
+                    .identifiers(getIdentifierCollection().copyOf())
+                    .timeslot(getTimeslot())
+                    .build();
+            broadcast(mCurrentCallEvent);
+        }
+    }
+
     /**
      * Updates or creates a current call event.
      *
@@ -1138,13 +1285,14 @@ public class DMRDecoderState extends TimeslotDecoderState
                 .channel(getCurrentChannel())
                 .details(details)
                 .identifiers(getIdentifierCollection().copyOf())
+                .timeslot(getTimeslot())
                 .build();
 
             broadcast(mCurrentCallEvent);
         }
         else
         {
-            if(type != DecodeEventType.CALL)
+            if(mCurrentCallEvent.getDetails() == null)
             {
                 mCurrentCallEvent.setDetails(details);
             }

src/main/java/io/github/dsheirer/module/decode/dmr/DMRMessageProcessor.java

@@ -44,6 +44,8 @@ import io.github.dsheirer.module.decode.dmr.message.data.mbc.MBCContinuationBloc
 import io.github.dsheirer.module.decode.dmr.message.data.packet.PacketSequenceAssembler;
 import io.github.dsheirer.module.decode.dmr.message.data.terminator.Terminator;
 import io.github.dsheirer.module.decode.dmr.message.voice.VoiceEMBMessage;
+import io.github.dsheirer.module.decode.dmr.message.voice.VoiceMessage;
+import io.github.dsheirer.module.decode.dmr.message.voice.VoiceSuperFrameProcessor;
 import io.github.dsheirer.sample.Listener;
 import java.util.ArrayList;
 import java.util.List;
@@ -59,6 +61,8 @@ public class DMRMessageProcessor implements Listener<IMessage>
 {
     private final static Logger mLog = LoggerFactory.getLogger(DMRMessageProcessor.class);
     private DecodeConfigDMR mConfigDMR;
+    private VoiceSuperFrameProcessor mSuperFrameProcessor1 = new VoiceSuperFrameProcessor();
+    private VoiceSuperFrameProcessor mSuperFrameProcessor2 = new VoiceSuperFrameProcessor();
     private FLCAssembler mFLCAssemblerTimeslot1 = new FLCAssembler(1);
     private FLCAssembler mFLCAssemblerTimeslot2 = new FLCAssembler(2);
     private MBCAssembler mMBCAssembler = new MBCAssembler();
@@ -89,19 +93,53 @@ public class DMRMessageProcessor implements Listener<IMessage>
     @Override
     public void receive(IMessage message)
     {
-        //Enrich messages that carry DMR Logical Slot Number channels with LCN to frequency mappings
+        if(message instanceof FullLCMessage flc)
+        {
+            if(flc.getTimeslot() == 1)
+            {
+                mSuperFrameProcessor1.process(flc);
+            }
+            else
+            {
+                mSuperFrameProcessor2.process(flc);
+            }
+        }
+        else if(message instanceof VoiceMessage voiceMessage)
+        {
+            if(voiceMessage.getTimeslot() == 1)
+            {
+                mSuperFrameProcessor1.process(voiceMessage);
+            }
+            else
+            {
+                mSuperFrameProcessor2.process(voiceMessage);
+            }
+        }
+        else if(message instanceof DMRBurst dmrBurst && dmrBurst.isValid())
+        {
+            if(dmrBurst.getTimeslot() == 1)
+            {
+                mSuperFrameProcessor1.reset();
+            }
+            else
+            {
+                mSuperFrameProcessor2.reset();
+            }
+        }
+
+        //Enrich messages that carry DMR Logical Channel Numbers with LCN to frequency mappings
         if(message instanceof ITimeslotFrequencyReceiver)
         {
             ITimeslotFrequencyReceiver receiver = (ITimeslotFrequencyReceiver)message;
-            int[] lsns = receiver.getLogicalTimeslotNumbers();
+            int[] lcns = receiver.getLogicalChannelNumbers();
 
             List<TimeslotFrequency> timeslotFrequencies = new ArrayList<>();
 
-            for(int lsn: lsns)
+            for(int lcn: lcns)
             {
-                if(mTimeslotFrequencyMap.containsKey(lsn))
+                if(mTimeslotFrequencyMap.containsKey(lcn))
                 {
-                    timeslotFrequencies.add(mTimeslotFrequencyMap.get(lsn));
+                    timeslotFrequencies.add(mTimeslotFrequencyMap.get(lcn));
                 }
             }
 

src/main/java/io/github/dsheirer/module/decode/dmr/DMRNetworkConfigurationMonitor.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2020 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.dmr;
@@ -41,14 +38,13 @@ import io.github.dsheirer.module.decode.dmr.message.data.lc.shorty.ConnectPlusCo
 import io.github.dsheirer.module.decode.dmr.message.data.lc.shorty.ConnectPlusTrafficChannel;
 import io.github.dsheirer.module.decode.dmr.message.type.Model;
 import io.github.dsheirer.module.decode.dmr.message.type.SystemIdentityCode;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Tracks the network configuration details of a DMR network from the broadcast messages
@@ -250,7 +246,7 @@ public class DMRNetworkConfigurationMonitor
                     ConnectPlusNeighborReport cpnr = (ConnectPlusNeighborReport)csbk;
                     mNeighborSites.addAll(cpnr.getNeighbors());
                 }
-                if(mBrand == null)
+                if(mBrand == null || mBrand != BRAND_MOTOROLA_CONNECT_PLUS)
                 {
                     mBrand = BRAND_MOTOROLA_CONNECT_PLUS;
                 }
@@ -279,7 +275,7 @@ public class DMRNetworkConfigurationMonitor
      */
     private void addDmrChannel(DMRChannel dmrChannel)
     {
-        mObservedChannelMap.put(dmrChannel.getLogicalSlotNumber(), dmrChannel);
+        mObservedChannelMap.put(dmrChannel.getValue(), dmrChannel);
     }
 
     public void reset()

src/main/java/io/github/dsheirer/module/decode/dmr/DMRTrafficChannelManager.java

@@ -98,7 +98,7 @@ public class DMRTrafficChannelManager extends TrafficChannelManager implements I
     private List<Channel> mManagedTrafficChannels;
 
     private Map<Long,Channel> mAllocatedTrafficChannelFrequencyMap = new ConcurrentHashMap<>();
-    private Map<Integer,DMRChannelGrantEvent> mLSNGrantEventMap = new ConcurrentHashMap<>();
+    private Map<DMRChannel,DMRChannelGrantEvent> mChannelGrantEventMap = new ConcurrentHashMap<>();
 
     private Listener<ChannelEvent> mChannelEventListener;
     private Listener<IDecodeEvent> mDecodeEventListener;
@@ -322,9 +322,7 @@ public class DMRTrafficChannelManager extends TrafficChannelManager implements I
     public void processChannelGrant(DMRChannel channel, IdentifierCollection identifierCollection,
                                     Opcode opcode, long timestamp, boolean encrypted)
     {
-        int lsn = channel.getLogicalSlotNumber();
-
-        DMRChannelGrantEvent event = mLSNGrantEventMap.get(lsn);
+        DMRChannelGrantEvent event = mChannelGrantEventMap.get(channel);
         DecodeEventType decodeEventType = getEventType(opcode, identifierCollection, encrypted);
 
         if(isStale(event, timestamp, identifierCollection)) //Create new event
@@ -335,7 +333,7 @@ public class DMRTrafficChannelManager extends TrafficChannelManager implements I
                 .identifiers(identifierCollection)
                 .build();
 
-            mLSNGrantEventMap.put(lsn, event);
+            mChannelGrantEventMap.put(channel, event);
 
         }
         else //Update current event
@@ -355,7 +353,7 @@ public class DMRTrafficChannelManager extends TrafficChannelManager implements I
                         .identifiers(identifierCollection)
                         .build();
 
-                    mLSNGrantEventMap.put(lsn, event);
+                    mChannelGrantEventMap.put(channel, event);
                     broadcast(event);
                 }
             }
@@ -643,37 +641,37 @@ public class DMRTrafficChannelManager extends TrafficChannelManager implements I
          */
         private void removeCallEvents(long frequency)
         {
-            List<Integer> lsnsToRemove = new ArrayList<>();
+            List<DMRChannel> channelsToRemove = new ArrayList<>();
 
-            for(Map.Entry<Integer,DMRChannelGrantEvent> entry: mLSNGrantEventMap.entrySet())
+            for(Map.Entry<DMRChannel,DMRChannelGrantEvent> entry: mChannelGrantEventMap.entrySet())
             {
-                if(entry.getValue().getChannelDescriptor().getDownlinkFrequency() == frequency)
+                if(entry.getKey().getDownlinkFrequency() == frequency)
                 {
-                    lsnsToRemove.add(entry.getKey());
+                    channelsToRemove.add(entry.getKey());
                 }
             }
 
-            for(Integer lsn: lsnsToRemove)
+            for(DMRChannel channel: channelsToRemove)
             {
-                mLSNGrantEventMap.remove(lsn);
+                mChannelGrantEventMap.remove(channel);
             }
         }
 
         private void updateCallEventDetails(long frequency, String detailFragment)
         {
-            List<Integer> lsnsToUpdate = new ArrayList<>();
+            List<DMRChannel> channelsToUpdate = new ArrayList<>();
 
-            for(Map.Entry<Integer,DMRChannelGrantEvent> entry: mLSNGrantEventMap.entrySet())
+            for(Map.Entry<DMRChannel,DMRChannelGrantEvent> entry: mChannelGrantEventMap.entrySet())
             {
                 if(entry.getValue().getChannelDescriptor().getDownlinkFrequency() == frequency)
                 {
-                    lsnsToUpdate.add(entry.getKey());
+                    channelsToUpdate.add(entry.getKey());
                 }
             }
 
-            for(Integer lsn: lsnsToUpdate)
+            for(DMRChannel channel: channelsToUpdate)
             {
-                DMRChannelGrantEvent event = mLSNGrantEventMap.get(lsn);
+                DMRChannelGrantEvent event = mChannelGrantEventMap.get(channel);
 
                 if(event != null)
                 {

src/main/java/io/github/dsheirer/module/decode/dmr/audio/DMRCallSequenceRecorder.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2021 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -32,17 +32,16 @@ import io.github.dsheirer.module.decode.dmr.message.data.lc.full.GroupVoiceChann
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.UnitToUnitVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.hytera.HyteraGroupVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.hytera.HyteraUnitToUnitVoiceChannelUser;
-import io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola.CapacityPlusGroupVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola.CapacityPlusWideAreaVoiceChannelUser;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola.MotorolaGroupVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.terminator.Terminator;
 import io.github.dsheirer.module.decode.dmr.message.voice.VoiceMessage;
 import io.github.dsheirer.preference.UserPreferences;
 import io.github.dsheirer.sample.Listener;
+import java.util.List;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.List;
-
 /**
  * DMR AMBE Frame recorder generates call sequence recordings containing JSON representations of audio
  * frames, optional encryption and call identifiers.
@@ -206,8 +205,8 @@ public class DMRCallSequenceRecorder extends MBECallSequenceRecorder
             {
                 switch(message.getOpcode())
                 {
-                    case FULL_CAPACITY_PLUS_GROUP_VOICE_CHANNEL_USER:
-                        if(message instanceof CapacityPlusGroupVoiceChannelUser cpvcu)
+                    case FULL_MOTOROLA_GROUP_VOICE_CHANNEL_USER:
+                        if(message instanceof MotorolaGroupVoiceChannelUser cpvcu)
                         {
                             if(mCallSequence == null)
                             {

src/main/java/io/github/dsheirer/module/decode/dmr/channel/DMRAbsoluteChannel.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.dmr.channel;

src/main/java/io/github/dsheirer/module/decode/dmr/channel/DMRChannel.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -26,6 +26,8 @@ import io.github.dsheirer.identifier.Role;
 import io.github.dsheirer.identifier.integer.IntegerIdentifier;
 import io.github.dsheirer.module.decode.p25.phase1.message.IFrequencyBand;
 import io.github.dsheirer.protocol.Protocol;
+import java.util.List;
+import java.util.Objects;
 import org.apache.commons.lang3.Validate;
 
 /**
@@ -33,8 +35,9 @@ import org.apache.commons.lang3.Validate;
  *
  * Note: timeslots are tracked as 1 and 2
  */
-public abstract class DMRChannel extends IntegerIdentifier implements IChannelDescriptor
+public abstract class DMRChannel extends IntegerIdentifier implements IChannelDescriptor,  ITimeslotFrequencyReceiver
 {
+    private TimeslotFrequency mTimeslotFrequency;
     private int mTimeslot;
 
     /**
@@ -56,13 +59,23 @@ public abstract class DMRChannel extends IntegerIdentifier implements IChannelDe
     }
 
     /**
-     * Repeater number for the channel.
+     * Repeater number aka Logical Channel Number (LCN) for the channel.
      */
-    public int getRepeater()
+    public int getChannelNumber()
     {
         return getValue();
     }
 
+    /**
+     * Convenience method to format the single channel number as an array for TimeslotFrequency matching.
+     * @return channel number as an integer array.
+     */
+    public int[] getLogicalChannelNumbers()
+    {
+        return new int[]{getChannelNumber()};
+    }
+
+
     /**
      * Timeslot for the channel.
      * @return timeslot as zero-based index with values in range: 0 or 1.
@@ -72,36 +85,6 @@ public abstract class DMRChannel extends IntegerIdentifier implements IChannelDe
         return mTimeslot;
     }
 
-    /**
-     * Logical slot number for this channel.  LSN is a 1-based index value where repeater one, timeslot 1 is
-     * LSN 1, timeslot 2 is LSN 2, etc.
-     *
-     * Formula: LSN = ((channel - 1) * 2) + timeslot
-     *
-     * @return logical slot number, a 1-based index value
-     */
-    public int getLogicalSlotNumber()
-    {
-        int repeater = getRepeater();
-
-        if(repeater > 0)
-        {
-            return ((repeater - 1) * 2) + getTimeslot();
-        }
-
-        return 0;
-    }
-
-    /**
-     * Returns an array of length 1 containing this channel's logical slot number
-     */
-    public int[] getLSNArray()
-    {
-        int[] logicalSlotNumbers = new int[1];
-        logicalSlotNumbers[0] = getLogicalSlotNumber();
-        return logicalSlotNumbers;
-    }
-
     /**
      * Number of timeslots for the DMR channel.
      * @return 2 always.
@@ -121,6 +104,13 @@ public abstract class DMRChannel extends IntegerIdentifier implements IChannelDe
         return true;
     }
 
+
+    @Override
+    public String toString()
+    {
+        return "CHAN:" + getChannelNumber() + ":" + getTimeslot();
+    }
+
     /**
      * Not implemented
      */
@@ -138,4 +128,72 @@ public abstract class DMRChannel extends IntegerIdentifier implements IChannelDe
     {
         throw new IllegalArgumentException("This method is not supported");
     }
+
+    @Override
+    public long getDownlinkFrequency()
+    {
+        if(mTimeslotFrequency != null)
+        {
+            return mTimeslotFrequency.getDownlinkFrequency();
+        }
+
+        return 0;
+    }
+
+    @Override
+    public long getUplinkFrequency()
+    {
+        if(mTimeslotFrequency != null)
+        {
+            return mTimeslotFrequency.getUplinkFrequency();
+        }
+
+        return 0;
+    }
+
+    /**
+     * Sets the lsn to frequency mapper value.
+     * @param timeslotFrequency to set
+     */
+    public void setTimeslotFrequency(TimeslotFrequency timeslotFrequency)
+    {
+        mTimeslotFrequency = timeslotFrequency;
+    }
+
+    @Override
+    public void apply(List<TimeslotFrequency> timeslotFrequencies)
+    {
+        for(TimeslotFrequency timeslotFrequency: timeslotFrequencies)
+        {
+            if(timeslotFrequency.getChannelNumber() == getChannelNumber())
+            {
+                setTimeslotFrequency(timeslotFrequency);
+                return;
+            }
+        }
+    }
+
+    @Override
+    public boolean equals(Object o)
+    {
+        if(this == o)
+        {
+            return true;
+        }
+        if(!(o instanceof DMRChannel that))
+        {
+            return false;
+        }
+        if(!super.equals(o))
+        {
+            return false;
+        }
+        return getTimeslot() == that.getTimeslot();
+    }
+
+    @Override
+    public int hashCode()
+    {
+        return Objects.hash(super.hashCode(), getTimeslot());
+    }
 }

src/main/java/io/github/dsheirer/module/decode/dmr/channel/DMRLogicalChannel.java

@@ -1,90 +0,0 @@
-/*
- * *****************************************************************************
- * Copyright (C) 2014-2023 Dennis Sheirer
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * ****************************************************************************
- */
-
-package io.github.dsheirer.module.decode.dmr.channel;
-
-/**
- * DMR logical channel. This channel uses a logical channel number and a timeslot.
- */
-public class DMRLogicalChannel extends DMRChannel
-{
-    private TimeslotFrequency mTimeslotFrequency;
-
-    /**
-     * Constructs an instance.  Note: radio reference uses a one based index, so we add a value of one to the
-     * calculated logical slot value for visual compatibility for users.
-     *
-     * @param channel number or repeater number
-     * @param logicalSlotNumber - zero based index.
-     */
-    public DMRLogicalChannel(int channel, int timeslot)
-    {
-        super(channel, timeslot);
-    }
-
-    /**
-     * Downlink frequency
-     * @return value in Hertz, or 0 if this channel doesn't have a timeslot frequency mapping
-     */
-    @Override
-    public long getDownlinkFrequency()
-    {
-        if(mTimeslotFrequency != null)
-        {
-            return mTimeslotFrequency.getDownlinkFrequency();
-        }
-
-        return 0;
-    }
-
-    /**
-     * Uplink frequency
-     * @return value in Hertz, or 0 if this channel doesn't have a timeslot frequency mapping
-     */
-    @Override
-    public long getUplinkFrequency()
-    {
-        if(mTimeslotFrequency != null)
-        {
-            return mTimeslotFrequency.getUplinkFrequency();
-        }
-
-        return 0;
-    }
-
-    /**
-     * Sets the timeslot frequency mapping
-     * @param timeslotFrequency
-     */
-    public void setTimeslotFrequency(TimeslotFrequency timeslotFrequency)
-    {
-        mTimeslotFrequency = timeslotFrequency;
-    }
-
-    /**
-     * Formatted channel number
-     */
-    public String toString()
-    {
-        StringBuilder sb = new StringBuilder();
-        sb.append("LSN:").append(getLogicalSlotNumber());
-//        sb.append(" LCN:").append(getValue());
-        return sb.toString();
-    }
-}

src/main/java/io/github/dsheirer/module/decode/dmr/channel/DMRLsn.java

@@ -0,0 +1,72 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.channel;
+
+/**
+ * DMR Logical Slot Number (LSN) channel.
+ *
+ * Note: LSN 1-16 are represented in memory using the following channel and timeslot values:
+ *
+ * LSN: CHANNEL/TIMESLOT
+ *  1:  1/1
+ *  2:  1/2
+ *  3:  2/1
+ *  4:  2/2
+ *  5:  3/1
+ *  6:  3/2
+ *  7:  4/1
+ *  8:  4/2
+ *  9:  5/1
+ * 10:  5/2
+ * 11:  6/1
+ * 12:  6/2
+ * 13:  7/1
+ * 14:  7/2
+ * 15:  8/1
+ * 16:  8/2
+ */
+public class DMRLsn extends DMRChannel
+{
+    /**
+     * Constructs an instance
+     *
+     * @param lsn in range 1 - 16
+     */
+    public DMRLsn(int lsn)
+    {
+        super(((lsn - 1) / 2) + 1, ((lsn - 1) % 2) + 1);
+    }
+
+    @Override
+    public String toString()
+    {
+        return "LSN:" + getLsn() + " LCN:" + getChannelNumber();
+    }
+
+    /**
+     * Logical Slot Number
+     * @return lsn
+     */
+    public int getLsn()
+    {
+        return ((getChannelNumber() - 1) * 2) + getTimeslot();
+    }
+
+}

src/main/java/io/github/dsheirer/module/decode/dmr/channel/DMRTier3Channel.java

@@ -1,16 +1,35 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.dmr.channel;
 
