Ensures that any leftover cached LDU1 message is reset when the call ends.

244 Prevent P25 Encrypted Audio Decoding/Playback

build/build.xml

@@ -7,7 +7,7 @@
   <property name="major" value="0"/>
   <property name="minor" value="3"/>
   <property name="patch" value="0"/>
-  <property name="release" value="-beta8"/>
+  <property name="release" value="-beta12"/>
   <property name="filename" value="sdrtrunk_${major}.${minor}.${patch}${release}"/>
     
   <!-- Build properties -->

src/audio/AudioChannelPanel.java

@@ -90,7 +90,8 @@ public class AudioChannelPanel extends JPanel
 
     private void init()
     {
-        setLayout(new MigLayout("align center center, insets 0 0 0 0", "[][][align right]0[grow,fill]", ""));
+        setLayout(new MigLayout("align center center, insets 0 0 0 0",
+            "[][][align right]0[grow,fill]", ""));
         setBackground(mBackgroundColor);
 
         mMutedLabel.setFont(mFont);
@@ -109,7 +110,7 @@ public class AudioChannelPanel extends JPanel
 
         mTo.setFont(mFont);
         mTo.setForeground(mValueColor);
-        add(mTo);
+        add(mTo,"wmin 10lp");
     }
 
     @Override
@@ -159,29 +160,39 @@ public class AudioChannelPanel extends JPanel
      * does not occur on the Swing event thread -- wrap any calls to this
      * method with an event thread call.
      */
-    private void updateLabel(JLabel valueLabel, String value, JLabel aliasLabel, Alias alias)
+    private void updateLabel(JLabel textLabel, String value, JLabel iconLabel, Alias alias)
     {
         if(value != null)
         {
 
             if(alias != null)
             {
-                valueLabel.setText(alias.getName());
+                iconLabel.setIcon(mIconManager.getIcon(alias.getIconName(), 18));
-                aliasLabel.setIcon(mIconManager.getIcon(alias.getIconName(), 18));
-            }
-            else
-            {
-                valueLabel.setText(value);
-                aliasLabel.setIcon(null);
-            }
-        }
-        else
-        {
-            valueLabel.setText("-----");
-            aliasLabel.setIcon(null);
-        }
-    }
 
+                String aliasName = alias.getName();
+
+                //Truncate label if length exceeds 33 characters - hack!
+                if(aliasName.length() > 33)
+                {
+                    textLabel.setText(aliasName.substring(0,30) + "...");
+                }
+                else
+                {
+                    textLabel.setText(aliasName);
+                }
+            }
+            else
+            {
+                iconLabel.setIcon(null);
+                textLabel.setText(value);
+            }
+        }
+        else
+        {
+            iconLabel.setIcon(null);
+            textLabel.setText("-----");
+        }
+    }
 
     /**
      * Processes audio metadata to update this panel's display values

src/audio/AudioChannelsPanel.java

@@ -33,8 +33,7 @@ public class AudioChannelsPanel extends JPanel
 
     public AudioChannelsPanel(IconManager iconManager, SettingsManager settingsManager, IAudioController controller)
     {
-//        setLayout(new MigLayout("insets 0 0 0 0", "[][grow,fill][][grow,fill]", "[grow,fill]"));
+        setLayout(new MigLayout("insets 0 0 0 0", "[][sg abc,grow,fill][][sg abc,grow,fill]", "[grow,fill]"));
-        setLayout(new MigLayout("insets 0 0 0 0", "[][sg,grow,fill][][sg,grow,fill]", "[grow,fill]"));
 
         setBackground(Color.BLACK);
 
@@ -44,7 +43,7 @@ public class AudioChannelsPanel extends JPanel
 
         for(int x = 0; x < outputs.size(); x++)
         {
-            add(new AudioChannelPanel(iconManager, settingsManager, outputs.get(x)), "growx");
+            add(new AudioChannelPanel(iconManager, settingsManager, outputs.get(x)));
 
             if(x < outputs.size() - 1)
             {

src/channel/traffic/TrafficChannelManager.java

@@ -63,13 +63,11 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
     private Listener<CallEvent> mCallEventListener;
 
     private ChannelModel mChannelModel;
-    private ChannelProcessingManager mChannelProcessingManager;
     private DecodeConfiguration mDecodeConfiguration;
     private RecordConfiguration mRecordConfiguration;
     private String mSystem;
     private String mSite;
     private String mAliasListName;
-    private CallEvent mPreviousDoNotMonitorCallEvent;
 