 /**
- * DMR Tier III Trunking Channel
+ * DMR Tier III Trunking channel. This channel uses a logical channel number and a timeslot.
  */
-public class DMRTier3Channel extends DMRLogicalChannel
+public class DMRTier3Channel extends DMRChannel
 {
     /**
      * Constructs an instance.  Note: radio reference uses a one based index, so we add a value of one to the
      * calculated logical slot value for visual compatibility for users.
      *
      * @param channel number or repeater number
-     * @param timeslot
+     * @param timeslot either 1 or 2.
      */
     public DMRTier3Channel(int channel, int timeslot)
     {
@@ -18,23 +37,22 @@ public class DMRTier3Channel extends DMRLogicalChannel
     }
 
     /**
-     * Logical slot number for this channel.
-     *
-     * Formula: LSN = (channel * 2) + timeslot
-     *
-     * @return logical slot number, a 1-based index value
+     * Tier III Channel ID
+     * @return channel ID
      */
-    @Override
-    public int getLogicalSlotNumber()
+    public int getChannelId()
     {
-        int repeater = getRepeater();
-
-        if(repeater > 0)
-        {
-            return ((repeater) * 2) + getTimeslot();
-        }
-
-        return 0;
+        return getChannelNumber() * 2 + getTimeslot();
     }
 
+    /**
+     * Formatted channel number
+     */
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append(" LCN:").append(getChannelNumber());
+        sb.append(" CHANID:").append(getChannelId());
+        return sb.toString();
+    }
 }

src/main/java/io/github/dsheirer/module/decode/dmr/channel/DmrRestLsn.java

@@ -0,0 +1,42 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.channel;
+
+/**
+ * DMR Rest Channel logical slot number (LSN).
+ */
+public class DmrRestLsn extends DMRLsn
+{
+    /**
+     * Constructs an instance
+     *
+     * @param lsn in range 1 - 16
+     */
+    public DmrRestLsn(int lsn)
+    {
+        super(lsn);
+    }
+
+    @Override
+    public String toString()
+    {
+        return "REST:" + getLsn();
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/channel/ITimeslotFrequencyReceiver.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -24,9 +24,9 @@ import java.util.List;
 public interface ITimeslotFrequencyReceiver
 {
     /**
-     * Provides the logical slot number(s) that require a matching timeslot frequency mapping
+     * Provides the logical channel number(s) that require a matching timeslot frequency mapping
      */
-    public int[] getLogicalTimeslotNumbers();
+    public int[] getLogicalChannelNumbers();
 
     /**
      * Applies the list of timeslot frequency mappings to the implementer

src/main/java/io/github/dsheirer/module/decode/dmr/channel/TimeslotFrequency.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -31,7 +31,7 @@ import javafx.beans.property.SimpleLongProperty;
 import javafx.util.Callback;
 
 /**
- * Maps a timeslot number to a pair of channel frequency values
+ * Maps a logical channel number (LCN) to a pair of channel frequency values
  */
 public class TimeslotFrequency
 {
@@ -73,7 +73,7 @@ public class TimeslotFrequency
      * Downlink Frequency property
      */
     @JsonIgnore
-    public LongProperty downlinkFrequencyPropertyProperty()
+    public LongProperty downlinkFrequencyProperty()
     {
         return mDownlinkFrequencyProperty;
     }
@@ -100,7 +100,10 @@ public class TimeslotFrequency
     }
 
     /**
-     * Logical slot number (LSN) as a 1-index based counter
+     * Logical channel number (LCN) as a 1-index based counter
+     *
+     * Note: lsn (logical slot number) is a legacy name for this field.  The field currently holds the LCN or logical
+     * channel number.  To avoid breaking serialization, we leave this field labeled as lsn.
      */
     @JacksonXmlProperty(isAttribute = true, localName = "lsn")
     public int getNumber()
@@ -109,12 +112,52 @@ public class TimeslotFrequency
     }
 
     /**
-     * Sets the logical slot number (LSN) as a 1-index start
-     * @param lsn where LSN 1 is the first slot, 2 the second, etc
+     * Logical channel number which is the same value as getNumber.
+     * @return
      */
-    public void setNumber(int lsn)
+    @JsonIgnore
+    public int getChannelNumber()
     {
-        mNumberProperty.set(lsn);
+        return getNumber();
+    }
+
+    @JsonIgnore
+    public String getLogicalSlotNumbers()
+    {
+        StringBuilder sb = new StringBuilder();
+
+        int channel = getChannelNumber();
+
+        if(channel > 0)
+        {
+            if(channel < 32) //Connect Plus uses 5-bits for LSN for a maximum value of 31
+            {
+                //Cap+ & Con+ Logical Slot Numbers
+                int lsn1 = (channel - 1) * 2 + 1;
+                int lsn2 = (channel - 1) * 2 + 2;
+                sb.append("LSN:").append(lsn1).append("/").append(lsn2).append(" or ");
+            }
+
+            //Tier III channel IDs
+            int chanId1 = channel * 2 + 1;
+            int chanId2 = channel * 2 + 2;
+            sb.append("Tier3 Chan:").append(chanId1).append("/").append(chanId2);
+        }
+        else
+        {
+            sb.append("(empty)");
+        }
+
+        return sb.toString();
+    }
+
+    /**
+     * Sets the logical channel number (LCN) as a 1-index start
+     * @param lcn where LCN 1 is logical slot numbers (LSN) 1 and 2, LCN2=LSN3/4, etc.
+     */
+    public void setNumber(int lcn)
+    {
+        mNumberProperty.set(lcn);
     }
 
     /**
@@ -160,7 +203,7 @@ public class TimeslotFrequency
     @Override
     public String toString()
     {
-        return "TIMESLOT LSN:" + getNumber() + " DOWNLINK:" + getDownlinkFrequency();
+        return "LCN:" + getNumber() + " DOWNLINK:" + getDownlinkFrequency();
     }
 
     /**
@@ -168,7 +211,7 @@ public class TimeslotFrequency
      */
     public static Callback<TimeslotFrequency,Observable[]> extractor()
     {
-        return (TimeslotFrequency tf) -> new Observable[] {tf.getNumberProperty(), tf.downlinkFrequencyPropertyProperty(),
+        return (TimeslotFrequency tf) -> new Observable[] {tf.getNumberProperty(), tf.downlinkFrequencyProperty(),
             tf.uplinkFrequencyProperty(), tf.getDownlinkMHz(), tf.getUplinkMHz()};
     }
 }

src/main/java/io/github/dsheirer/module/decode/dmr/message/DMRBurst.java

@@ -1,5 +1,25 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.dmr.message;
 
+import io.github.dsheirer.bits.BinaryMessage;
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
 /**
@@ -53,4 +73,13 @@ public abstract class DMRBurst extends DMRMessage
     {
         return mSyncPattern;
     }
+
+    /**
+     * Extracts the sync payload from between the two payload fragments.
+     * @return binary message containing just the sync payload bits (64).
+     */
+    public BinaryMessage getSyncPayload()
+    {
+        return getMessage().get(SYNC_START, PAYLOAD_2_START);
+    }
 }

src/main/java/io/github/dsheirer/module/decode/dmr/message/IServiceOptionsProvider.java

@@ -0,0 +1,34 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message;
+
+import io.github.dsheirer.module.decode.dmr.message.type.ServiceOptions;
+
+/**
+ * DMR message that exposes a service options configuration
+ */
+public interface IServiceOptionsProvider
+{
+    /**
+     * Service Options
+     * @return service options
+     */
+    ServiceOptions getServiceOptions();
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/DMRDataMessageFactory.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -33,8 +33,8 @@ import io.github.dsheirer.module.decode.dmr.message.data.csbk.CSBKMessageFactory
 import io.github.dsheirer.module.decode.dmr.message.data.header.ConfirmedDataHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.DataHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.DefinedShortDataHeader;
-import io.github.dsheirer.module.decode.dmr.message.data.header.HeaderMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.header.MBCHeader;
+import io.github.dsheirer.module.decode.dmr.message.data.header.PiHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.ProprietaryDataHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.RawShortDataHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.ResponseDataHeader;
@@ -43,9 +43,9 @@ import io.github.dsheirer.module.decode.dmr.message.data.header.StatusDataHeader
 import io.github.dsheirer.module.decode.dmr.message.data.header.UDTHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.UnconfirmedDataHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.VoiceHeader;
-import io.github.dsheirer.module.decode.dmr.message.data.header.hytera.HyteraProprietaryDataHeader;
+import io.github.dsheirer.module.decode.dmr.message.data.header.hytera.HyteraDataEncryptionHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.motorola.MNISProprietaryDataHeader;
-import io.github.dsheirer.module.decode.dmr.message.data.header.motorola.MotorolaProprietaryDataHeader;
+import io.github.dsheirer.module.decode.dmr.message.data.header.motorola.MotorolaDataEncryptionHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.mbc.MBCContinuationBlock;
 import io.github.dsheirer.module.decode.dmr.message.data.terminator.Terminator;
 import io.github.dsheirer.module.decode.dmr.message.data.usb.USBData;
@@ -98,7 +98,7 @@ public class DMRDataMessageFactory
                     return new MBCHeader(pattern, getPayload(message), cach, slotType, timestamp, timeslot);
                 case CHANNEL_CONTROL_ENC_HEADER:
                 case PI_HEADER:
-                    return new HeaderMessage(pattern, getPayload(message), cach, slotType, timestamp, timeslot);
+                    return new PiHeader(pattern, getPayload(message), cach, slotType, timestamp, timeslot);
                 case VOICE_HEADER:
                     return new VoiceHeader(pattern, getPayload(message), cach, slotType, timestamp, timeslot);
                 case DATA_ENC_HEADER:
@@ -132,16 +132,16 @@ public class DMRDataMessageFactory
                                     }
                                     else
                                     {
-                                        MotorolaProprietaryDataHeader mprdh = new MotorolaProprietaryDataHeader(pattern,
+                                        MotorolaDataEncryptionHeader mprdh = new MotorolaDataEncryptionHeader(pattern,
                                             payload, cach, slotType, timestamp, timeslot);
                                         mprdh.setValid(valid);
                                         return mprdh;
                                     }
                                 case HYTERA_68:
-                                    HyteraProprietaryDataHeader hpdh = new HyteraProprietaryDataHeader(pattern, payload,
-                                        cach, slotType, timestamp, timeslot);
-                                    hpdh.setValid(valid);
-                                    return hpdh;
+                                    HyteraDataEncryptionHeader hsdh = new HyteraDataEncryptionHeader(pattern, payload,
+                                            cach, slotType, timestamp, timeslot);
+                                    hsdh.setValid(valid);
+                                    return hsdh;
                                 default:
                                     ProprietaryDataHeader pdh = new ProprietaryDataHeader(pattern, payload, cach,
                                         slotType, timestamp, timeslot);

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/DataMessageWithLinkControl.java

@@ -34,7 +34,7 @@ import java.util.List;
  */
 public abstract class DataMessageWithLinkControl extends DataMessage
 {
-    private LCMessage mLCMessage;
+    protected LCMessage mLCMessage;
 
     /**
      * Constructs an instance.

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/block/DataBlock1Rate.java

@@ -56,6 +56,10 @@ public class DataBlock1Rate extends DataBlock
     {
         StringBuilder sb = new StringBuilder();
         sb.append("CC:").append(getSlotType().getColorCode());
+        if(hasRAS())
+        {
+            sb.append(" RAS:").append(getBPTCReservedBits());
+        }
         if(!isValid())
         {
             sb.append(" [CRC ERROR]");

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/block/DataBlock1_2Rate.java

@@ -56,6 +56,10 @@ public class DataBlock1_2Rate extends DataBlock
     {
         StringBuilder sb = new StringBuilder();
         sb.append("CC:").append(getSlotType().getColorCode());
+        if(hasRAS())
+        {
+            sb.append(" RAS:").append(getBPTCReservedBits());
+        }
         if(!isValid())
         {
             sb.append(" [CRC ERROR]");

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/block/DataBlock3_4Rate.java

@@ -57,6 +57,10 @@ public class DataBlock3_4Rate extends DataBlock
     {
         StringBuilder sb = new StringBuilder();
         sb.append("CC:").append(getSlotType().getColorCode());
+        if(hasRAS())
+        {
+            sb.append(" RAS:").append(getBPTCReservedBits());
+        }
         if(!isValid())
         {
             sb.append(" [CRC ERROR]");

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/Opcode.java

@@ -27,7 +27,6 @@ import java.util.TreeMap;
 
 /**
  * Control Signalling Block (CSBK) Opcode enumeration
- *
  * ETSI TS 102 361-2 DMR Voice & Generic Services, Annex B
  * ETSI TS 102 361-4 DMR Trunking Protocol, Annex B
  */
@@ -91,6 +90,8 @@ public enum Opcode
 
     HYTERA_08_ACKNOWLEDGE(Vendor.HYTERA_8, 32, "HYTERA 08 ACKNOWLEDGE"),
     HYTERA_08_ANNOUNCEMENT(Vendor.HYTERA_8, 40, "HYTERA 08 ANNOUNCEMENT"),
+    //CSBKO 44 & 47 observed on Tier3 interleaved in voice group call terminator sequence.  44 was continuously transmitted
+    //and 47 was only transmitted 3x times in succession in the middle of the terminators and CSBKO 44 messages.
     HYTERA_08_CSBKO_44(Vendor.HYTERA_8, 44, "HYTERA 08 CSBKO 44"),
     HYTERA_08_CSBKO_47(Vendor.HYTERA_8, 47, "HYTERA 08 CSBKO 47"),
 
@@ -104,9 +105,9 @@ public enum Opcode
 
     UNKNOWN(Vendor.UNKNOWN, -1, "UNKNOWN");
 
-    private Vendor mVendor;
-    private int mValue;
-    private String mLabel;
+    private final Vendor mVendor;
+    private final int mValue;
+    private final String mLabel;
 
     /**
      * Constructor

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/motorola/CapacityPlusNeighbors.java

@@ -22,7 +22,7 @@ package io.github.dsheirer.module.decode.dmr.message.data.csbk.motorola;
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
-import io.github.dsheirer.module.decode.dmr.channel.DMRLogicalChannel;
+import io.github.dsheirer.module.decode.dmr.channel.DmrRestLsn;
 import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRSite;
@@ -39,7 +39,6 @@ import java.util.List;
 public class CapacityPlusNeighbors extends CSBKMessage implements ITimeslotFrequencyReceiver
 {
     private static final int[] LC_START_STOP = new int[]{16, 17};
-    private static final int TIMESLOT = 18;
     private static final int[] REST_LSN = new int[]{19, 20, 21, 22, 23};
     private static final int ASYNC = 24;
     private static final int[] SITE = new int[]{25, 26, 27, 28};
@@ -58,7 +57,7 @@ public class CapacityPlusNeighbors extends CSBKMessage implements ITimeslotFrequ
     private static final int[] NEIGHBOR_6_REST = new int[]{76, 77, 78, 79};
 
 
-    private DMRLogicalChannel mRestChannel;
+    private DmrRestLsn mRestChannel;
     private DMRSite mSite;
     private List<Identifier> mIdentifiers;
 
@@ -286,37 +285,23 @@ public class CapacityPlusNeighbors extends CSBKMessage implements ITimeslotFrequ
         return getMessage().getInt(REST_LSN);
     }
 
-    /**
-     * Rest repeater
-     */
-    public int getRestRepeater() { return (int) Math.ceil(getRestLSN() / 2.0); }
-
-    /**
-     * Rest timeslot
-     * @return timeslot 1 or 2
-     */
-    public int getRestTimeslot()
-    {
-        return (getRestLSN() % 2 == 0) ? 2 : 1;
-    }
-
     /**
      * DMR Channel
      */
-    public DMRLogicalChannel getRestChannel()
+    public DmrRestLsn getRestChannel()
     {
         if(mRestChannel == null)
         {
-            mRestChannel = new DMRLogicalChannel(getRestRepeater(), getRestTimeslot());
+            mRestChannel = new DmrRestLsn(getRestLSN());
         }
 
         return mRestChannel;
     }
 
     @Override
-    public int[] getLogicalTimeslotNumbers()
+    public int[] getLogicalChannelNumbers()
     {
-        return getRestChannel().getLSNArray();
+        return getRestChannel().getLogicalChannelNumbers();
     }
 
     /**
@@ -327,13 +312,7 @@ public class CapacityPlusNeighbors extends CSBKMessage implements ITimeslotFrequ
     @Override
     public void apply(List<TimeslotFrequency> timeslotFrequencies)
     {
-        for(TimeslotFrequency timeslotFrequency : timeslotFrequencies)
-        {
-            if(timeslotFrequency.getNumber() == getRestChannel().getLogicalSlotNumber())
-            {
-                getRestChannel().setTimeslotFrequency(timeslotFrequency);
-            }
-        }
+        getRestChannel().apply(timeslotFrequencies);
     }
 
     @Override

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/motorola/CapacityPlusSiteStatus.java

@@ -22,7 +22,7 @@ package io.github.dsheirer.module.decode.dmr.message.data.csbk.motorola;
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
-import io.github.dsheirer.module.decode.dmr.channel.DMRLogicalChannel;
+import io.github.dsheirer.module.decode.dmr.channel.DmrRestLsn;
 import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
 import io.github.dsheirer.module.decode.dmr.message.CACH;
@@ -39,13 +39,11 @@ public class CapacityPlusSiteStatus extends CSBKMessage implements ITimeslotFreq
     private static final int[] BYTE = new int[]{0, 1, 2, 3, 4, 5, 6, 7};
     private static final int[] TWO_BYTES = new int[]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
     private static final int[] SEGMENT_INDICATOR = new int[]{16, 17};
-    private static final int TIMESLOT = 18;
-    private static final int RESERVED = 19;
-    private static final int[] REST_LSN = new int[]{20, 21, 22, 23};
+    private static final int[] REST_LSN = new int[]{19, 20, 21, 22, 23};
     private static final int[] LSN_VOICE_BITMAP = new int[]{24, 25, 26, 27, 28, 29, 30, 31};
     private static final int LSN_1_8_BITMAP_START = 24;
 
-    private DMRLogicalChannel mRestChannel;
+    private DmrRestLsn mRestChannel;
     private List<Identifier> mIdentifiers;
 
     /**
@@ -80,7 +78,7 @@ public class CapacityPlusSiteStatus extends CSBKMessage implements ITimeslotFreq
             sb.append(" RAS:").append(getBPTCReservedBits());
         }
 
-        sb.append(" CSBK CAP+ SITE STATUS REST ").append(getRestChannel());
+        sb.append(" CSBK CAP+ SITE STATUS ").append(getRestChannel());
         sb.append(" ").append(getSegmentIndicator());
         sb.append(" ");
 