     /**
      * Monitors call events and allocates traffic decoder channels in response
@@ -77,7 +75,6 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
      * traffic channel allocations.
      *
      * @param channelModel containing channels currently in use
-     * @param channelProcessingManager
      * @param decodeConfiguration - decoder configuration to use for each
      * traffic channel allocation.
      * @param recordConfiguration - recording options for each traffic channel
@@ -88,7 +85,6 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
      * in the pool
      */
     public TrafficChannelManager(ChannelModel channelModel,
-                                 ChannelProcessingManager channelProcessingManager,
                                  DecodeConfiguration decodeConfiguration,
                                  RecordConfiguration recordConfiguration,
                                  String system,
@@ -97,7 +93,6 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
                                  int trafficChannelPoolSize)
     {
         mChannelModel = channelModel;
-        mChannelProcessingManager = channelProcessingManager;
         mDecodeConfiguration = decodeConfiguration;
         mRecordConfiguration = recordConfiguration;
         mSystem = system;
@@ -120,7 +115,6 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
 
         mCallEventListener = null;
         mDecodeConfiguration = null;
-        mPreviousDoNotMonitorCallEvent = null;
     }
 
     /**
@@ -197,21 +191,7 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
 
             long frequency = callEvent.getFrequency();
 
-			/* Check the from/to aliases for do not monitor priority */
+            if(frequency > 0)
-            if(isDoNotMonitor(callEvent))
-            {
-                callEvent.setCallEventType(CallEventType.CALL_DO_NOT_MONITOR);
-
-                if(isSameCallEvent(mPreviousDoNotMonitorCallEvent, callEvent))
-                {
-                    return;
-                }
-                else
-                {
-                    mPreviousDoNotMonitorCallEvent = callEvent;
-                }
-            }
-            else if(frequency > 0)
             {
                 Channel channel = getChannel(callEvent.getChannel(), new TunerChannel(Type.TRAFFIC,
                     frequency, mDecodeConfiguration.getDecoderType().getChannelBandwidth()));
@@ -330,31 +310,6 @@ public class TrafficChannelManager extends Module implements ICallEventProvider,
         return false;
     }
 
-    /**
-     * Checks for aliases that contain a do not follow/process priority.
-     *
-     * @param event
-     * @return - true if there is an alias that has a do not process alias id
-     */
-    private boolean isDoNotMonitor(CallEvent event)
-    {
-        Alias to = event.getToIDAlias();
-
-        if(to != null && to.hasCallPriority() && to.getCallPriority() == Priority.DO_NOT_MONITOR)
-        {
-            return true;
-        }
-
-        Alias from = event.getFromIDAlias();
-
-        if(from != null && from.hasCallPriority() && from.getCallPriority() == Priority.DO_NOT_MONITOR)
-        {
-            return true;
-        }
-
-        return false;
-    }
-
     @Override
     public Listener<DecoderStateEvent> getDecoderStateListener()
     {

src/module/ProcessingChain.java

@@ -320,7 +320,13 @@ public class ProcessingChain implements IChannelEventListener
 
         if(module instanceof IFrequencyChangeListener)
         {
-            mFrequencyChangeEventBroadcaster.addListener(((IFrequencyChangeListener) module).getFrequencyChangeListener());
+            Listener<FrequencyChangeEvent> frequencyChangeEventListener =
+                ((IFrequencyChangeListener)module).getFrequencyChangeListener();
+
+            if(frequencyChangeEventListener != null)
+            {
+                mFrequencyChangeEventBroadcaster.addListener(frequencyChangeEventListener);
+            }
         }
 
         if(module instanceof IMessageListener)

src/module/decode/DecoderFactory.java

@@ -222,7 +222,7 @@ public class DecoderFactory
 
                 if(channelType == ChannelType.STANDARD)
                 {
-                    modules.add(new TrafficChannelManager(channelModel, channelProcessingManager, decodeConfig,
+                    modules.add(new TrafficChannelManager(channelModel, decodeConfig,
                         channel.getRecordConfiguration(), channel.getSystem(), channel.getSite(),
                         (aliasList != null ? aliasList.getName() : null), mptConfig.getTrafficChannelPoolSize()));
                 }
@@ -263,7 +263,7 @@ public class DecoderFactory
 
                 if(channelType == ChannelType.STANDARD)
                 {
-                    modules.add(new TrafficChannelManager(channelModel, channelProcessingManager, decodeConfig,
+                    modules.add(new TrafficChannelManager(channelModel, decodeConfig,
                         channel.getRecordConfiguration(), channel.getSystem(), channel.getSite(),
                         (aliasList != null ? aliasList.getName() : null), p25Config.getTrafficChannelPoolSize()));
                 }

src/module/decode/lj1200/LJ1200DecoderState.java

@@ -54,7 +54,7 @@ public class LJ1200DecoderState extends DecoderState
         super(aliasList);
 
         mAddressAttribute = new AliasedStringAttributeMonitor(Attribute.SECONDARY_ADDRESS_TO,
-            getAttributeChangeRequestListener(), getAliasList(), AliasIDType.LOJACK);
+            getAttributeChangeRequestListener(), getAliasList(), AliasIDType.SITE);
     }
 
     @Override

src/module/decode/p25/P25DecoderState.java

@@ -315,6 +315,8 @@ public class P25DecoderState extends DecoderState
      */
     public void registerCallEvent(P25CallEvent event)
     {
+        String channel = event.getChannel();
+
         if(mChannelCallMap.containsKey(event.getChannel()))
         {
             P25CallEvent previousEvent = mChannelCallMap.remove(event.getChannel());
@@ -419,7 +421,7 @@ public class P25DecoderState extends DecoderState
                 mCurrentCallEvent = new P25CallEvent.Builder(CallEventType.CALL)
                     .aliasList(getAliasList())
                     .channel(mCurrentChannel)
-                    .details((hdu.isEncrypted() ? "ENCRYPTED " : ""))
+                    .details((hdu.isEncryptedAudio() ? "ENCRYPTED " : ""))
                     .frequency(mCurrentChannelFrequency)
                     .to(to)
                     .build();
@@ -1105,7 +1107,7 @@ public class P25DecoderState extends DecoderState
                                 broadcast(new P25CallEvent.Builder(CallEventType.CALL_DETECT)
                                     .aliasList(getAliasList())
                                     .channel(gvcu.getChannelA())
-                                    .details((gvcu.isEncrypted() ? "ENCRYPTED" : ""))
+                                    .details((gvcu.isEncryptedLinkControlWord() ? "ENCRYPTED" : ""))
                                     .frequency(gvcu.getDownlinkFrequencyA())
                                     .to(userA)
                                     .build());
@@ -1120,7 +1122,7 @@ public class P25DecoderState extends DecoderState
                                 broadcast(new P25CallEvent.Builder(CallEventType.CALL_DETECT)
                                     .aliasList(getAliasList())
                                     .channel(gvcu.getChannelB())
-                                    .details((gvcu.isEncrypted() ? "ENCRYPTED" : ""))
+                                    .details((gvcu.isEncryptedLinkControlWord() ? "ENCRYPTED" : ""))
                                     .frequency(gvcu.getDownlinkFrequencyB())
                                     .to(userB)
                                     .build());
@@ -1149,7 +1151,7 @@ public class P25DecoderState extends DecoderState
                                 broadcast(new P25CallEvent.Builder(CallEventType.CALL_DETECT)
                                     .aliasList(getAliasList())
                                     .channel(gvcue.getTransmitChannel())
-                                    .details((gvcue.isEncrypted() ? "ENCRYPTED" : ""))
+                                    .details((gvcue.isEncryptedLinkControlWord() ? "ENCRYPTED" : ""))
                                     .frequency(gvcue.getDownlinkFrequency())
                                     .to(group)
                                     .build());
@@ -1185,7 +1187,7 @@ public class P25DecoderState extends DecoderState
                             if(mCurrentCallEvent.getDetails() == null)
                             {
                                 mCurrentCallEvent.setDetails(
-                                    (gvcuser.isEncrypted() ? "ENCRYPTED " : "") +
+                                    (gvcuser.isEncryptedLinkControlWord() ? "ENCRYPTED " : "") +
                                         (gvcuser.isEmergency() ? "EMERGENCY " : ""));
 
                                 broadcast(mCurrentCallEvent);
@@ -1397,7 +1399,7 @@ public class P25DecoderState extends DecoderState
                         if(mCurrentCallEvent.getDetails() == null)
                         {
                             mCurrentCallEvent.setDetails(
-                                (tivcu.isEncrypted() ? "ENCRYPTED " : "") +
+                                (tivcu.isEncryptedLinkControlWord() ? "ENCRYPTED " : "") +
                                     (tivcu.isEmergency() ? "EMERGENCY " : ""));
 
                             broadcast(mCurrentCallEvent);
@@ -1480,7 +1482,7 @@ public class P25DecoderState extends DecoderState
                         if(mCurrentCallEvent.getDetails() == null)
                         {
                             mCurrentCallEvent.setDetails(
-                                (uuvcu.isEncrypted() ? "ENCRYPTED " : "") +
+                                (uuvcu.isEncryptedLinkControlWord() ? "ENCRYPTED " : "") +
                                     (uuvcu.isEmergency() ? "EMERGENCY " : ""));
 