@@ -277,11 +275,11 @@ public class CapacityPlusSiteStatus extends CSBKMessage implements ITimeslotFreq
     /**
      * Current rest channel for this site.
      */
-    public DMRLogicalChannel getRestChannel()
+    public DmrRestLsn getRestChannel()
     {
         if(mRestChannel == null)
         {
-            mRestChannel = new DMRLogicalChannel(getRestRepeater(), getRestTimeslot());
+            mRestChannel = new DmrRestLsn(getRestLSN());
         }
 
         return mRestChannel;
@@ -297,31 +295,13 @@ public class CapacityPlusSiteStatus extends CSBKMessage implements ITimeslotFreq
         return getMessage().getInt(REST_LSN);
     }
 
-    /**
-     * Rest Channel Repeater
-     */
-    public int getRestRepeater()
-    {
-        return (int) Math.ceil(getRestLSN() / 2.0);
-    }
-
-    /**
-     * Rest Channel Timeslot
-     *
-     * @return 1 or 2
-     */
-    public int getRestTimeslot()
-    {
-        return (getRestLSN() % 2 == 0) ? 2 : 1;
-    }
-
     /**
      * Logical slot numbers that require slot to frequency mappings.
      */
     @Override
-    public int[] getLogicalTimeslotNumbers()
+    public int[] getLogicalChannelNumbers()
     {
-        return getRestChannel().getLSNArray();
+        return getRestChannel().getLogicalChannelNumbers();
     }
 
     /**
@@ -332,13 +312,7 @@ public class CapacityPlusSiteStatus extends CSBKMessage implements ITimeslotFreq
     @Override
     public void apply(List<TimeslotFrequency> timeslotFrequencies)
     {
-        for(TimeslotFrequency timeslotFrequency : timeslotFrequencies)
-        {
-            if(getRestChannel().getLogicalSlotNumber() == timeslotFrequency.getNumber())
-            {
-                getRestChannel().setTimeslotFrequency(timeslotFrequency);
-            }
-        }
+        getRestChannel().apply(timeslotFrequencies);
     }
 
     @Override

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/motorola/ConnectPlusDataChannelGrant.java

@@ -23,7 +23,7 @@ import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.identifier.radio.RadioIdentifier;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
-import io.github.dsheirer.module.decode.dmr.channel.DMRLogicalChannel;
+import io.github.dsheirer.module.decode.dmr.channel.DMRLsn;
 import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
@@ -40,14 +40,13 @@ public class ConnectPlusDataChannelGrant extends CSBKMessage implements ITimeslo
 {
     private static final int[] TARGET_ADDRESS = new int[]{16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
         32, 33, 34, 35, 36, 37, 38, 39};
-    private static final int[] REPEATER = new int[]{40, 41, 42, 43};
-    private static final int[] CHANNEL_GRANT_TIMESLOT = new int[]{44};
+    private static final int[] LOGICAL_SLOT_NUMBER = new int[]{40, 41, 42, 43, 44};
 
     //Analysis: this field correlates to UNKNOWN_FIELD_1(bits: 40-48) in ConnectPlusTerminateChannelGrant.
     private static final int[] UNKNOWN_FIELD = new int[]{48, 49, 50, 51, 52, 53, 54, 55};
 
     private RadioIdentifier mTargetRadio;
-    private DMRLogicalChannel mDMRLogicalChannel;
+    private DMRLsn mDmrLsn;
     private List<Identifier> mIdentifiers;
 
     /**
@@ -110,39 +109,30 @@ public class ConnectPlusDataChannelGrant extends CSBKMessage implements ITimeslo
     }
 
     /**
-     * Channel grant repeater number
+     * Channel grant logical slot number
      */
-    public int getRepeater()
+    public int getLsn()
     {
-        return getMessage().getInt(REPEATER);
-    }
-
-    /**
-     * Channel grant timeslot
-     * @return 1 or 2
-     */
-    public int getChannelGrantTimeslot()
-    {
-        return getMessage().getInt(CHANNEL_GRANT_TIMESLOT) + 1;
+        return getMessage().getInt(LOGICAL_SLOT_NUMBER) - 1;  //Don't change this ... always subtract 1 to get the repeater LSN
     }
 
     /**
      * DMR Channel
      */
-    public DMRLogicalChannel getChannel()
+    public DMRLsn getChannel()
     {
-        if(mDMRLogicalChannel == null)
+        if(mDmrLsn == null)
         {
-            mDMRLogicalChannel = new DMRLogicalChannel(getRepeater(), getChannelGrantTimeslot());
+            mDmrLsn = new DMRLsn(getLsn());
         }
 
-        return mDMRLogicalChannel;
+        return mDmrLsn;
     }
 
     @Override
-    public int[] getLogicalTimeslotNumbers()
+    public int[] getLogicalChannelNumbers()
     {
-        return getChannel().getLSNArray();
+        return getChannel().getLogicalChannelNumbers();
     }
 
     /**
@@ -152,13 +142,7 @@ public class ConnectPlusDataChannelGrant extends CSBKMessage implements ITimeslo
     @Override
     public void apply(List<TimeslotFrequency> timeslotFrequencies)
     {
-        for(TimeslotFrequency timeslotFrequency: timeslotFrequencies)
-        {
-            if(timeslotFrequency.getNumber() == getChannel().getLogicalSlotNumber())
-            {
-                getChannel().setTimeslotFrequency(timeslotFrequency);
-            }
-        }
+        getChannel().apply(timeslotFrequencies);
     }
 
     @Override

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/motorola/ConnectPlusOTAAnnouncement.java

@@ -22,7 +22,7 @@ package io.github.dsheirer.module.decode.dmr.message.data.csbk.motorola;
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
-import io.github.dsheirer.module.decode.dmr.channel.DMRLogicalChannel;
+import io.github.dsheirer.module.decode.dmr.channel.DMRLsn;
 import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
 import io.github.dsheirer.module.decode.dmr.message.CACH;
@@ -44,11 +44,10 @@ public class ConnectPlusOTAAnnouncement extends CSBKMessage implements ITimeslot
     private static final int[] MESSAGE_TYPE = new int[]{16, 17, 18, 19, 20, 21, 22, 23};
     private static final int[] VERSION = new int[]{24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39};
     private static final int[] UNKNOWN = new int[]{40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56,
-        57, 58, 59, 60, 61, 62, 63};
-    private static final int[] DATA_REPEATER = new int[]{64, 65, 66, 67};
-    private static final int[] DATA_TIMESLOT = new int[]{68};
+        57, 58, 59, 60, 61, 62};
+    private static final int[] LOGICAL_SLOT_NUMBER = new int[]{63, 64, 65, 66, 67};
 
-    private DMRLogicalChannel mDataChannel;
+    private DMRLsn mDataChannel;
     private List<Identifier> mIdentifiers;
 
     /**
@@ -100,39 +99,30 @@ public class ConnectPlusOTAAnnouncement extends CSBKMessage implements ITimeslot
     }
 
     /**
-     * Data repeater number
+     * Data logical slot numberrepeater number
      */
-    public int getDataRepeater()
+    public int getDataLsn()
     {
-        return getMessage().getInt(DATA_REPEATER);
-    }
-
-    /**
-     * Data Timeslot
-     * @return 1 or 2
-     */
-    public int getDataTimeslot()
-    {
-        return getMessage().getInt(DATA_TIMESLOT) + 1;
+        return getMessage().getInt(LOGICAL_SLOT_NUMBER) - 1; //Leave this as minus 1
     }
 
     /**
      * DMR Channel where the data is available
      */
-    public DMRLogicalChannel getDataChannel()
+    public DMRLsn getDataChannel()
     {
         if(mDataChannel == null)
         {
-            mDataChannel = new DMRLogicalChannel(getDataRepeater(), getDataTimeslot());
+            mDataChannel = new DMRLsn(getDataLsn());
         }
 
         return mDataChannel;
     }
 
     @Override
-    public int[] getLogicalTimeslotNumbers()
+    public int[] getLogicalChannelNumbers()
     {
-        return getDataChannel().getLSNArray();
+        return getDataChannel().getLogicalChannelNumbers();
     }
 
     /**
@@ -143,13 +133,7 @@ public class ConnectPlusOTAAnnouncement extends CSBKMessage implements ITimeslot
     @Override
     public void apply(List<TimeslotFrequency> timeslotFrequencies)
     {
-        for(TimeslotFrequency timeslotFrequency : timeslotFrequencies)
-        {
-            if(timeslotFrequency.getNumber() == getDataChannel().getLogicalSlotNumber())
-            {
-                getDataChannel().setTimeslotFrequency(timeslotFrequency);
-            }
-        }
+        getDataChannel().apply(timeslotFrequencies);
     }
 
     @Override

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/motorola/ConnectPlusVoiceChannelUser.java

@@ -24,7 +24,7 @@ import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.identifier.radio.RadioIdentifier;
 import io.github.dsheirer.identifier.talkgroup.TalkgroupIdentifier;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
-import io.github.dsheirer.module.decode.dmr.channel.DMRLogicalChannel;
+import io.github.dsheirer.module.decode.dmr.channel.DMRLsn;
 import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
@@ -44,13 +44,12 @@ public class ConnectPlusVoiceChannelUser extends CSBKMessage implements ITimeslo
         32, 33, 34, 35, 36, 37, 38, 39};
     private static final int[] GROUP_ADDRESS = new int[]{40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
         56, 57, 58, 59, 60, 61, 62, 63};
-    private static final int[] TRAFFIC_CHANNEL_REPEATER = new int[]{64, 65, 66, 67};
-    private static final int[] TRAFFIC_CHANNEL_TIMESLOT = new int[]{68};
+    private static final int[] LOGICAL_SLOT_NUMBER = new int[]{64, 65, 66, 67, 68};
     private static final int[] UNKNOWN_FIELD = new int[]{72, 73, 74, 75, 76, 77, 78, 79};
 
     private RadioIdentifier mRadio;
     private TalkgroupIdentifier mTalkgroup;
-    private DMRLogicalChannel mDMRLogicalChannel;
+    private DMRLsn mDmrLsn;
     private List<Identifier> mIdentifiers;
 
     /**
@@ -127,37 +126,28 @@ public class ConnectPlusVoiceChannelUser extends CSBKMessage implements ITimeslo
     /**
      * Traffic channel repeater
      */
-    public int getTrafficChannelRepeater()
+    public int getTrafficLsn()
     {
-        return getMessage().getInt(TRAFFIC_CHANNEL_REPEATER);
-    }
-
-    /**
-     * Traffic channel timeslot
-     * @return 1 or 2
-     */
-    public int getTrafficChannelTimeslot()
-    {
-        return getMessage().getInt(TRAFFIC_CHANNEL_TIMESLOT) + 1;
+        return getMessage().getInt(LOGICAL_SLOT_NUMBER) - 1; //Always leave as minus 1
     }
 
     /**
      * DMR Channel
      */
-    public DMRLogicalChannel getChannel()
+    public DMRLsn getChannel()
     {
-        if(mDMRLogicalChannel == null)
+        if(mDmrLsn == null)
         {
-            mDMRLogicalChannel = new DMRLogicalChannel(getTrafficChannelRepeater(), getTrafficChannelTimeslot());
+            mDmrLsn = new DMRLsn(getTrafficLsn());
         }
 
-        return mDMRLogicalChannel;
+        return mDmrLsn;
     }
 
     @Override
-    public int[] getLogicalTimeslotNumbers()
+    public int[] getLogicalChannelNumbers()
     {
-        return getChannel().getLSNArray();
+        return getChannel().getLogicalChannelNumbers();
     }
 
     /**
@@ -167,13 +157,7 @@ public class ConnectPlusVoiceChannelUser extends CSBKMessage implements ITimeslo
     @Override
     public void apply(List<TimeslotFrequency> timeslotFrequencies)
     {
-        for(TimeslotFrequency timeslotFrequency: timeslotFrequencies)
-        {
-            if(timeslotFrequency.getNumber() == getChannel().getLogicalSlotNumber())
-            {
-                getChannel().setTimeslotFrequency(timeslotFrequency);
-            }
-        }
+        getChannel().apply(timeslotFrequencies);
     }
 
     @Override

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/Clear.java

@@ -25,7 +25,6 @@ import io.github.dsheirer.identifier.integer.IntegerIdentifier;
 import io.github.dsheirer.identifier.radio.RadioIdentifier;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
 import io.github.dsheirer.module.decode.dmr.channel.DMRChannel;
-import io.github.dsheirer.module.decode.dmr.channel.DMRLogicalChannel;
 import io.github.dsheirer.module.decode.dmr.channel.DMRTier3Channel;
 import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
@@ -224,11 +223,11 @@ public class Clear extends CSBKMessage implements ITimeslotFrequencyReceiver
      * Logical Slot Number(s) for channels contained in this message
      */
     @Override
-    public int[] getLogicalTimeslotNumbers()
+    public int[] getLogicalChannelNumbers()
     {
-        if(getMoveToChannel() instanceof DMRLogicalChannel)
+        if(getMoveToChannel() != null)
         {
-            return ((DMRLogicalChannel)getMoveToChannel()).getLSNArray();
+            return getMoveToChannel().getLogicalChannelNumbers();
         }
 
         return new int[0];
@@ -241,17 +240,9 @@ public class Clear extends CSBKMessage implements ITimeslotFrequencyReceiver
     @Override
     public void apply(List<TimeslotFrequency> timeslotFrequencies)
     {
-        if(getMoveToChannel() instanceof DMRLogicalChannel)
+        if(getMoveToChannel() != null)
         {
-            DMRLogicalChannel channel = (DMRLogicalChannel)getMoveToChannel();
-
-            for(TimeslotFrequency timeslotFrequency: timeslotFrequencies)
-            {
-                if(channel.getLogicalSlotNumber() == timeslotFrequency.getNumber())
-                {
-                    channel.setTimeslotFrequency(timeslotFrequency);
-                }
-            }
+            getMoveToChannel().apply(timeslotFrequencies);
         }
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/MoveTSCC.java

@@ -88,7 +88,8 @@ public class MoveTSCC extends CSBKMessage
 
         if(multiBlock != null)
         {
-            mAbsoluteChannelParameters = new AbsoluteChannelParameters(multiBlock.getMessage(), 0, 0);
+            //Timeslot hard-coded to 1 since this is a control channel.
+            mAbsoluteChannelParameters = new AbsoluteChannelParameters(multiBlock.getMessage(), 0, 1);
         }
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/announcement/AdjacentSiteInformation.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,24 +23,20 @@ import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
 import io.github.dsheirer.module.decode.dmr.channel.DMRChannel;
-import io.github.dsheirer.module.decode.dmr.channel.DMRLogicalChannel;
 import io.github.dsheirer.module.decode.dmr.channel.DMRTier3Channel;
-import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
-import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
 import io.github.dsheirer.module.decode.dmr.message.CACH;
 import io.github.dsheirer.module.decode.dmr.message.data.SlotType;
 import io.github.dsheirer.module.decode.dmr.message.data.mbc.MBCContinuationBlock;
 import io.github.dsheirer.module.decode.dmr.message.type.AbsoluteChannelParameters;
 import io.github.dsheirer.module.decode.dmr.message.type.DataType;
 import io.github.dsheirer.module.decode.dmr.message.type.SystemIdentityCode;
-
 import java.util.ArrayList;
 import java.util.List;
 
 /**
  * DMR Tier III - Announcement Message - Adjacent/Neighbor Site Information
  */
-public class AdjacentSiteInformation extends Announcement implements ITimeslotFrequencyReceiver
+public class AdjacentSiteInformation extends Announcement
 {
     private static final int NEIGHBOR_SYSTEM_IDENTITY_CODE_OFFSET = 21;
     private static final int NETWORK_CONNECTION_STATUS_AVAILABLE_FLAG = 56;
@@ -88,8 +84,8 @@ public class AdjacentSiteInformation extends Announcement implements ITimeslotFr
 
         if(multiBlock != null)
         {
-            //Timeslot hard-coded to zero for control channel
-            mAbsoluteChannelParameters = new AbsoluteChannelParameters(multiBlock.getMessage(), 0, 0);
+            //Timeslot hard-coded to one for control channel
+            mAbsoluteChannelParameters = new AbsoluteChannelParameters(multiBlock.getMessage(), 0, 1);
         }
     }
 
@@ -235,39 +231,4 @@ public class AdjacentSiteInformation extends Announcement implements ITimeslotFr
 
         return mIdentifiers;
     }
-
-    /**
-     * Logical Slot Number(s) for channels contained in this message
-     */
-    @Override
-    public int[] getLogicalTimeslotNumbers()
-    {
-        if(getNeighborChannel() instanceof DMRLogicalChannel)
-        {
-            return ((DMRLogicalChannel)getNeighborChannel()).getLSNArray();
-        }
-
-        return new int[0];
-    }
-
-    /**
-     * Applies the timeslot frequency lookup information to channels contained in this message
-     * @param timeslotFrequencies that match the logical timeslots
-     */
-    @Override
-    public void apply(List<TimeslotFrequency> timeslotFrequencies)
-    {
-        if(getNeighborChannel() instanceof DMRLogicalChannel)
-        {
-            DMRLogicalChannel channel = (DMRLogicalChannel)getNeighborChannel();
-
-            for(TimeslotFrequency timeslotFrequency: timeslotFrequencies)
-            {
-                if(channel.getLogicalSlotNumber() == timeslotFrequency.getNumber())
-                {
-                    channel.setTimeslotFrequency(timeslotFrequency);
-                }
-            }
-        }
-    }
 }

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/announcement/AnnounceChannelFrequency.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -27,7 +27,6 @@ import io.github.dsheirer.module.decode.dmr.message.data.SlotType;
 import io.github.dsheirer.module.decode.dmr.message.data.mbc.MBCContinuationBlock;
 import io.github.dsheirer.module.decode.dmr.message.type.AbsoluteChannelParameters;
 import io.github.dsheirer.module.decode.dmr.message.type.DataType;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -56,7 +55,8 @@ public class AnnounceChannelFrequency extends Announcement
 
         if(multiBlock != null)
         {
-            mAbsoluteChannelParameters = new AbsoluteChannelParameters(multiBlock.getMessage(), 0, 0);
+            //Timeslot hard-coded to one
+            mAbsoluteChannelParameters = new AbsoluteChannelParameters(multiBlock.getMessage(), 0, 1);
         }
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/announcement/AnnounceWithdrawTSCC.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -29,7 +29,6 @@ import io.github.dsheirer.module.decode.dmr.message.data.SlotType;
 import io.github.dsheirer.module.decode.dmr.message.data.mbc.MBCContinuationBlock;
 import io.github.dsheirer.module.decode.dmr.message.type.AbsoluteChannelParameters;
 import io.github.dsheirer.module.decode.dmr.message.type.DataType;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -87,8 +86,8 @@ public class AnnounceWithdrawTSCC extends Announcement
 
         if(multiBlock != null)
         {
-            //Control channel timeslot hard-coded to 0
-            mAbsoluteChannelParameters = new AbsoluteChannelParameters(multiBlock.getMessage(), 0, 0);
+            //Control channel timeslot hard-coded to 1
+            mAbsoluteChannelParameters = new AbsoluteChannelParameters(multiBlock.getMessage(), 0, 1);
         }
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/announcement/VoteNowAdvice.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,7 +23,6 @@ import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
 import io.github.dsheirer.module.decode.dmr.channel.DMRChannel;
-import io.github.dsheirer.module.decode.dmr.channel.DMRLogicalChannel;
 import io.github.dsheirer.module.decode.dmr.channel.DMRTier3Channel;
 import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
@@ -33,7 +32,6 @@ import io.github.dsheirer.module.decode.dmr.message.data.mbc.MBCContinuationBloc
 import io.github.dsheirer.module.decode.dmr.message.type.AbsoluteChannelParameters;
 import io.github.dsheirer.module.decode.dmr.message.type.DataType;
 import io.github.dsheirer.module.decode.dmr.message.type.SystemIdentityCode;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -91,7 +89,8 @@ public class VoteNowAdvice extends Announcement implements ITimeslotFrequencyRec
 
         if(multiBlock != null)
         {
-            mAbsoluteChannelParameters = new AbsoluteChannelParameters(multiBlock.getMessage(), 0, 0);
+            //Timeslot hard-coded to one for control channel
+            mAbsoluteChannelParameters = new AbsoluteChannelParameters(multiBlock.getMessage(), 0, 1);
         }
     }
 
@@ -240,11 +239,11 @@ public class VoteNowAdvice extends Announcement implements ITimeslotFrequencyRec
      * Logical Slot Number(s) for channels contained in this message
      */
     @Override
-    public int[] getLogicalTimeslotNumbers()
+    public int[] getLogicalChannelNumbers()
     {
-        if(getChannel() instanceof DMRLogicalChannel)
+        if(getChannel() != null)
         {
-            return ((DMRLogicalChannel)getChannel()).getLSNArray();
+            return getChannel().getLogicalChannelNumbers();
         }
 
         return new int[0];
@@ -257,17 +256,9 @@ public class VoteNowAdvice extends Announcement implements ITimeslotFrequencyRec
     @Override
     public void apply(List<TimeslotFrequency> timeslotFrequencies)
     {
-        if(getChannel() instanceof DMRLogicalChannel)
+        if(getChannel() != null)
         {
-            DMRLogicalChannel channel = (DMRLogicalChannel)getChannel();
-
-            for(TimeslotFrequency timeslotFrequency: timeslotFrequencies)
-            {
-                if(channel.getLogicalSlotNumber() == timeslotFrequency.getNumber())
-                {
-                    channel.setTimeslotFrequency(timeslotFrequency);
-                }
-            }
+            getChannel().apply(timeslotFrequencies);
         }
     }
 }

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/grant/BroadcastTalkgroupVoiceChannelGrant.java

@@ -104,7 +104,7 @@ public class BroadcastTalkgroupVoiceChannelGrant extends ChannelGrant
 
         sb.append(" BROADCAST TALKGROUP VOICE CHANNEL GRANT FM:").append(getSourceRadio());
         sb.append(" TO:").append(getDestinationTalkgroup());
-        sb.append(" CHAN:").append(getChannel());
+        sb.append(" ").append(getChannel());
         return sb.toString();
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/grant/ChannelGrant.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,7 +22,6 @@ package io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.grant;
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
 import io.github.dsheirer.module.decode.dmr.channel.DMRChannel;
-import io.github.dsheirer.module.decode.dmr.channel.DMRLogicalChannel;
 import io.github.dsheirer.module.decode.dmr.channel.DMRTier3Channel;
 import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
@@ -32,7 +31,6 @@ import io.github.dsheirer.module.decode.dmr.message.data.csbk.CSBKMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.mbc.MBCContinuationBlock;
 import io.github.dsheirer.module.decode.dmr.message.type.AbsoluteChannelParameters;
 import io.github.dsheirer.module.decode.dmr.message.type.DataType;
-
 import java.util.List;
 
 /**
@@ -159,11 +157,11 @@ public abstract class ChannelGrant extends CSBKMessage implements ITimeslotFrequ
      * Logical Slot Number(s) for channels contained in this message
      */
     @Override
-    public int[] getLogicalTimeslotNumbers()
+    public int[] getLogicalChannelNumbers()
     {
-        if(getChannel() instanceof DMRLogicalChannel)
+        if(getChannel() != null)
         {
-            return ((DMRLogicalChannel)getChannel()).getLSNArray();
+            return getChannel().getLogicalChannelNumbers();
         }
 
         return new int[0];
@@ -176,17 +174,9 @@ public abstract class ChannelGrant extends CSBKMessage implements ITimeslotFrequ
     @Override
     public void apply(List<TimeslotFrequency> timeslotFrequencies)
     {
-        if(getChannel() instanceof DMRLogicalChannel)
+        if(getChannel() != null)
         {
-            DMRLogicalChannel channel = (DMRLogicalChannel)getChannel();
-
-            for(TimeslotFrequency timeslotFrequency: timeslotFrequencies)
-            {
-                if(channel.getLogicalSlotNumber() == timeslotFrequency.getNumber())
-                {
-                    channel.setTimeslotFrequency(timeslotFrequency);
-                }
-            }
+            getChannel().apply(timeslotFrequencies);
         }
     }
 }

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/grant/DuplexPrivateDataChannelGrant.java

@@ -103,7 +103,7 @@ public class DuplexPrivateDataChannelGrant extends ChannelGrant
 
         sb.append(" DUPLEX PRIVATE DATA CHANNEL GRANT FM:").append(getSourceRadio());
         sb.append(" TO:").append(getDestinationRadio());
-        sb.append(" CHAN:").append(getChannel());
+        sb.append(" ").append(getChannel());
         return sb.toString();
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/grant/DuplexPrivateVoiceChannelGrant.java

@@ -103,7 +103,7 @@ public class DuplexPrivateVoiceChannelGrant extends ChannelGrant
 
         sb.append(" DUPLEX PRIVATE VOICE CHANNEL GRANT FM:").append(getSourceRadio());
         sb.append(" TO:").append(getDestinationRadio());
-        sb.append(" CHAN:").append(getChannel());
+        sb.append(" ").append(getChannel());
         return sb.toString();
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/grant/PrivateDataChannelGrant.java

@@ -108,7 +108,7 @@ public class PrivateDataChannelGrant extends ChannelGrant
 
         sb.append(" PRIVATE DATA CHANNEL GRANT FM:").append(getSourceRadio());
         sb.append(" TO:").append(getDestinationRadio());
-        sb.append(" CHAN:").append(getChannel());
+        sb.append(" ").append(getChannel());
         return sb.toString();
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/grant/PrivateVoiceChannelGrant.java

@@ -102,7 +102,7 @@ public class PrivateVoiceChannelGrant extends ChannelGrant
 
         sb.append(" PRIVATE VOICE CHANNEL GRANT FM:").append(getSourceRadio());
         sb.append(" TO:").append(getDestinationRadio());
-        sb.append(" CHAN:").append(getChannel());
+        sb.append(" ").append(getChannel());
         return sb.toString();
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/grant/TalkgroupDataChannelGrant.java

@@ -110,7 +110,7 @@ public class TalkgroupDataChannelGrant extends ChannelGrant
 
         sb.append(" TALKGROUP DATA CHANNEL GRANT FM:").append(getSourceRadio());
         sb.append(" TO:").append(getDestinationTalkgroup());
-        sb.append(" CHAN:").append(getChannel());
+        sb.append(" ").append(getChannel());
         return sb.toString();
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/grant/TalkgroupVoiceChannelGrant.java

@@ -104,7 +104,7 @@ public class TalkgroupVoiceChannelGrant extends ChannelGrant
 
         sb.append(" TALKGROUP VOICE CHANNEL GRANT FM:").append(getSourceRadio());
         sb.append(" TO:").append(getDestinationTalkgroup());
-        sb.append(" CHAN:").append(getChannel());
+        sb.append(" ").append(getChannel());
         return sb.toString();
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/header/DefinedShortDataHeader.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -25,7 +25,6 @@ import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
 import io.github.dsheirer.module.decode.dmr.message.CACH;
 import io.github.dsheirer.module.decode.dmr.message.data.SlotType;
 import io.github.dsheirer.module.decode.dmr.message.type.DefinedDataFormat;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -39,6 +38,7 @@ public class DefinedShortDataHeader extends PacketSequenceHeader
     private static final int RESYNCHRONIZE_FLAG = 70;
     private static final int FULL_MESSAGE_FLAG = 71;
     private static final int[] BIT_PADDING = new int[]{72, 73, 74, 75, 76, 77, 78, 79};
+    private static final int[] HEADER_CRC = new int[]{80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95};
 
     private List<Identifier> mIdentifiers;
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/header/PiHeader.java

@@ -17,18 +17,19 @@
  * ****************************************************************************
  */
 
-package io.github.dsheirer.module.decode.dmr.message.data.header.hytera;
+package io.github.dsheirer.module.decode.dmr.message.data.header;
 
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
 import io.github.dsheirer.module.decode.dmr.message.CACH;
 import io.github.dsheirer.module.decode.dmr.message.data.SlotType;
-import io.github.dsheirer.module.decode.dmr.message.data.header.ProprietaryDataHeader;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.LCMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.LCMessageFactory;
 
 /**
- * Hytera Proprietary Data Header
+ * PI/Encryption Header with Link Control
  */
-public class HyteraProprietaryDataHeader extends ProprietaryDataHeader
+public class PiHeader extends HeaderMessage
 {
     /**
      * Constructs an instance.
@@ -40,23 +41,42 @@ public class HyteraProprietaryDataHeader extends ProprietaryDataHeader
      * @param timestamp message was received
      * @param timeslot for the DMR burst
      */
-    public HyteraProprietaryDataHeader(DMRSyncPattern syncPattern, CorrectedBinaryMessage message, CACH cach, SlotType slotType, long timestamp, int timeslot)
+    public PiHeader(DMRSyncPattern syncPattern, CorrectedBinaryMessage message, CACH cach, SlotType slotType, long timestamp, int timeslot)
     {
         super(syncPattern, message, cach, slotType, timestamp, timeslot);
     }
 
+    /**
+     * Access the embedded link control message
+     */
+    public LCMessage getLCMessage()
+    {
+        if(mLCMessage == null)
+        {
+            //Overrides default to ignore opcode and construct an encryption parameters message.
+            mLCMessage = LCMessageFactory.createFullEncryption(getMessage(), getTimestamp(), getTimeslot());
+        }
+
+        return mLCMessage;
+    }
+
     @Override
     public String toString()
     {
         StringBuilder sb = new StringBuilder();
-        sb.append("CC:").append(getSlotType().getColorCode());
+
         if(!isValid())
         {
             sb.append(" [CRC ERROR]");
         }
-        sb.append(" HYTERA PROPRIETARY DATA HEADER");
-        sb.append(" SAP:").append(getServiceAccessPoint());
-        sb.append(" MSG:").append(getMessage().toHexString());
+
+        sb.append(getSlotType());
+
+        if(hasRAS())
+        {
+            sb.append(" RAS:").append(getBPTCReservedBits()).append(" ");
+        }
+        sb.append(" ").append(getLCMessage());
         return sb.toString();
     }
 }

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/header/ProprietaryDataHeader.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -34,6 +34,11 @@ public class ProprietaryDataHeader extends DataHeader
 {
     private static final int[] SERVICE_ACCESS_POINT = new int[]{0, 1, 2, 3};
     private static final int[] VENDOR = new int[]{8, 9, 10, 11, 12, 13, 14, 15};
+    private static final int[] VENDOR_DATA = new int[]{16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+            32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
+            48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
+            64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79};
+    private static final int[] HEADER_CRC = new int[]{80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95};
 
     /**
      * Constructs an instance.
@@ -62,10 +67,20 @@ public class ProprietaryDataHeader extends DataHeader
         sb.append(" PROPRIETARY DATA HEADER");
         sb.append(" VENDOR:").append(getVendor());
         sb.append(" ").append(getServiceAccessPoint());
+        sb.append(" VENDOR DATA:").append(getVendorData());
         sb.append(" MSG:").append(getMessage().toHexString());
         return sb.toString();
     }
 
+    /**
+     * Vendor defined data payload from this proprietary header.
+     * @return hex values.
+     */
+    public String getVendorData()
+    {
+        return getMessage().getHex(VENDOR_DATA, 16);
+    }
+
     /**
      * Optional packet prefix.
      * @return packet prefix fragment or null.

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/header/hytera/HyteraDataEncryptionHeader.java

@@ -0,0 +1,126 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.header.hytera;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
+import io.github.dsheirer.module.decode.dmr.message.CACH;
+import io.github.dsheirer.module.decode.dmr.message.data.SlotType;
+import io.github.dsheirer.module.decode.dmr.message.data.header.ProprietaryDataHeader;
+import io.github.dsheirer.module.decode.dmr.message.type.EncryptionAlgorithm;
+
+/**
+ * Hytera Proprietary Data Header for SAP Short Data
+ */
+public class HyteraDataEncryptionHeader extends ProprietaryDataHeader
+{
+    private static final int[] ALGORITHM = new int[]{16, 17, 18, 19, 20, 21, 22, 23};
+    private static final int[] KEY = new int[]{24, 25, 26, 27, 28, 29, 30, 31};
+    private static final int[] INITIALIZATION_VECTOR = new int[]{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
+            48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63};
+    private static final int[] UNKNOWN = new int[]{64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79};
+
+    /**
+     * Constructs an instance.
+     *
+     * @param syncPattern either BASE_STATION_DATA or MOBILE_STATION_DATA
+     * @param message containing extracted 196-bit payload.
+     * @param cach for the DMR burst
+     * @param slotType for this data message
+     * @param timestamp message was received
+     * @param timeslot for the DMR burst
+     */
+    public HyteraDataEncryptionHeader(DMRSyncPattern syncPattern, CorrectedBinaryMessage message, CACH cach, SlotType slotType, long timestamp, int timeslot)
+    {
+        super(syncPattern, message, cach, slotType, timestamp, timeslot);
+    }
+
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("CC:").append(getSlotType().getColorCode());
+        if(!isValid())
+        {
+            sb.append(" [CRC ERROR]");
+        }
+        sb.append(" HYTERA DATA ENCRYPTION HEADER - SAP:").append(getServiceAccessPoint());
+
+        switch(getAlgorithm())
+        {
+            case NO_ENCRYPTION:
+                sb.append(" ALGORITHM:UNENCRYPTED");
+                break;
+            case UNKNOWN:
+                sb.append(" ALGORITHM:").append(getMessage().getInt(ALGORITHM));
+                break;
+            default:
+                sb.append(" ALGORITHM:").append(getAlgorithm());
+                break;
+        }
+
+        if(getAlgorithm() != EncryptionAlgorithm.NO_ENCRYPTION)
+        {
+            sb.append(" KEY:").append(getKeyId());
+            sb.append(" IV:").append(getIV());
+            sb.append(" UNK:").append(getUnknown());
+        }
+
+        sb.append(" MSG:").append(getMessage().toHexString());
+        return sb.toString();
+    }
+
+    /**
+     * Encryption algorithm.
+     * @return algorithm or UNKNOWN if the value is not known.
+     */
+    public EncryptionAlgorithm getAlgorithm()
+    {
+        return EncryptionAlgorithm.fromValue(getMessage().getInt(ALGORITHM));
+    }
+
+    /**
+     * Encryption key ID (1-255).
+     * @return key ID
+     */
+    public int getKeyId()
+    {
+        return getMessage().getInt(KEY);
+    }
+
+    /**
+     * Hex string representation of the initialization vector
+     * @return IV in hex string.
+     */
+    public String getIV()
+    {
+        return getMessage().getHex(INITIALIZATION_VECTOR, 8);
+    }
+
+    /**
+     * Unknown field.
+     * @return hex string from the field contents.
+     */
+    public String getUnknown()
+    {
+        return getMessage().getHex(UNKNOWN, 4);
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/header/motorola/MNISProprietaryDataHeader.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -66,7 +66,8 @@ public class MNISProprietaryDataHeader extends ProprietaryDataHeader
     public String toString()
     {
         StringBuilder sb = new StringBuilder();
-        sb.append("MOTOROLA MNIS HEADER");
+        sb.append("CC:").append(getSlotType().getColorCode());
+        sb.append(" MOTOROLA MNIS HEADER");
         if(getApplicationType() == ApplicationType.UNKNOWN)
         {
             sb.append(" APPLICATION TYPE:0x").append(Integer.toHexString(getApplicationTypeNumber()).toUpperCase());

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/header/motorola/MotorolaDataEncryptionHeader.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -31,10 +31,15 @@ import io.github.dsheirer.module.decode.dmr.message.type.Vendor;
 /**
  * Motorola Proprietary Data Header
  */
-public class MotorolaProprietaryDataHeader extends ProprietaryDataHeader
+public class MotorolaDataEncryptionHeader extends ProprietaryDataHeader
 {
     private static final int[] SERVICE_ACCESS_POINT = new int[]{0, 1, 2, 3};
     private static final int[] VENDOR = new int[]{8, 9, 10, 11, 12, 13, 14, 15};
+    private static final int[] ALGORITHM = new int[]{16, 17, 18, 19, 20, 21, 22, 23};
+    private static final int[] KEY_ID = new int[]{24, 25, 26, 27, 28, 29, 30, 31};
+    private static final int[] UNKNOWN = new int[]{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
+    private static final int[] INITIALIZATION_VECTOR = new int[]{48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
+            62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79};
 
     /**
      * Constructs an instance.
@@ -46,7 +51,7 @@ public class MotorolaProprietaryDataHeader extends ProprietaryDataHeader
      * @param timestamp message was received
      * @param timeslot for the DMR burst
      */
-    public MotorolaProprietaryDataHeader(DMRSyncPattern syncPattern, CorrectedBinaryMessage message, CACH cach, SlotType slotType, long timestamp, int timeslot)
+    public MotorolaDataEncryptionHeader(DMRSyncPattern syncPattern, CorrectedBinaryMessage message, CACH cach, SlotType slotType, long timestamp, int timeslot)
     {
         super(syncPattern, message, cach, slotType, timestamp, timeslot);
     }
@@ -55,14 +60,57 @@ public class MotorolaProprietaryDataHeader extends ProprietaryDataHeader
     public String toString()
     {
         StringBuilder sb = new StringBuilder();
-        sb.append("MOTOROLA PROPRIETARY DATA HEADER");
-        sb.append(" ").append(getServiceAccessPoint());
+        sb.append("CC:").append(getSlotType().getColorCode());
+        sb.append(" MOTOROLA DATA ENCRYPTION HEADER");
+        sb.append(" SAP:").append(getServiceAccessPoint());
+        sb.append(" ALGORITHM?:").append(getAlgorithm());
+        sb.append(" KEY:").append(getKeyId());
+        sb.append(" IV:").append(getInitializationVector());
+        sb.append(" UNK:").append(getUnknown());
         sb.append(" MSG:").append(getMessage().toHexString());
         return sb.toString();
     }
 
+    /**
+     * Unknown message field(s).
+     * @return hex value.
+     */
+    public String getUnknown()
+    {
+        return getMessage().getHex(UNKNOWN, 4);
+    }
+
+    /**
+     * Encryption key ID
+     * @return key ID
+     */
+    public int getKeyId()
+    {
+        return getMessage().getInt(KEY_ID);
+    }
+
+    /**
+     * Encryption Algorithm
+     * @return algorithm ID
+     */
+    public int getAlgorithm()
+    {
+        return getMessage().getInt(ALGORITHM);
+    }
+
+    /**
+     * Encryption initialization vector
+     *
+     * @return vector in hex
+     */
+    public String getInitializationVector()
+    {
+        return getMessage().getHex(INITIALIZATION_VECTOR, 8);
+    }
+
     /**
      * Utility method to lookup the vendor from a CSBK message
+     *
      * @param message containing CSBK bits
      * @return vendor
      */

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/LCMessageFactory.java

@@ -23,6 +23,7 @@ import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.edac.CRCDMR;
 import io.github.dsheirer.edac.Checksum_5_DMR;
 import io.github.dsheirer.edac.ReedSolomon_12_9_4_DMR;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.full.EncryptionParameters;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.FullLCMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.GPSInformation;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.GroupVoiceChannelUser;
@@ -37,8 +38,8 @@ import io.github.dsheirer.module.decode.dmr.message.data.lc.full.hytera.HyteraGr
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.hytera.HyteraTerminator;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.hytera.HyteraUnitToUnitVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola.CapacityPlusEncryptedVoiceChannelUser;
-import io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola.CapacityPlusGroupVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola.CapacityPlusWideAreaVoiceChannelUser;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola.MotorolaGroupVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.shorty.ActivityUpdateMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.shorty.CapacityPlusRestChannel;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.shorty.ConnectPlusControlChannel;
@@ -59,8 +60,20 @@ public class LCMessageFactory
 {
     private final static Logger mLog = LoggerFactory.getLogger(LCMessageFactory.class);
     private static final ReedSolomon_12_9_4_DMR REED_SOLOMON_12_9_4_DMR = new ReedSolomon_12_9_4_DMR();
-    private static int TERMINATOR_LINK_CONTROL_CRC_MASK = 0x99;
-    private static int VOICE_LINK_CONTROL_CRC_MASK = 0x96;
+    private static final int TERMINATOR_LINK_CONTROL_CRC_MASK = 0x99;
+    private static final int VOICE_LINK_CONTROL_CRC_MASK = 0x96;
+
+    /**
+     * Creates a full link control message specifically for the PI_HEADER message type.
+     * @param message bits
+     * @param timestamp of the original message
+     * @param timeslot of the original message
+     * @return encryption parameters link control.
+     */
+    public static FullLCMessage createFullEncryption(CorrectedBinaryMessage message, long timestamp, int timeslot)
+    {
+        return new EncryptionParameters(message, timestamp, timeslot);
+    }
 
     /**
      * Creates a full link control message
@@ -112,8 +125,8 @@ public class LCMessageFactory
             case FULL_STANDARD_TERMINATOR_DATA:
                 flc = new TerminatorData(message, timestamp, timeslot);
                 break;
-            case FULL_CAPACITY_PLUS_GROUP_VOICE_CHANNEL_USER:
-                flc = new CapacityPlusGroupVoiceChannelUser(message, timestamp, timeslot);
+            case FULL_MOTOROLA_GROUP_VOICE_CHANNEL_USER:
+                flc = new MotorolaGroupVoiceChannelUser(message, timestamp, timeslot);
                 break;
             case FULL_CAPACITY_PLUS_ENCRYPTED_VOICE_CHANNEL_USER:
                 flc = new CapacityPlusEncryptedVoiceChannelUser(message, timestamp, timeslot);
@@ -121,7 +134,10 @@ public class LCMessageFactory
             case FULL_CAPACITY_PLUS_WIDE_AREA_VOICE_CHANNEL_USER:
                 flc = new CapacityPlusWideAreaVoiceChannelUser(message, timestamp, timeslot);
                 break;
-
+            case FULL_ENCRYPTION_PARAMETERS:
+                flc = new EncryptionParameters(message, timestamp, timeslot);
+                valid = flc.isValid();
+                break;
             case FULL_HYTERA_GROUP_VOICE_CHANNEL_USER:
                 flc = new HyteraGroupVoiceChannelUser(message, timestamp, timeslot);
                 break;

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/LCOpcode.java

@@ -27,7 +27,6 @@ import java.util.TreeMap;
 
 /**
  * Full and Short Link Control Opcode enumeration
- *
  * ETSI TS 102 361-2 DMR Voice & Generic Services, Annex B.1 & B.2
  * ETSI TS 102 361-4 DMR Trunking Protocol, Annex B.1 & B.2
  */
@@ -44,10 +43,12 @@ public enum LCOpcode
     FULL_STANDARD_TERMINATOR_DATA(Vendor.STANDARD, true, 48, "TERMINATOR DATA"),
     FULL_STANDARD_UNKNOWN(Vendor.STANDARD,true, -1, "FULL UNKNOWN"),
 
-    FULL_CAPACITY_PLUS_GROUP_VOICE_CHANNEL_USER(Vendor.MOTOROLA_CAPACITY_PLUS, true, 0, "GROUP VOICE CHANNEL USER"),
+    FULL_MOTOROLA_GROUP_VOICE_CHANNEL_USER(Vendor.MOTOROLA_CAPACITY_PLUS, true, 0, "GROUP VOICE CHANNEL USER"),
     FULL_CAPACITY_PLUS_WIDE_AREA_VOICE_CHANNEL_USER(Vendor.MOTOROLA_CAPACITY_PLUS, true, 4, "WAN GROUP VOICE CHANNEL USER"),
     //Observed on Cap+ Multi-Site System during an encrypted voice call
     FULL_CAPACITY_PLUS_ENCRYPTED_VOICE_CHANNEL_USER(Vendor.MOTOROLA_CAPACITY_PLUS, true, 32, "ENCRYPTED VOICE CHANNEL USER"),
+    //Observed on Cap+ Multi-Site System during an encrypted voice call
+    FULL_ENCRYPTION_PARAMETERS(Vendor.MOTOROLA_CAPACITY_PLUS, true, 33, "ENCRYPTION PARAMETERS"),
     //Cap+ opcodes from https://forums.radioreference.com/threads/understanding-capacity-plus-trunking-some-more.452566/
     //FLCO 0: Group Call Maintenance
     //FLCO 3: Private Call Maintenance (TermLC)
@@ -79,10 +80,10 @@ public enum LCOpcode
     private static final EnumSet<LCOpcode> TALKER_ALIAS_OPCODES = EnumSet.of(FULL_STANDARD_TALKER_ALIAS_HEADER,
             FULL_STANDARD_TALKER_ALIAS_BLOCK_1, FULL_STANDARD_TALKER_ALIAS_BLOCK_2, FULL_STANDARD_TALKER_ALIAS_BLOCK_3);
 
-    private Vendor mVendor;
-    private boolean mFull;
-    private int mValue;
-    private String mLabel;
+    private final Vendor mVendor;
+    private final boolean mFull;
+    private final int mValue;
+    private final String mLabel;
 
     /**
      * Constructs an instance

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/AbstractVoiceChannelUser.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,6 +20,7 @@
 package io.github.dsheirer.module.decode.dmr.message.data.lc.full;
 
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.module.decode.dmr.message.IServiceOptionsProvider;
 import io.github.dsheirer.module.decode.dmr.message.type.ServiceOptions;
 
 /**
@@ -27,7 +28,7 @@ import io.github.dsheirer.module.decode.dmr.message.type.ServiceOptions;
  *
  * ETSI TS 102 361-2 7.1.1.2
  */
-public abstract class AbstractVoiceChannelUser extends FullLCMessage
+public abstract class AbstractVoiceChannelUser extends FullLCMessage implements IServiceOptionsProvider
 {
     private static final int[] SERVICE_OPTIONS = new int[]{16, 17, 18, 19, 20, 21, 22, 23};
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/EncryptionParameters.java

@@ -0,0 +1,165 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.lc.full;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.edac.CRCDMR;
+import io.github.dsheirer.identifier.Identifier;
+import io.github.dsheirer.module.decode.dmr.identifier.DMRTalkgroup;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.LCOpcode;
+import io.github.dsheirer.module.decode.dmr.message.type.EncryptionAlgorithm;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Encryption Parameters, carried by a PI_HEADER.
+ *
+ * Note: this message repurposes the OPCODE field to carry the encryption algorithm.
+ */
+public class EncryptionParameters extends FullLCMessage
+{
+    private static final int[] KEY_ID = new int[]{16, 17, 18, 19, 20, 21, 22, 23};
+    private static final int[] INITIALIZATION_VECTOR = new int[]{24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
+            38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55};
+    private static final int[] DESTINATION_GROUP = new int[]{56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70,
+            71, 72, 73, 74, 75, 76, 77, 78, 79};
+    //CRC-CCITT with 0x9696 initial fill, bits: 80-95
+
+    private DMRTalkgroup mTalkgroup;
+    private List<Identifier> mIdentifiers;
+
+    /**
+     * Constructor
+     * @param message bits
+     * @param timestamp for the message
+     * @param timeslot of the message
+     */
+    public EncryptionParameters(CorrectedBinaryMessage message, long timestamp, int timeslot)
+    {
+        super(message, timestamp, timeslot);
+        int bitErrors = CRCDMR.correctCCITT80(message, 0, 80, 0x9696);
+        setValid(bitErrors < 2);
+    }
+
+    /**
+     * Overrides the default method for opcode to return a static value, because the opcode field is repurposed to
+     * be the algorithm field in both Motorola and Hytera variants of this message, both carried by the Encryption
+     * Header message.
+     * @return full encryption parameters opcode.
+     */
+    @Override
+    public LCOpcode getOpcode()
+    {
+        return LCOpcode.FULL_ENCRYPTION_PARAMETERS;
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+
+        if(!isValid())
+        {
+            sb.append("[CRC-ERROR] ");
+        }
+
+        if(isEncrypted())
+        {
+            sb.append(" *ENCRYPTED*");
+        }
+
+        if(isReservedBitSet())
+        {
+            sb.append(" *RESERVED-BIT*");
+        }
+
+        sb.append("FLC ENCRYPTION PARAMETERS");
+        sb.append(" VENDOR:").append(getVendor());
+        if(getAlgorithm() == EncryptionAlgorithm.UNKNOWN)
+        {
+            //List the algorithm (aka opcod) value for unknown algorithms
+            sb.append(" ALGORITHM:").append(getOpcodeValue());
+        }
+        else
+        {
+            sb.append(" ALGORITHM:").append(getAlgorithm());
+        }
+        sb.append(" KEY:").append(getKeyId());
+        sb.append(" IV:").append(getInitializationVector());
+        sb.append(" TALKGROUP:").append(getTalkgroup());
+        sb.append(" MSG:").append(getMessage().toHexString());
+        return sb.toString();
+    }
+
+    /**
+     * Encryption parameter details
+     * @return details
+     */
+    public String getDetails()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("ENCRYPTION ALGORITHM:").append(getAlgorithm());
+        sb.append(" KEY:").append(getKeyId());
+        sb.append(" IV:").append(getInitializationVector());
+        sb.append(" VENDOR:").append(getVendor());
+        return sb.toString();
+    }
+
+    /**
+     * Encryption algorithm.  Note: this message repurposes the OPCODE field to carry the algorithm ID.
+     * @return algorithm or UNKNOWN.
+     */
+    public EncryptionAlgorithm getAlgorithm()
+    {
+        return EncryptionAlgorithm.fromValue(getOpcodeValue());
+    }
+
+    public DMRTalkgroup getTalkgroup()
+    {
+        if(mTalkgroup == null)
+        {
+            mTalkgroup = new DMRTalkgroup(getMessage().getInt(DESTINATION_GROUP));
+        }
+
+        return mTalkgroup;
+    }
+
+    public int getKeyId()
+    {
+        return getMessage().getInt(KEY_ID);
+    }
+
+    public String getInitializationVector()
+    {
+        return getMessage().getHex(INITIALIZATION_VECTOR, 8);
+    }
+
+    @Override
+    public List<Identifier> getIdentifiers()
+    {
+        if(mIdentifiers == null)
+        {
+            mIdentifiers = new ArrayList<>();
+            mIdentifiers.add(getTalkgroup());
+        }
+
+        return mIdentifiers;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/FullLCMessage.java

@@ -30,7 +30,7 @@ public abstract class FullLCMessage extends LCMessage
 {
     private static final int ENCRYPTION_FLAG = 0;
     private static final int RESERVED = 1;
-    private static final int[] OPCODE = new int[]{2, 3, 4, 5, 6, 7};
+    protected static final int[] OPCODE = new int[]{2, 3, 4, 5, 6, 7};
     private static final int[] VENDOR = new int[]{8, 9, 10, 11, 12, 13, 14, 15};
 
     /**

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/hytera/HyteraFullLC.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,13 +22,14 @@ package io.github.dsheirer.module.decode.dmr.message.data.lc.full.hytera;
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.radio.RadioIdentifier;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
+import io.github.dsheirer.module.decode.dmr.message.IServiceOptionsProvider;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.FullLCMessage;
 import io.github.dsheirer.module.decode.dmr.message.type.ServiceOptions;
 
 /**
  * Hytera Full Link Control
  */
-public abstract class HyteraFullLC extends FullLCMessage
+public abstract class HyteraFullLC extends FullLCMessage implements IServiceOptionsProvider
 {
     private static final int[] SERVICE_OPTIONS = new int[]{16, 17, 18, 19, 20, 21, 22, 23};
     private static final int[] FREE_REPEATER = new int[]{24, 25, 26, 27};
@@ -36,11 +37,12 @@ public abstract class HyteraFullLC extends FullLCMessage
     protected static final int[] TARGET_ADDRESS = new int[]{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
     private static final int[] PRIORITY_CALL_HASHED_ADDRESS = new int[]{48, 49, 50, 51, 52, 53, 54, 55};
     private static final int[] SOURCE_ADDRESS = new int[]{56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71};
-    private static final int[] UNKNOWN_1 = new int[]{72, 73, 74, 75};
-    private static final int[] UNKNOWN_2 = new int[]{76, 77, 78, 79};
+    //FEC: 72-96
+    //TODO: Target and Source address fields may be full 24-bit values.  How do we distinguish between Hytera repeater
+    //TODO: and a Hytera XPT repeater?  Do the service options identify when it's XPT?
 
     private ServiceOptions mServiceOptions;
-    private RadioIdentifier mSourceRadio;
+    protected RadioIdentifier mSourceRadio;
 
     /**
      * Constructs an instance.
@@ -109,24 +111,6 @@ public abstract class HyteraFullLC extends FullLCMessage
         return String.format("%02X", getMessage().getInt(PRIORITY_CALL_HASHED_ADDRESS)).toUpperCase();
     }
 
-    /**
-     * Unknown nibble one.  This value remains consistent for the FLC between the Voice Header and the Terminator
-     * for calls.  It does not seem to have correlation to the channel/repeater number
-     */
-    public int getUnknownField1()
-    {
-        return getMessage().getInt(UNKNOWN_1);
-    }
-
-    /**
-     * Unknown nibble two.  For each talkgroup, this field shows one value for the Voice Header and the same value but
-     * bit-inverted in the Terminator.
-     */
-    public int getUnknownField2()
-    {
-        return getMessage().getInt(UNKNOWN_2);
-    }
-
     /**
      * Source radio address
      */

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/hytera/HyteraGroupVoiceChannelUser.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -21,9 +21,10 @@ package io.github.dsheirer.module.decode.dmr.message.data.lc.full.hytera;
 
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
+import io.github.dsheirer.identifier.radio.RadioIdentifier;
 import io.github.dsheirer.identifier.talkgroup.TalkgroupIdentifier;
+import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRTalkgroup;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -32,6 +33,11 @@ import java.util.List;
  */
 public class HyteraGroupVoiceChannelUser extends HyteraFullLC
 {
+    protected static final int[] TALKGROUP = new int[]{24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
+            39, 40, 41, 42, 43, 44, 45, 46, 47};
+    private static final int[] SOURCE_RADIO = new int[]{48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62,
+            63, 64, 65, 66, 67, 68, 69, 70, 71};
+
     private TalkgroupIdentifier mTalkgroup;
     private List<Identifier> mIdentifiers;
 
@@ -55,26 +61,11 @@ public class HyteraGroupVoiceChannelUser extends HyteraFullLC
             sb.append("[CRC-ERROR] ");
         }
 
-        sb.append("FLC HYTERA XPT GROUP VOICE CHANNEL USER FM:");
+        sb.append("FLC HYTERA GROUP VOICE CHANNEL USER FM:");
         sb.append(getSourceRadio());
         sb.append(" TO:").append(getTalkgroup());
-        if(isAllChannelsBusy())
-        {
-            sb.append(" ALL REPEATERS BUSY");
-        }
-        else
-        {
-            sb.append(" FREE REPEATER:").append(getFreeRepeater());
-        }
-
-        if(hasPriorityCall())
-        {
-            sb.append(" PRIORITY CALL FOR:").append(getPriorityCallHashedAddress());
-            sb.append(" ON REPEATER:").append(getPriorityCallRepeater());
-        }
         sb.append(" ").append(getServiceOptions());
-        sb.append(" UNK1:").append(getUnknownField1());
-        sb.append(" UNK2:").append(getUnknownField2());
+        sb.append(" MSG:").append(getMessage().toHexString());
         return sb.toString();
     }
 
@@ -85,12 +76,25 @@ public class HyteraGroupVoiceChannelUser extends HyteraFullLC
     {
         if(mTalkgroup == null)
         {
-            mTalkgroup = DMRTalkgroup.create(getMessage().getInt(TARGET_ADDRESS));
+            mTalkgroup = DMRTalkgroup.create(getMessage().getInt(TALKGROUP));
         }
 
         return mTalkgroup;
     }
 
+    /**
+     * Source radio address
+     */
+    public RadioIdentifier getSourceRadio()
+    {
+        if(mSourceRadio == null)
+        {
+            mSourceRadio = DMRRadio.createFrom(getMessage().getInt(SOURCE_RADIO));
+        }
+
+        return mSourceRadio;
+    }
+
     @Override
     public List<Identifier> getIdentifiers()
     {

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/hytera/HyteraTerminator.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,7 +23,6 @@ import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.identifier.talkgroup.TalkgroupIdentifier;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRTalkgroup;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -73,8 +72,6 @@ public class HyteraTerminator extends HyteraFullLC
             sb.append(" ON REPEATER:").append(getPriorityCallRepeater());
         }
         sb.append(" ").append(getServiceOptions());
-        sb.append(" UNK1:").append(getUnknownField1());
-        sb.append(" UNK2:").append(getUnknownField2());
         return sb.toString();
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/hytera/HyteraUnitToUnitVoiceChannelUser.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,7 +23,6 @@ import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.identifier.radio.RadioIdentifier;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -72,8 +71,6 @@ public class HyteraUnitToUnitVoiceChannelUser extends HyteraFullLC
             sb.append(" PRIORITY CALL FOR:").append(getPriorityCallHashedAddress());
             sb.append(" ON REPEATER:").append(getPriorityCallRepeater());
         }
-        sb.append(" UNK1:").append(getUnknownField1());
-        sb.append(" UNK2:").append(getUnknownField2());
         sb.append(" ").append(getServiceOptions());
         return sb.toString();
     }

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/motorola/CapacityPlusEncryptedVoiceChannelUser.java

@@ -37,7 +37,7 @@ public class CapacityPlusEncryptedVoiceChannelUser extends CapacityPlusVoiceChan
     private static final int[] TARGET_ADDRESS = new int[]{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
     private static final int[] UNKNOWN_2 = new int[]{48, 49, 50, 51, 52, 53, 54, 55};
     private static final int[] SOURCE_ADDRESS = new int[]{56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71};
-    private static final int[] UNKNOWN_3 = new int[]{72, 73, 74, 75, 76, 77, 78, 79};
+    //Reed Solomon FEC: 72-95
 
     private RadioIdentifier mRadio;
     private TalkgroupIdentifier mTalkgroup;
@@ -94,10 +94,6 @@ public class CapacityPlusEncryptedVoiceChannelUser extends CapacityPlusVoiceChan
     {
         return getMessage().getHex(UNKNOWN_2, 2);
     }
-    public String getUnknown3()
-    {
-        return getMessage().getHex(UNKNOWN_3, 2);
-    }
 
     /**
      * Source radio address

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/motorola/CapacityPlusGroupVoiceChannelUser.java

@@ -1,236 +0,0 @@
-/*
- * *****************************************************************************
- * Copyright (C) 2014-2023 Dennis Sheirer
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * ****************************************************************************
- */
-
-package io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola;
-
-import io.github.dsheirer.bits.CorrectedBinaryMessage;
-import io.github.dsheirer.identifier.Identifier;
-import io.github.dsheirer.identifier.radio.RadioIdentifier;
-import io.github.dsheirer.identifier.talkgroup.TalkgroupIdentifier;
-import io.github.dsheirer.module.decode.dmr.channel.DMRLogicalChannel;
-import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
-import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
-import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
-import io.github.dsheirer.module.decode.dmr.identifier.DMRTalkgroup;
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Motorola Capacity Plus - Group Voice Channel User
- */
-public class CapacityPlusGroupVoiceChannelUser extends CapacityPlusVoiceChannelUser implements ITimeslotFrequencyReceiver
-{
-    private static final int[] CAPACITY_PLUS_GROUP_ADDRESS = new int[]{40, 41, 42, 43, 44, 45, 46, 47};
-    private static final int[] CONVENTIONAL_GROUP_ADDRESS = new int[]{24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
-            36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
-    private static final int[] REST_CHANNEL = new int[]{51, 52, 53, 54};
-    private static final int[] REST_CHANNEL_TIMESLOT = new int[]{55};
-    private static final int[] CAPACITY_PLUS_SOURCE_ADDRESS = new int[]{56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71};
-    private static final int[] CONVENTIONAL_SOURCE_ADDRESS = new int[]{48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
-            60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71};
-    private static final int[] UNKNOWN = new int[]{72, 73, 74, 75, 76, 77, 78, 79};
-
-    private RadioIdentifier mRadio;
-    private TalkgroupIdentifier mTalkgroup;
-    private DMRLogicalChannel mRestChannel;
-    private List<Identifier> mIdentifiers;
-
-    /**
-     * Constructs an instance.
-     *
-     * @param message for the link control payload
-     */
-    public CapacityPlusGroupVoiceChannelUser(CorrectedBinaryMessage message, long timestamp, int timeslot)
-    {
-        super(message, timestamp, timeslot);
-    }
-
-    @Override
-    public String toString()
-    {
-        StringBuilder sb = new StringBuilder();
-
-        if(!isValid())
-        {
-            sb.append("[CRC-ERROR] ");
-        }
-
-        if(isEncrypted())
-        {
-            sb.append(" ENCRYPTED");
-        }
-
-        if(isReservedBitSet())
-        {
-            sb.append(" RESERVED-BIT");
-        }
-
-        if(getServiceOptions().isCapacityPlus())
-        {
-            sb.append("FLC MOTOROLA CAP+ GROUP VOICE CHANNEL USER");
-        }
-        else
-        {
-            sb.append("FLC MOTOROLA CONV/IP SITE GROUP VOICE CHANNEL USER");
-        }
-        sb.append(" FM:").append(getRadio());
-        sb.append(" TO:").append(getTalkgroup());
-
-        if(hasRestChannel())
-        {
-            sb.append(" REST:");
-            sb.append(getRestChannel());
-        }
-
-        sb.append(" ").append(getServiceOptions());
-        sb.append(" MSG:").append(getMessage().toHexString());
-        return sb.toString();
-    }
-
-    /**
-     * Unknown 8-bit field
-     */
-    public String getUnknown()
-    {
-        return getMessage().getHex(UNKNOWN, 2);
-    }
-
-    /**
-     * Logical channel number (ie repeater number).
-     */
-    public DMRLogicalChannel getRestChannel()
-    {
-        if(mRestChannel == null)
-        {
-            mRestChannel = new DMRLogicalChannel(getRestChannelRepeater(), getRestChannelTimeslot());
-        }
-
-        return mRestChannel;
-    }
-
-    /**
-     * Rest repeater number
-     */
-    public int getRestChannelRepeater()
-    {
-        return getMessage().getInt(REST_CHANNEL) + 1;
-    }
-
-    /**
-     * Rest timeslot
-     *
-     * @return
-     */
-    public int getRestChannelTimeslot()
-    {
-        return getMessage().getInt(REST_CHANNEL_TIMESLOT) + 1;
-    }
-
-    /**
-     * Indicates if this message has a rest channel indicated for the call
-     */
-    public boolean hasRestChannel()
-    {
-        return getServiceOptions().isCapacityPlus() && getRestChannelRepeater() != 0;
-    }
-
-    /**
-     * Source radio address
-     */
-    public RadioIdentifier getRadio()
-    {
-        if(mRadio == null)
-        {
-            if(getServiceOptions().isCapacityPlus())
-            {
-                mRadio = DMRRadio.createFrom(getMessage().getInt(CAPACITY_PLUS_SOURCE_ADDRESS));
-            }
-            else
-            {
-                mRadio = DMRRadio.createFrom(getMessage().getInt(CONVENTIONAL_SOURCE_ADDRESS));
-            }
-        }
-
-        return mRadio;
-    }
-
-    /**
-     * Talkgroup address
-     */
-    public TalkgroupIdentifier getTalkgroup()
-    {
-        if(mTalkgroup == null)
-        {
-            if(getServiceOptions().isCapacityPlus())
-            {
-                mTalkgroup = DMRTalkgroup.create(getMessage().getInt(CAPACITY_PLUS_GROUP_ADDRESS));
-            }
-            else
-            {
-                mTalkgroup = DMRTalkgroup.create(getMessage().getInt(CONVENTIONAL_GROUP_ADDRESS));
-            }
-        }
-
-        return mTalkgroup;
-    }
-
-    @Override
-    public List<Identifier> getIdentifiers()
-    {
-        if(mIdentifiers == null)
-        {
-            mIdentifiers = new ArrayList<>();
-            mIdentifiers.add(getTalkgroup());
-            mIdentifiers.add(getRadio());
-
-            if(hasRestChannel())
-            {
-                mIdentifiers.add(getRestChannel());
-            }
-        }
-
-        return mIdentifiers;
-    }
-
-    /**
-     * Exposes the rest channel logical slot number so that a LSN to frequency map can be applied to this message.
-     */
-    @Override
-    public int[] getLogicalTimeslotNumbers()
-    {
-        return getRestChannel().getLSNArray();
-    }
-
-    /**
-     * Applies the LSN to frequency map to the rest channel.
-     *
-     * @param timeslotFrequencies that match the logical timeslots
-     */
-    @Override
-    public void apply(List<TimeslotFrequency> timeslotFrequencies)
-    {
-        for(TimeslotFrequency timeslotFrequency : timeslotFrequencies)
-        {
-            if(getRestChannel().getLogicalSlotNumber() == timeslotFrequency.getNumber())
-            {
-                getRestChannel().setTimeslotFrequency(timeslotFrequency);
-            }
-        }
-    }
-}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/motorola/CapacityPlusVoiceChannelUser.java

@@ -20,15 +20,17 @@
 package io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola;
 
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.module.decode.dmr.message.IServiceOptionsProvider;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.FullLCMessage;
 import io.github.dsheirer.module.decode.dmr.message.type.CapacityPlusServiceOptions;
 
 /**
  * Any Capacity Plus Voice Channel User link control message that contains vendor-specific service options.
  */
-public abstract class CapacityPlusVoiceChannelUser extends FullLCMessage
+public abstract class CapacityPlusVoiceChannelUser extends FullLCMessage implements IServiceOptionsProvider
 {
     private static final int[] SERVICE_OPTIONS = new int[]{16, 17, 18, 19, 20, 21, 22, 23};
+    //Reed Solomon FEC: 72-95
 
     private CapacityPlusServiceOptions mServiceOptions;
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/motorola/CapacityPlusWideAreaVoiceChannelUser.java

@@ -23,7 +23,7 @@ import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.identifier.radio.RadioIdentifier;
 import io.github.dsheirer.identifier.talkgroup.TalkgroupIdentifier;
-import io.github.dsheirer.module.decode.dmr.channel.DMRLogicalChannel;
+import io.github.dsheirer.module.decode.dmr.channel.DmrRestLsn;
 import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
@@ -32,21 +32,23 @@ import java.util.ArrayList;
 import java.util.List;
 
 /**
- * Motorola Capacity Plus - Wide Area (Multi-Site) Voice Channel User
+ * Motorola Capacity Plus - Wide Area (Linked or Multi-Site) Voice Channel User
+ *
+ * Note: in Linked Capacity Plus talkgroups range 1-255 and radio IDs range 1-65535
  */
 public class CapacityPlusWideAreaVoiceChannelUser extends CapacityPlusVoiceChannelUser implements ITimeslotFrequencyReceiver
 {
-    private static final int[] UNKNOWN_1 = new int[]{24, 25, 26, 27, 28, 29, 30, 31};
-    private static final int[] GROUP_ADDRESS = new int[]{40, 41, 42, 43, 44, 45, 46, 47};
-    //private static final int[] REST_REPEATER = new int[]{51, 52, 53, 54};
-    //private static final int[] REST_TIMESLOT = new int[]{55};
-    private static final int[] REST_LSN = new int[]{52, 53, 54, 55};
-    private static final int[] SOURCE_ADDRESS = new int[]{56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71};
-    private static final int[] UNKNOWN_3 = new int[]{72, 73, 74, 75, 76, 77, 78, 79};
+    //Bits 16-23: Service Options
+    private static final int[] UNKNOWN_1 = new int[]{24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39};
+    private static final int[] GROUP_ID = new int[]{40, 41, 42, 43, 44, 45, 46, 47};
+    private static final int[] UNUSED = new int[]{48, 49, 50};
+    private static final int[] REST_LSN = new int[]{51, 52, 53, 54, 55};
+    private static final int[] RADIO_ID = new int[]{56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71};
+    //Reed Solomon FEC: 72-95
 
     private RadioIdentifier mRadio;
     private TalkgroupIdentifier mTalkgroup;
-    private DMRLogicalChannel mRestChannel;
+    private DmrRestLsn mRestChannel;
     private List<Identifier> mIdentifiers;
 
     /**
@@ -82,18 +84,12 @@ public class CapacityPlusWideAreaVoiceChannelUser extends CapacityPlusVoiceChann
         sb.append("FLC MOTOROLA CAP+ WIDE-AREA VOICE CHANNEL USER FM:");
         sb.append(getRadio());
         sb.append(" TO:").append(getTalkgroup());
-        sb.append(" REST:");
         if(hasRestChannel())
         {
-            sb.append(getRestChannel());
+            sb.append(" ").append(getRestChannel());
         }
-        else
-        {
-            sb.append("--");
-        }
-        sb.append(" UNK1:").append(getUnknown1());
-        sb.append(" UNK2:").append(getUnknown2());
         sb.append(" ").append(getServiceOptions());
+        sb.append(" UNK1:").append(getUnknown1());
         sb.append(" MSG:").append(getMessage().toHexString());
         return sb.toString();
     }
@@ -101,27 +97,19 @@ public class CapacityPlusWideAreaVoiceChannelUser extends CapacityPlusVoiceChann
     /**
      * Unknown1 8-bit field
      */
-    public int getUnknown1()
+    public String getUnknown1()
     {
-        return getMessage().getInt(UNKNOWN_1);
-    }
-
-    /**
-     * Unknown2 8-bit field
-     */
-    public int getUnknown2()
-    {
-        return getMessage().getInt(UNKNOWN_3);
+        return getMessage().getHex(UNKNOWN_1, 4);
     }
 
     /**
      * Logical channel number (ie repeater number).
      */
-    public DMRLogicalChannel getRestChannel()
+    public DmrRestLsn getRestChannel()
     {
         if(mRestChannel == null)
         {
-            mRestChannel = new DMRLogicalChannel(getRestRepeater(), getRestTimeslot());
+            mRestChannel = new DmrRestLsn(getRestLSN());
         }
 
         return mRestChannel;
@@ -136,25 +124,12 @@ public class CapacityPlusWideAreaVoiceChannelUser extends CapacityPlusVoiceChann
         return getMessage().getInt(REST_LSN);
     }
 
-    /**
-     * Rest channel timeslot
-     */
-    public int getRestTimeslot()
-    {
-        return (getRestLSN() % 2 == 0) ? 2 : 1;
-    }
-
-    /**
-     * Rest channel repeater number
-     */
-    public int getRestRepeater() { return (int) Math.ceil(getRestLSN() / 2.0); }
-
     /**
      * Indicates if this message has a reset channel defined.
      */
     public boolean hasRestChannel()
     {
-        return getRestRepeater() != 0;
+        return getRestLSN() != 0;
     }
 
     /**
@@ -164,7 +139,7 @@ public class CapacityPlusWideAreaVoiceChannelUser extends CapacityPlusVoiceChann
     {
         if(mRadio == null)
         {
-            mRadio = DMRRadio.createFrom(getMessage().getInt(SOURCE_ADDRESS));
+            mRadio = DMRRadio.createFrom(getMessage().getInt(RADIO_ID));
         }
 
         return mRadio;
@@ -177,7 +152,7 @@ public class CapacityPlusWideAreaVoiceChannelUser extends CapacityPlusVoiceChann
     {
         if(mTalkgroup == null)
         {
-            mTalkgroup = DMRTalkgroup.create(getMessage().getInt(GROUP_ADDRESS));
+            mTalkgroup = DMRTalkgroup.create(getMessage().getInt(GROUP_ID));
         }
 
         return mTalkgroup;
@@ -201,9 +176,9 @@ public class CapacityPlusWideAreaVoiceChannelUser extends CapacityPlusVoiceChann
      * Exposes the rest channel logical slot number so that a LSN to frequency map can be applied to this message.
      */
     @Override
-    public int[] getLogicalTimeslotNumbers()
+    public int[] getLogicalChannelNumbers()
     {
-        return getRestChannel().getLSNArray();
+        return getRestChannel().getLogicalChannelNumbers();
     }
 
     /**
@@ -214,12 +189,6 @@ public class CapacityPlusWideAreaVoiceChannelUser extends CapacityPlusVoiceChann
     @Override
     public void apply(List<TimeslotFrequency> timeslotFrequencies)
     {
-        for(TimeslotFrequency timeslotFrequency : timeslotFrequencies)
-        {
-            if(getRestChannel().getLogicalSlotNumber() == timeslotFrequency.getNumber())
-            {
-                getRestChannel().setTimeslotFrequency(timeslotFrequency);
-            }
-        }
+        getRestChannel().apply(timeslotFrequencies);
     }
 }

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/motorola/MotorolaGroupVoiceChannelUser.java

@@ -0,0 +1,122 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.identifier.Identifier;
+import io.github.dsheirer.identifier.radio.RadioIdentifier;
+import io.github.dsheirer.identifier.talkgroup.TalkgroupIdentifier;
+import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
+import io.github.dsheirer.module.decode.dmr.identifier.DMRTalkgroup;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Motorola Capacity Plus - Group Voice Channel User
+ */
+public class MotorolaGroupVoiceChannelUser extends CapacityPlusVoiceChannelUser
+{
+    private static final int[] GROUP_ADDRESS = new int[]{24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
+            36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
+    private static final int[] SOURCE_ADDRESS = new int[]{48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+            60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71};
+    //Reed Solomon FEC: 72-95
+
+    private RadioIdentifier mRadio;
+    private TalkgroupIdentifier mTalkgroup;
+    private List<Identifier> mIdentifiers;
+
+    /**
+     * Constructs an instance.
+     *
+     * @param message for the link control payload
+     */
+    public MotorolaGroupVoiceChannelUser(CorrectedBinaryMessage message, long timestamp, int timeslot)
+    {
+        super(message, timestamp, timeslot);
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+
+        if(!isValid())
+        {
+            sb.append("[CRC-ERROR] ");
+        }
+
+        if(isEncrypted())
+        {
+            sb.append(" ENCRYPTED");
+        }
+
+        if(isReservedBitSet())
+        {
+            sb.append(" RESERVED-BIT");
+        }
+
+        sb.append("FLC MOTOROLA GROUP VOICE CHANNEL USER");
+        sb.append(" FM:").append(getRadio());
+        sb.append(" TO:").append(getTalkgroup());
+        sb.append(" ").append(getServiceOptions());
+        sb.append(" MSG:").append(getMessage().toHexString());
+        return sb.toString();
+    }
+
+    /**
+     * Source radio address
+     */
+    public RadioIdentifier getRadio()
+    {
+        if(mRadio == null)
+        {
+            mRadio = DMRRadio.createFrom(getMessage().getInt(SOURCE_ADDRESS));
+        }
+
+        return mRadio;
+    }
+
+    /**
+     * Talkgroup address
+     */
+    public TalkgroupIdentifier getTalkgroup()
+    {
+        if(mTalkgroup == null)
+        {
+            mTalkgroup = DMRTalkgroup.create(getMessage().getInt(GROUP_ADDRESS));
+        }
+
+        return mTalkgroup;
+    }
+
+    @Override
+    public List<Identifier> getIdentifiers()
+    {
+        if(mIdentifiers == null)
+        {
+            mIdentifiers = new ArrayList<>();
+            mIdentifiers.add(getTalkgroup());
+            mIdentifiers.add(getRadio());
+        }
+
+        return mIdentifiers;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/shorty/ActivityUpdateMessage.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,7 +22,6 @@ package io.github.dsheirer.module.decode.dmr.message.data.lc.shorty;
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.module.decode.dmr.message.type.Activity;
-
 import java.util.Collections;
 import java.util.List;
 
@@ -55,13 +54,18 @@ public class ActivityUpdateMessage extends ShortLCMessage
         {
             sb.append("[CRC ERROR] ");
         }
-
-        sb.append("SLC ACTIVITY UPDATE TS1 [");
-        sb.append(getHashAddressTS1()).append("] ");
+        sb.append("SLC TS1:");
         sb.append(getActivityTS1());
-        sb.append(" / TS2 [");
-        sb.append(getHashAddressTS2()).append("] ");
+        if(getActivityTS1() != Activity.IDLE)
+        {
+            sb.append(" [").append(getHashAddressTS1()).append("]");
+        }
+        sb.append(" TS2:");
         sb.append(getActivityTS2());
+        if(getActivityTS2() != Activity.IDLE)
+        {
+            sb.append(" [").append(getHashAddressTS2()).append("]");
+        }
         sb.append(" MSG:").append(getMessage().toHexString());
         return sb.toString();
     }

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/shorty/CapacityPlusRestChannel.java

@@ -21,7 +21,7 @@ package io.github.dsheirer.module.decode.dmr.message.data.lc.shorty;
 
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
-import io.github.dsheirer.module.decode.dmr.channel.DMRLogicalChannel;
+import io.github.dsheirer.module.decode.dmr.channel.DmrRestLsn;
 import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRSite;
@@ -34,13 +34,11 @@ import java.util.List;
 public class CapacityPlusRestChannel extends ShortLCMessage implements ITimeslotFrequencyReceiver
 {
     private static final int[] UNKNOWN = new int[]{12, 13, 14};
-    //private static final int[] REST_REPEATER = new int[]{15, 16, 17, 18};
     private static final int[] REST_LSN = new int[]{15, 16, 17, 18, 19};
-    //private static final int[] REST_TIMESLOT = new int[]{19};
     private static final int[] SITE = new int[]{20, 21, 22, 23, 24};
     private static final int[] UNKNOWN_2 = new int[]{25, 26, 27};
 
-    private DMRLogicalChannel mRestChannel;
+    private DmrRestLsn mRestChannel;
     private DMRSite mSite;
     private List<Identifier> mIdentifiers;
 
@@ -63,7 +61,7 @@ public class CapacityPlusRestChannel extends ShortLCMessage implements ITimeslot
             sb.append("[CRC ERROR] ");
         }
         sb.append("SLC MOTOROLA CAP+ SITE:").append(getSite());
-        sb.append(" REST:").append(getRestChannel());
+        sb.append(" ").append(getRestChannel());
         sb.append(" MSG:").append(getMessage().toHexString());
         return sb.toString();
     }
@@ -84,11 +82,11 @@ public class CapacityPlusRestChannel extends ShortLCMessage implements ITimeslot
     /**
      * Rest Channel Number
      */
-    public DMRLogicalChannel getRestChannel()
+    public DmrRestLsn getRestChannel()
     {
         if(mRestChannel == null)
         {
-            mRestChannel = new DMRLogicalChannel(getRestRepeater(), getRestTimeslot());
+            mRestChannel = new DmrRestLsn(getRestLSN());
         }
 
         return mRestChannel;
@@ -103,26 +101,13 @@ public class CapacityPlusRestChannel extends ShortLCMessage implements ITimeslot
         return getMessage().getInt(REST_LSN);
     }
 
-    /**
-     * Rest repeater
-     */
-    public int getRestRepeater() { return (int) Math.ceil(getRestLSN() / 2.0); }
-
-    /**
-     * Rest timeslot
-     */
-    public int getRestTimeslot()
-    {
-        return (getRestLSN() % 2 == 0) ? 2 : 1;
-    }
-
     /**
      * Exposes the rest channel logical slot number so that a LSN to frequency map can be applied to this message.
      */
     @Override
-    public int[] getLogicalTimeslotNumbers()
+    public int[] getLogicalChannelNumbers()
     {
-        return getRestChannel().getLSNArray();
+        return getRestChannel().getLogicalChannelNumbers();
     }
 
     /**
@@ -132,13 +117,7 @@ public class CapacityPlusRestChannel extends ShortLCMessage implements ITimeslot
     @Override
     public void apply(List<TimeslotFrequency> timeslotFrequencies)
     {
-        for(TimeslotFrequency timeslotFrequency: timeslotFrequencies)
-        {
-            if(getRestChannel().getLogicalSlotNumber() == timeslotFrequency.getNumber())
-            {
-                getRestChannel().setTimeslotFrequency(timeslotFrequency);
-            }
-        }
+        getRestChannel().apply(timeslotFrequencies);
     }
 
     @Override

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/shorty/NullMessage.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -21,7 +21,6 @@ package io.github.dsheirer.module.decode.dmr.message.data.lc.shorty;
 
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
-
 import java.util.Collections;
 import java.util.List;
 
@@ -48,8 +47,7 @@ public class NullMessage extends ShortLCMessage
         {
             sb.append("[CRC ERROR] ");
         }
-        sb.append("SLC IDLE/NULL MESSAGE");
-        sb.append(" MSG:").append(getMessage().toHexString());
+        sb.append("SLC TS1:IDLE TS2:IDLE");
         return sb.toString();
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/packet/DMRPacketMessage.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,7 +23,6 @@ import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.module.decode.dmr.message.DMRMessage;
 import io.github.dsheirer.module.decode.ip.IPacket;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -75,6 +74,10 @@ public class DMRPacketMessage extends DMRMessage
         sb.append("CC:").append(getPacketSequence().getPacketSequenceHeader().getSlotType().getColorCode());
         sb.append(" FM:").append(getPacketSequence().getPacketSequenceHeader().getSourceLLID());
         sb.append(" TO:").append(getPacketSequence().getPacketSequenceHeader().getDestinationLLID());
+        if(getPacketSequence().isEncrypted())
+        {
+            sb.append(" ENCRYPTED");
+        }
         sb.append(" ").append(getPacket().toString());
         return sb.toString();
     }

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/packet/PacketSequence.java

@@ -24,6 +24,9 @@ import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.Preamble;
 import io.github.dsheirer.module.decode.dmr.message.data.header.PacketSequenceHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.ProprietaryDataHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.UDTHeader;
+import io.github.dsheirer.module.decode.dmr.message.data.header.hytera.HyteraDataEncryptionHeader;
+import io.github.dsheirer.module.decode.dmr.message.data.header.motorola.MotorolaDataEncryptionHeader;
+import io.github.dsheirer.module.decode.dmr.message.type.EncryptionAlgorithm;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -32,12 +35,12 @@ import java.util.List;
  */
 public class PacketSequence
 {
-    private int mTimeslot;
+    private final int mTimeslot;
     private PacketSequenceHeader mPacketSequenceHeader;
     private UDTHeader mUDTHeader;
     private ProprietaryDataHeader mProprietaryDataHeader;
-    private List<Preamble> mPreambles = new ArrayList<>();
-    private List<DataBlock> mDataBlocks = new ArrayList<>();
+    private final List<Preamble> mPreambles = new ArrayList<>();
+    private final List<DataBlock> mDataBlocks = new ArrayList<>();
 
     public PacketSequence(int timeslot)
     {
@@ -89,6 +92,27 @@ public class PacketSequence
         return false;
     }
 
+    /**
+     * Indicates if this sequence contains a Motorola data encryption header.
+     * @return true if so
+     */
+    public boolean isEncrypted()
+    {
+        if(hasProprietaryDataHeader())
+        {
+            if(getProprietaryDataHeader() instanceof MotorolaDataEncryptionHeader)
+            {
+                return true;
+            }
+            else if(getProprietaryDataHeader() instanceof HyteraDataEncryptionHeader hdeh)
+            {
+                return hdeh.getAlgorithm() != EncryptionAlgorithm.NO_ENCRYPTION;
+            }
+        }
+
+        return false;
+    }
+
     public int getTimeslot()
     {
         return mTimeslot;

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/packet/PacketSequenceMessageFactory.java

@@ -25,14 +25,19 @@ import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.block.DataBlock;
 import io.github.dsheirer.module.decode.dmr.message.data.header.HeaderMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.header.PacketSequenceHeader;
-import io.github.dsheirer.module.decode.dmr.message.data.header.ProprietaryDataHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.UDTHeader;
-import io.github.dsheirer.module.decode.dmr.message.data.header.hytera.HyteraProprietaryDataHeader;
+import io.github.dsheirer.module.decode.dmr.message.data.header.hytera.HyteraDataEncryptionHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.motorola.MNISProprietaryDataHeader;
+import io.github.dsheirer.module.decode.dmr.message.data.header.motorola.MotorolaDataEncryptionHeader;
 import io.github.dsheirer.module.decode.dmr.message.type.ApplicationType;
+import io.github.dsheirer.module.decode.dmr.message.type.DataPacketFormat;
+import io.github.dsheirer.module.decode.dmr.message.type.ServiceAccessPoint;
+import io.github.dsheirer.module.decode.ip.DefinedShortDataPacket;
 import io.github.dsheirer.module.decode.ip.UnknownPacket;
+import io.github.dsheirer.module.decode.ip.hytera.rrs.HyteraRrsPacket;
 import io.github.dsheirer.module.decode.ip.hytera.sds.HyteraTokenHeader;
 import io.github.dsheirer.module.decode.ip.hytera.sds.HyteraUnknownPacket;
+import io.github.dsheirer.module.decode.ip.hytera.shortdata.HyteraShortDataPacket;
 import io.github.dsheirer.module.decode.ip.hytera.sms.HyteraSmsPacket;
 import io.github.dsheirer.module.decode.ip.ipv4.IPV4Header;
 import io.github.dsheirer.module.decode.ip.ipv4.IPV4Packet;
@@ -164,24 +169,46 @@ public class PacketSequenceMessageFactory
                         packetSequence.getTimeslot(), packetSequence.getPacketSequenceHeader().getTimestamp());
             }
         }
-        else if(secondaryHeader instanceof HyteraProprietaryDataHeader)
+        else if(secondaryHeader instanceof HyteraDataEncryptionHeader hdeh)
         {
-            HyteraTokenHeader hyteraTokenHeader = new HyteraTokenHeader(packet);
+            ServiceAccessPoint sap = hdeh.getServiceAccessPoint();
 
-            if(hyteraTokenHeader.isSMSMessage())
+            switch(sap)
             {
-                return new DMRPacketMessage(packetSequence, new HyteraSmsPacket(hyteraTokenHeader), packet,
-                        packetSequence.getTimeslot(), packetSequence.getPacketSequenceHeader().getTimestamp());
-            }
-            else
-            {
-                return new DMRPacketMessage(packetSequence, new HyteraUnknownPacket(hyteraTokenHeader), packet,
-                        packetSequence.getTimeslot(), packetSequence.getPacketSequenceHeader().getTimestamp());
+                case SHORT_DATA:
+                    return new DMRPacketMessage(packetSequence, new HyteraShortDataPacket(packetSequence, packet), packet,
+                            packetSequence.getTimeslot(), packetSequence.getPacketSequenceHeader().getTimestamp());
+                case PROPRIETARY_DATA:
+                    HyteraTokenHeader hyteraTokenHeader = new HyteraTokenHeader(packet);
+                    if(hyteraTokenHeader.isSMSMessage())
+                    {
+                        return new DMRPacketMessage(packetSequence, new HyteraSmsPacket(hyteraTokenHeader), packet,
+                                packetSequence.getTimeslot(), packetSequence.getPacketSequenceHeader().getTimestamp());
+                    }
+                    else
+                    {
+                        return new DMRPacketMessage(packetSequence, new HyteraUnknownPacket(hyteraTokenHeader), packet,
+                                packetSequence.getTimeslot(), packetSequence.getPacketSequenceHeader().getTimestamp());
+                    }
+                default:
+                    return new DMRPacketMessage(packetSequence, new UnknownPacket(packet, 0), packet,
+                            packetSequence.getTimeslot(), packetSequence.getPacketSequenceHeader().getTimestamp());
             }
         }
+        else if(secondaryHeader instanceof MotorolaDataEncryptionHeader &&
+                packetSequence.getPacketSequenceHeader().getDataPacketFormat() == DataPacketFormat.DEFINED_SHORT_DATA)
+        {
+            return createDefinedShortData(packetSequence, packet);
+        }
         else
         {
-            mLog.info("Unknown Proprietary Packet Header Type - creating unknown packet.");
+            if(packetSequence.getProprietaryDataHeader() != null)
+            {
+                mLog.info("Unknown Proprietary Packet Header Type - creating unknown packet. Data Packet Format: " +
+                        packetSequence.getPacketSequenceHeader().getDataPacketFormat() + " Proprietary Header: " +
+                        packetSequence.getProprietaryDataHeader().getClass());
+            }
+
             return new DMRPacketMessage(packetSequence, new UnknownPacket(packet, 0), packet,
                 packetSequence.getTimeslot(), packetSequence.getPacketSequenceHeader().getTimestamp());
         }
@@ -217,9 +244,19 @@ public class PacketSequenceMessageFactory
      */
     public static IMessage createDefinedShortData(PacketSequence packetSequence, CorrectedBinaryMessage packet)
     {
-        mLog.info("Unknown Short Data Packet Header Type - creating unknown packet.");
-        return new DMRPacketMessage(packetSequence, new UnknownPacket(packet, 0), packet,
-            packetSequence.getTimeslot(), packetSequence.getPacketSequenceHeader().getTimestamp());
+        //Test to see if this is Hytera Radio Registration Service (RRS)
+        HyteraTokenHeader hyteraTokenHeader = new HyteraTokenHeader(packet);
+
+        if(hyteraTokenHeader.isRRSMessage())
+        {
+            return new DMRPacketMessage(packetSequence, new HyteraRrsPacket(hyteraTokenHeader), packet,
+                    packetSequence.getTimeslot(), packetSequence.getPacketSequenceHeader().getTimestamp());
+        }
+        else
+        {
+            return new DMRPacketMessage(packetSequence, new DefinedShortDataPacket(packet, 0), packet,
+                    packetSequence.getTimeslot(), packetSequence.getPacketSequenceHeader().getTimestamp());
+        }
     }
 
     /**
@@ -235,7 +272,7 @@ public class PacketSequenceMessageFactory
 
         if(sequence.hasProprietaryDataHeader())
         {
-            CorrectedBinaryMessage prefix = ((ProprietaryDataHeader)sequence.getProprietaryDataHeader()).getPacketPrefix();
+            CorrectedBinaryMessage prefix = sequence.getProprietaryDataHeader().getPacketPrefix();
 
             if(prefix != null)
             {

src/main/java/io/github/dsheirer/module/decode/dmr/message/type/CapacityPlusServiceOptions.java

@@ -83,7 +83,7 @@ public class CapacityPlusServiceOptions extends ServiceOptions
 
         if(isInterruptible())
         {
-            flags.add("TXI CALL");
+            flags.add("INTERRUPTIBLE CALL"); //Indicates another user can interrupt this call
         }
 
         if(getPriority() > 0)

src/main/java/io/github/dsheirer/module/decode/dmr/message/type/EncryptionAlgorithm.java

@@ -0,0 +1,82 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.type;
+
+/**
+ * Enumeration of encryption algorithms
+ */
+public enum EncryptionAlgorithm
+{
+    NO_ENCRYPTION(0x00, "NO ENCRYPTION"),
+    HYTERA_BASIC_PRIVACY(0x01, "HYTERA BP"),
+    HYTERA_ENHANCED_PRIVACY(0x02, "HYTERA RC4/EP"),
+    DMRA_RC4(0x21, "DMRA RC4/EP"),
+    DMRA_AES128(0x24, "DMRA AES128"),
+    DMRA_AES256(0x25, "DMRA AES256" ),
+    HYTERA_ENHANCED_PRIVACY_2(0x26, "HYTERA RC4/EP"),
+    UNKNOWN(-1, "UNKNOWN");
+
+    private final int mValue;
+    private final String mLabel;
+
+    /**
+     * Constructor
+     * @param value for the algorithm
+     * @param label to display
+     */
+    EncryptionAlgorithm(int value, String label)
+    {
+        mValue = value;
+        mLabel = label;
+    }
+
+    /**
+     * Numeric value for the algorithm
+     * @return value.
+     */
+    public int getValue()
+    {
+        return mValue;
+    }
+
+    /**
+     * Utility method to lookup the encryption from the value.
+     * @param value to lookup
+     * @return matching entry or UNKNOWN
+     */
+    public static EncryptionAlgorithm fromValue(int value)
+    {
+        for(EncryptionAlgorithm algorithm: EncryptionAlgorithm.values())
+        {
+            if(algorithm.getValue() == value)
+            {
+                return algorithm;
+            }
+        }
+
+        return UNKNOWN;
+    }
+
+    @Override
+    public String toString()
+    {
+        return mLabel;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/EMB.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -21,18 +21,16 @@ package io.github.dsheirer.module.decode.dmr.message.voice;
 
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.module.decode.dmr.message.type.LCSS;
+import java.util.HashSet;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.HashSet;
-
 /**
  * DMR Voice Frame B-F Embedded Signalling Chunk
  */
 public class EMB
 {
     private final static Logger mLog = LoggerFactory.getLogger(EMB.class);
-    public static final int[] CRC_CHECKSUMS = new int[]{0x02F, 0x11E, 0x1B7, 0x1E2, 0x1C9, 0x0E5, 0x073};
     private static final int[] VALID_WORDS = new int[]{
         0x0000, 0x0273, 0x04E5, 0x0696, 0x09C9, 0x0BBA, 0x0D2C, 0x0F5F, 0x11E2, 0x1391, 0x1507, 0x1774, 0x182B, 0x1A58,
         0x1CCE, 0x1EBD, 0x21B7, 0x23C4, 0x2552, 0x2721, 0x287E, 0x2A0D, 0x2C9B, 0x2EE8, 0x3055, 0x3226, 0x34B0, 0x36C3,

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/VoiceEMBMessage.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,6 +23,7 @@ import io.github.dsheirer.bits.BinaryMessage;
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
 import io.github.dsheirer.module.decode.dmr.message.CACH;
+import io.github.dsheirer.module.decode.dmr.message.voice.embedded.EmbeddedParameters;
 
 /**
  * DMR Voice Frames B - F
@@ -35,6 +36,7 @@ public class VoiceEMBMessage extends VoiceMessage
     private static final int PAYLOAD_END = 172;
 
     private EMB mEMB;
+    private EmbeddedParameters mEmbeddedParameters;
 
     /**
      * DMR message frame.  This message is comprised of a 24-bit prefix and a 264-bit message frame.  Outbound base
@@ -61,7 +63,11 @@ public class VoiceEMBMessage extends VoiceMessage
 
         sb.append(getSyncPattern().toString());
 
-        if(getEMB().isValid() && getEMB().isEncrypted())
+        if(hasEmbeddedParameters())
+        {
+            sb.append(" ").append(getEmbeddedParameters());
+        }
+        else if(getEMB().isValid() && getEMB().isEncrypted())
         {
             sb.append(" ENCRYPTED");
         }
@@ -97,4 +103,34 @@ public class VoiceEMBMessage extends VoiceMessage
     {
         return getMessage().getSubMessage(PAYLOAD_START, PAYLOAD_END);
     }
+
+    /**
+     * Optional embedded parameters for this voice super-frame.
+     * @return encryption parameters or null.
+     */
+    public EmbeddedParameters getEmbeddedParameters()
+    {
+        return mEmbeddedParameters;
+    }
+
+    /**
+     * Sets the embedded parameters for this voice message that apply to the entire voice super-frame.
+     *
+     * These parameters are normally extracted by an external process and applied to voice frame F and the parameters
+     * apply to the entire voice super-frame.
+     * @param embeddedParameters to set
+     */
+    public void setEmbeddedParameters(EmbeddedParameters embeddedParameters)
+    {
+        mEmbeddedParameters = embeddedParameters;
+    }
+
+    /**
+     * Indicates if this voice message contains embedded parameters.
+     * @return true if it contains.
+     */
+    public boolean hasEmbeddedParameters()
+    {
+        return mEmbeddedParameters != null;
+    }
 }

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/VoiceMessage.java

@@ -1,3 +1,22 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.module.decode.dmr.message.voice;
 
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
@@ -5,7 +24,6 @@ import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
 import io.github.dsheirer.module.decode.dmr.message.CACH;
 import io.github.dsheirer.module.decode.dmr.message.DMRBurst;
-
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -15,6 +33,14 @@ import java.util.List;
  */
 public abstract class VoiceMessage extends DMRBurst
 {
+    /**
+     * Initialization vector (IV) fragments can be embedded into the AMBE voice frame for late entry to encrypted calls
+     * using bits 71, 67, 63, and 59 from the interleaved (ie transmitted order) voice frame.
+     */
+    public static int[] FRAME_1_IV_FRAGMENT = new int[]{95, 91, 87, 83};
+    public static int[] FRAME_2_IV_FRAGMENT = new int[]{215, 211, 207, 203};
+    public static int[] FRAME_3_IV_FRAGMENT = new int[]{287, 283, 279, 275};
+
     /**
      * DMR message frame.  This message is comprised of a 24-bit prefix and a 264-bit message frame.  Outbound base
      * station frames transmit a Common Announcement Channel (CACH) in the 24-bit prefix, whereas Mobile inbound frames
@@ -65,6 +91,24 @@ public abstract class VoiceMessage extends DMRBurst
         return frames;
     }
 
+    /**
+     * Extracts the four low-order bits from the deinterleaved C3 vector of each of the three AMBE frames that carry
+     * fragments of the initialization vector (IV) for encrypted calls.  Since we don't have access to the deinterleaved
+     * voice frame here, we perform delinterleaving of the 4-bit nibble using the FRAME_x_IV_FRAGMENT constants.
+     * <p>
+     * See patent: https://patents.google.com/patent/EP2347540B1/en
+     *
+     * @return a three-byte array with the low-order four bits from each frame's C3 vector stored in the low nibble.
+     */
+    public byte[] getIvFragments()
+    {
+        byte[] fragments = new byte[3];
+        fragments[0] = (byte)getMessage().getInt(FRAME_1_IV_FRAGMENT);
+        fragments[1] = (byte)getMessage().getInt(FRAME_2_IV_FRAGMENT);
+        fragments[2] = (byte)getMessage().getInt(FRAME_3_IV_FRAGMENT);
+        return fragments;
+    }
+
     @Override
     public boolean isValid()
     {

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/VoiceSuperFrameProcessor.java

@@ -0,0 +1,274 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.voice;
+
+import io.github.dsheirer.bits.BinaryMessage;
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.edac.BPTC_16_2;
+import io.github.dsheirer.edac.Golay24;
+import io.github.dsheirer.module.decode.dmr.message.IServiceOptionsProvider;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.full.FullLCMessage;
+import io.github.dsheirer.module.decode.dmr.message.voice.embedded.EmbeddedParameters;
+import io.github.dsheirer.module.decode.dmr.message.voice.embedded.EncryptionParameters;
+import io.github.dsheirer.module.decode.dmr.message.voice.embedded.NonStandardShortBurst;
+import io.github.dsheirer.module.decode.dmr.message.voice.embedded.NullShortBurst;
+import io.github.dsheirer.module.decode.dmr.message.voice.embedded.ShortBurst;
+import io.github.dsheirer.module.decode.dmr.message.voice.embedded.ShortBurstOpcode;
+import io.github.dsheirer.module.decode.dmr.message.voice.embedded.TransmitInterrupt;
+import io.github.dsheirer.module.decode.dmr.message.voice.embedded.UnknownShortBurst;
+
+/**
+ * Monitors audio call voice frame messaging to detect encrypted audio calls and extract the encryption parameters
+ * that are embedded into the six voice frames that comprise a voice super-frame.
+ * <p>
+ * See patent: <a href="https://patents.google.com/patent/EP2347540B1/en">...</a> - embedding encryption parameters in voice super frame
+ * See patent: <a href="https://patents.google.com/patent/US8271009B2">...</a> - TXI - interrupting voice transmissions
+ */
+public class VoiceSuperFrameProcessor
+{
+    private static final int[] IV = new int[]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 24, 25, 26, 27, 28, 29, 30, 31, 32,
+            33, 34, 35, 48, 49, 50, 51, 52, 53, 54, 55};
+    private static final int[] CRC4 = new int[]{56, 57, 58, 59};
+    private boolean mEncrypted = false;
+    private byte[] mFragmentA;
+    private byte[] mFragmentB;
+    private byte[] mFragmentC;
+    private byte[] mFragmentD;
+    private byte[] mFragmentE;
+
+    /**
+     * Constructor.
+     */
+    public VoiceSuperFrameProcessor()
+    {
+    }
+
+    /**
+     * Indicates if this collector is in collecting mode.
+     *
+     * @return true if collecting.
+     */
+    public boolean isCollecting()
+    {
+        return mEncrypted;
+    }
+
+    /**
+     * Fully resets this collector
+     */
+    public void reset()
+    {
+        mEncrypted = false;
+        softReset();
+    }
+
+    private void softReset()
+    {
+        mFragmentA = null;
+        mFragmentB = null;
+        mFragmentC = null;
+        mFragmentD = null;
+        mFragmentE = null;
+    }
+
+    /**
+     * Indicates if the IV fragments from voice frames A-E have been collected and this is an encrypted call.
+     *
+     * @return true if the fragments are non-null.
+     */
+    private boolean isComplete()
+    {
+        return mEncrypted && mFragmentA != null && mFragmentB != null && mFragmentC != null && mFragmentD != null &&
+                mFragmentE != null;
+    }
+
+    /**
+     * Process full link control message to determine if the current call sequence is encrypted.
+     * @param flc to inspect
+     */
+    public void process(FullLCMessage flc)
+    {
+        if(flc instanceof IServiceOptionsProvider provider && provider.getServiceOptions().isEncrypted())
+        {
+            mEncrypted = true;
+        }
+    }
+
+    /**
+     * Processes the voice frame to extract the IV fragments and the encryption parameters.
+     *
+     * @param voiceMessage to process.
+     */
+    public void process(VoiceMessage voiceMessage)
+    {
+        if(voiceMessage instanceof VoiceEMBMessage voiceEMB)
+        {
+            if(voiceEMB.getEMB().isValid() && voiceEMB.getEMB().isEncrypted())
+            {
+                mEncrypted = true;
+            }
+        }
+
+        switch(voiceMessage.getSyncPattern())
+        {
+            case BASE_STATION_VOICE:
+                mFragmentA = voiceMessage.getIvFragments();
+                break;
+            case BS_VOICE_FRAME_B:
+                mFragmentB = voiceMessage.getIvFragments();
+                break;
+            case BS_VOICE_FRAME_C:
+                mFragmentC = voiceMessage.getIvFragments();
+                break;
+            case BS_VOICE_FRAME_D:
+                mFragmentD = voiceMessage.getIvFragments();
+                break;
+            case BS_VOICE_FRAME_E:
+                mFragmentE = voiceMessage.getIvFragments();
+                break;
+            case BS_VOICE_FRAME_F:
+                if(voiceMessage instanceof VoiceEMBMessage voiceFrame6)
+                {
+                    BinaryMessage frameFFragment = voiceFrame6.getFLCFragment();
+                    ShortBurst shortBurst = extractShortBurst(frameFFragment);
+                    EmbeddedParameters embeddedParameters = new EmbeddedParameters(shortBurst);
+
+                    if(isComplete())
+                    {
+                        String iv = extractIV(voiceMessage.getIvFragments());
+                        embeddedParameters.setIv(iv);
+                    }
+
+                    voiceFrame6.setEmbeddedParameters(embeddedParameters);
+                }
+                softReset();
+                break;
+        }
+    }
+
+    /**
+     * Processes the short burst from the Voice Frame F FLC fragment payload and combines with the optionally available
+     * initialization vector to return a parameters object.
+     *
+     * @param frameFFragment containing the short-burst FLC fragment
+     * @return embedded parameters.
+     */
+    private ShortBurst extractShortBurst(BinaryMessage frameFFragment)
+    {
+        CorrectedBinaryMessage decoded = BPTC_16_2.decodeShortBurst(new CorrectedBinaryMessage(frameFFragment));
+
+        if(decoded == null)
+        {
+            return new NonStandardShortBurst(BPTC_16_2.deinterleave(new CorrectedBinaryMessage(frameFFragment)));
+        }
+
+        ShortBurstOpcode opcode = ShortBurst.getOpcode(decoded);
+        return switch(opcode)
+        {
+            case NULL -> new NullShortBurst(decoded);
+            case ARC4_ENCRYPTION, AES128_ENCRYPTION, AES256_ENCRYPTION -> new EncryptionParameters(decoded);
+            case TXI_DELAY -> new TransmitInterrupt(decoded);
+            default -> new UnknownShortBurst(decoded);
+        };
+    }
+
+    /**
+     * Extracts the encryption initialization vector (IV) from the voice frame fragments, performs error detection and
+     * correction and if the error correction passes, returns the hex string version of the 32-bit IV.
+     *
+     * @param mFragmentF voice frame 6 IV fragments.
+     * @return 32-bit IV as hex string or null if the extraction process couldn't extract/correct the IV.
+     */
+    private String extractIV(byte[] mFragmentF)
+    {
+        CorrectedBinaryMessage reassembled = new CorrectedBinaryMessage(72);
+        reassembled.setByte(0, combine(mFragmentA[0], mFragmentB[0]));
+        reassembled.setByte(8, combine(mFragmentC[0], mFragmentD[0]));
+        reassembled.setByte(16, combine(mFragmentE[0], mFragmentF[0]));
+        reassembled.setByte(24, combine(mFragmentA[1], mFragmentB[1]));
+        reassembled.setByte(32, combine(mFragmentC[1], mFragmentD[1]));
+        reassembled.setByte(40, combine(mFragmentE[1], mFragmentF[1]));
+        reassembled.setByte(48, combine(mFragmentA[2], mFragmentB[2]));
+        reassembled.setByte(56, combine(mFragmentC[2], mFragmentD[2]));
+        reassembled.setByte(64, combine(mFragmentE[2], mFragmentF[2]));
+
+        int check1 = Golay24.checkAndCorrect(reassembled, 0);
+        int check2 = Golay24.checkAndCorrect(reassembled, 24);
+        int check3 = Golay24.checkAndCorrect(reassembled, 48);
+
+        if(check1 == 2 || check2 == 2 || check3 == 2)
+        {
+            return null;
+        }
+
+        int iv = reassembled.getInt(IV);
+        int checksum = reassembled.getInt(CRC4);
+
+        boolean passes = crc4(iv, checksum);
+
+        if(passes)
+        {
+            return String.format("%08X", iv);
+        }
+        else
+        {
+            return String.format("%08X", iv) + "(CRC-FAIL " + check1 + "/" + check2 + "/" + check3 + "/" +
+                    reassembled.getCorrectedBitCount() + ")";
+        }
+    }
+
+    /**
+     * Combines the low nibble from the hi byte with the low nibble from the lo byte
+     *
+     * @param high byte containing a low order nibble
+     * @param low byte containing a low order nibble
+     * @return low order nibbles from hi and lo bytes combined.
+     */
+    private byte combine(byte high, byte low)
+    {
+        return (byte)(((high & 0xF) << 4) | (low & 0xF));
+    }
+
+    /**
+     * Calculates a CRC value from the polynomial: x4 + x1 + 1  (0x13) using an initial fill of 0xF.
+     * @param value to calculate CRC from
+     * @param crc to compare
+     * @return true if the calculated CRC from the value matches the crc argument value.
+     */
+    public static boolean crc4(int value, int crc)
+    {
+        long checksum = (value & 0x0FFFFFFFFL) << 4;
+        checksum ^= 0xF; //Initial fill
+        long polynomial = 0x013L << 31;
+        long checkBit = 0x1L << 35;
+
+        for(int x = 31; x >= 0; x--)
+        {
+            if((checksum & checkBit) == checkBit)
+            {
+                checksum ^= polynomial;
+            }
+            polynomial >>= 1;
+            checkBit >>= 1;
+        }
+
+        return (int)checksum == crc;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/embedded/EmbeddedParameters.java

@@ -0,0 +1,90 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.voice.embedded;
+
+/**
+ * Parameters that are embedded in a DMR voice super frame.
+ * @param algorithm identifier
+ * @param key identifier
+ * @param iv initialization vector
+ */
+public class EmbeddedParameters
+{
+    private ShortBurst mShortBurst;
+    private String mIv;
+
+    /**
+     * Constructor
+     * @param shortBurst payload
+     * @param iv initialization vector extracted from DMR voice super-frame
+     */
+    public EmbeddedParameters(ShortBurst shortBurst)
+    {
+        mShortBurst = shortBurst;
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append(getShortBurst());
+        if(hasIv())
+        {
+            sb.append(" IV:").append(getIv());
+        }
+        return sb.toString();
+    }
+
+    /**
+     * Short Burst payload message
+     * @return short burst
+     */
+    public ShortBurst getShortBurst()
+    {
+        return mShortBurst;
+    }
+
+    /**
+     * Optional initialization vector (IV) decoded from the voice super-frame
+     * @return iv
+     */
+    public String getIv()
+    {
+        return mIv;
+    }
+
+    /**
+     * Sets the optional IV value.
+     * @param iv to set
+     */
+    public void setIv(String iv)
+    {
+        mIv = iv;
+    }
+
+    /**
+     * Indicates if the optional IV is included.
+     * @return true if included
+     */
+    public boolean hasIv()
+    {
+        return mIv != null;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/embedded/EncryptionParameters.java

@@ -0,0 +1,95 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.voice.embedded;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.module.decode.dmr.message.type.EncryptionAlgorithm;
+
+/**
+ * Encryption parameters short burst payload.
+ */
+public class EncryptionParameters extends ShortBurst
+{
+    private static final int[] KEY = new int[]{0, 1, 2, 3, 4, 5, 6, 7};
+    private static final int[] ALGORITHM = new int[]{8, 9, 10};
+
+    /**
+     * Constructor
+     *
+     * @param message containing the de-interleaved and error-corrected short burst payload.
+     */
+    public EncryptionParameters(CorrectedBinaryMessage message)
+    {
+        super(message);
+    }
+
+    /**
+     * Encryption key ID
+     * @return key ID
+     */
+    public int getKey()
+    {
+        return getMessage().getInt(KEY);
+    }
+
+    /**
+     * Encryption algorithm value
+     * @return algorithm (0 - 7).
+     */
+    public int getAlgorithmValue()
+    {
+        return getMessage().getInt(ALGORITHM);
+    }
+
+    /**
+     * Encryption algorithm.
+     * @return algorithm
+     */
+    public EncryptionAlgorithm getAlgorithm()
+    {
+        int algorithm = getAlgorithmValue();
+
+        return switch(algorithm)
+        {
+            case 1 -> EncryptionAlgorithm.DMRA_RC4;
+            case 4 -> EncryptionAlgorithm.DMRA_AES128;
+            case 5 -> EncryptionAlgorithm.DMRA_AES256;
+            default -> EncryptionAlgorithm.UNKNOWN;
+        };
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+
+        sb.append("ENCRYPTION ALGORITHM:");
+        if(getAlgorithm() == EncryptionAlgorithm.UNKNOWN)
+        {
+            sb.append(getAlgorithmValue());
+        }
+        else
+        {
+            sb.append(getAlgorithm());
+        }
+        sb.append(" KEY:").append(getKey());
+        return sb.toString();
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/embedded/NonStandardShortBurst.java

@@ -0,0 +1,44 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.voice.embedded;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+
+/**
+ * Short burst payload that doesn't pass the BPTC 16 fec check.
+ */
+public class NonStandardShortBurst extends ShortBurst
+{
+    /**
+     * Constructor
+     *
+     * @param message containing the delinterleaved and error-corrected short burst payload.
+     */
+    public NonStandardShortBurst(CorrectedBinaryMessage message)
+    {
+        super(message);
+    }
+
+    @Override
+    public String toString()
+    {
+        return "NON-STANDARD SHORT BURST:" + getMessage().toHexString();
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/embedded/NullShortBurst.java

@@ -0,0 +1,45 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.voice.embedded;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+
+/**
+ * Null (empty) short burst
+ */
+public class NullShortBurst extends ShortBurst
+{
+    /**
+     * Constructor
+     *
+     * @param message containing the delinterleaved and error-corrected short burst payload.
+     */
+    public NullShortBurst(CorrectedBinaryMessage message)
+    {
+        super(message);
+        setValid(passesCRC3());
+    }
+
+    @Override
+    public String toString()
+    {
+        return "NULL SHORT BURST";
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/embedded/ShortBurst.java

@@ -0,0 +1,134 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.voice.embedded;
+
+import io.github.dsheirer.bits.BinaryMessage;
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+
+/**
+ * Base class for DMR Voice Frame F Short Burst from the EMB payload.
+ */
+public abstract class ShortBurst
+{
+    private static final int[] CRC3 = new int[]{0, 1, 2};
+    private static final int[] OPCODE = new int[]{8, 9, 10};
+    private static final int[] FULL_MESSAGE = new int[]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+
+    private CorrectedBinaryMessage mMessage;
+    private boolean mValid = true;
+
+    /**
+     * Constructor
+     *
+     * @param message containing the delinterleaved and error-corrected short burst payload.
+     */
+    public ShortBurst(CorrectedBinaryMessage message)
+    {
+        mMessage = message;
+    }
+
+    /**
+     * Access the underlying message.
+     *
+     * @return message
+     */
+    public CorrectedBinaryMessage getMessage()
+    {
+        return mMessage;
+    }
+
+    /**
+     * Indicates if this message passes any CRC checks.
+     * @return
+     */
+    public boolean isValid()
+    {
+        return mValid;
+    }
+
+    /**
+     * Sets the valid CRC flag for this message
+     * @param valid true or false
+     */
+    protected void setValid(boolean valid)
+    {
+        mValid = valid;
+    }
+
+    /**
+     * Numeric opcode value.
+     *
+     * @return value.
+     */
+    public int getOpcodeValue()
+    {
+        return getMessage().getInt(OPCODE);
+    }
+
+    /**
+     * Opcode for this message.
+     *
+     * @return opcode
+     */
+    public ShortBurstOpcode getOpcode()
+    {
+        return getOpcode(getMessage());
+    }
+
+    /**
+     * Static utility method to lookup the opcode from a short burst message.
+     *
+     * @param message containing a short burst
+     * @return opcode
+     */
+    public static ShortBurstOpcode getOpcode(BinaryMessage message)
+    {
+        return ShortBurstOpcode.fromValue(message.getInt(OPCODE));
+    }
+
+    /**
+     * Checks the message to determine if it passes for a CRC3.  Not all Short Burst messages use the CRC3 check.
+     *
+     * @return true if it passes.
+     */
+    public boolean passesCRC3()
+    {
+        int checksum = getMessage().getInt(FULL_MESSAGE);
+        int polynomial = 0xB << 7;
+        int checkBit = 0x1 << 10;
+
+        for(int x = 10; x >= 0; x--)
+        {
+            if(checksum == 0)
+            {
+                return true;
+            }
+
+            if((checksum & checkBit) == checkBit)
+            {
+                checksum ^= polynomial;
+            }
+            polynomial >>= 1;
+            checkBit >>= 1;
+        }
+
+        return checksum == 0;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/embedded/ShortBurstOpcode.java

@@ -0,0 +1,72 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.voice.embedded;
+
+/**
+ * Short Burst opcode
+ * See: <a href="https://patents.google.com/patent/US8271009B2">...</a> Page 12
+ */
+public enum ShortBurstOpcode
+{
+    NULL(0),
+    ARC4_ENCRYPTION(1),
+    TXI_DELAY(3),
+    AES128_ENCRYPTION(4),
+    AES256_ENCRYPTION(5),
+    UNKNOWN(-1);
+
+    private final int mValue;
+
+    /**
+     * Constructor
+     * @param value of the opcode
+     */
+    ShortBurstOpcode(int value)
+    {
+        mValue = value;
+    }
+
+    /**
+     * Numeric value for the opcode
+     * @return value.
+     */
+    private int getValue()
+    {
+        return mValue;
+    }
+
+    /**
+     * Lookup the enum entry from the specified value.
+     * @param value to lookup
+     * @return matching entry or UNKNOWN.
+     */
+    public static ShortBurstOpcode fromValue(int value)
+    {
+        for(ShortBurstOpcode opcode: ShortBurstOpcode.values())
+        {
+            if(opcode.getValue() == value)
+            {
+                return opcode;
+            }
+        }
+
+        return UNKNOWN;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/embedded/TransmitInterrupt.java

@@ -0,0 +1,74 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.voice.embedded;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+
+/**
+ * Transmit Interrupt short burst
+ * <p>
+ * See: https://patents.google.com/patent/US8271009B2
+ */
+public class TransmitInterrupt extends ShortBurst
+{
+    private static final int[] DELAY = new int[]{3, 4, 5, 6, 7};
+
+    /**
+     * Constructor
+     *
+     * @param message containing the delinterleaved and error-corrected short burst payload.
+     */
+    public TransmitInterrupt(CorrectedBinaryMessage message)
+    {
+        super(message);
+        setValid(passesCRC3());
+    }
+
+    @Override
+    public String toString()
+    {
+        return "TRANSMIT INTERRUPT (TXI) AT " + getDelay();
+    }
+
+    /**
+     * Delay to when another radio can interrupt the current call.
+     * @return delay string.
+     */
+    public String getDelay()
+    {
+        int value = getMessage().getInt(DELAY);
+
+        switch(value)
+        {
+            case 0:
+                return "ANY TIME";
+            case 2:
+                return "FRAME E";
+            case 4:
+                return "FRAME D";
+            case 6:
+                return "FRAME C";
+            case 8:
+                return "FRAME B";
+            default:
+                return "UNKNOWN(" + value + ")";
+        }
+    }
+}