                             broadcast(mCurrentCallEvent);
@@ -1557,6 +1559,7 @@ public class P25DecoderState extends DecoderState
                     break;
                 case IDENTIFIER_UPDATE_NON_VUHF:
                 case IDENTIFIER_UPDATE_VHF_UHF_BANDS:
+                case IDENTIFIER_UPDATE_TDMA:
                     IdentifierUpdate iu = (IdentifierUpdate)tsbk;
 
                     if(!mBands.containsKey(iu.getIdentifier()))
@@ -2735,6 +2738,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(pgvcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(pgvcg.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(pgvcg.getPriority());
                     details.append(pgvcg.isEncryptedChannel() ? " ENCRYPTED" : "");
@@ -2742,7 +2746,7 @@ public class P25DecoderState extends DecoderState
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.PATCH_GROUP_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (pgvcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(pgvcg.getDownlinkFrequency())
                         .from(from)
@@ -2775,8 +2779,9 @@ public class P25DecoderState extends DecoderState
                 {
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.PATCH_GROUP_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (gvcgu.isTDMAChannel1() ? " TDMA" : ""))
+                        .channel(channel)
-                        .details((gvcgu.isEncrypted() ? "ENCRYPTED " : ""))
+                        .details((gvcgu.isTDMAChannel1() ? "TDMA " : "") +
+                            (gvcgu.isEncrypted() ? "ENCRYPTED " : ""))
                         .frequency(gvcgu.getDownlinkFrequency1())
                         .to(to)
                         .build();
@@ -2801,8 +2806,9 @@ public class P25DecoderState extends DecoderState
                 {
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.PATCH_GROUP_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel2 + (gvcgu.isTDMAChannel2() ? " TDMA" : ""))
+                        .channel(channel2)
-                        .details((gvcgu.isEncrypted() ? "ENCRYPTED " : ""))
+                        .details((gvcgu.isTDMAChannel2() ? "TDMA " : "") +
+                                (gvcgu.isEncrypted() ? "ENCRYPTED " : ""))
                         .frequency(gvcgu.getDownlinkFrequency2())
                         .to(to2)
                         .build();
@@ -2866,6 +2872,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(gdcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(gdcg.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(gdcg.getPriority()).append(" ");
                     details.append(gdcg.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -2873,7 +2880,7 @@ public class P25DecoderState extends DecoderState
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.DATA_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (gdcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(gdcg.getDownlinkFrequency())
                         .from(from)
@@ -2904,6 +2911,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(gvcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(gvcg.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(gvcg.getPriority()).append(" ");
                     details.append(gvcg.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -2911,7 +2919,7 @@ public class P25DecoderState extends DecoderState
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.GROUP_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (gvcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(gvcg.getDownlinkFrequency())
                         .from(from)
@@ -2928,8 +2936,7 @@ public class P25DecoderState extends DecoderState
                 }
                 break;
             case GROUP_VOICE_CHANNEL_GRANT_UPDATE:
-                GroupVoiceChannelGrantUpdate gvcgu =
+                GroupVoiceChannelGrantUpdate gvcgu = (GroupVoiceChannelGrantUpdate)message;
-                    (GroupVoiceChannelGrantUpdate)message;
 
                 channel = gvcgu.getChannel1();
                 from = null;
@@ -2942,6 +2949,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(gvcgu.isTDMAChannel() ? "TDMA " : "");
                     details.append(gvcgu.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(gvcgu.getPriority()).append(" ");
                     details.append(gvcgu.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -2949,7 +2957,7 @@ public class P25DecoderState extends DecoderState
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.GROUP_CALL)
                         .aliasList(getAliasList())
-                        .channel(gvcgu.getChannel1() + (gvcgu.isTDMAChannel1() ? " TDMA" : ""))
+                        .channel(gvcgu.getChannel1())
                         .details(details.toString())
                         .frequency(gvcgu.getDownlinkFrequency1())
                         .from(from)
@@ -2977,6 +2985,7 @@ public class P25DecoderState extends DecoderState
                     else
                     {
                         StringBuilder details = new StringBuilder();
+                        details.append(gvcgu.isTDMAChannel() ? "TDMA " : "");
                         details.append(gvcgu.isEmergency() ? "EMERGENCY " : "");
                         details.append("PRI:").append(gvcgu.getPriority()).append(" ");
                         details.append(gvcgu.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -2984,7 +2993,7 @@ public class P25DecoderState extends DecoderState
 
                         P25CallEvent event2 = new P25CallEvent.Builder(CallEventType.GROUP_CALL)
                             .aliasList(getAliasList())
-                            .channel(gvcgu.getChannel2() + (gvcgu.isTDMAChannel2() ? " TDMA" : ""))
+                            .channel(gvcgu.getChannel2())
                             .details(details.toString())
                             .frequency(gvcgu.getDownlinkFrequency2())
                             .to(gvcgu.getGroupAddress2())
@@ -3016,6 +3025,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(gvcgue.isTDMAChannel() ? "TDMA " : "");
                     details.append(gvcgue.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(gvcgue.getPriority()).append(" ");
                     details.append(gvcgue.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -3023,7 +3033,7 @@ public class P25DecoderState extends DecoderState
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.GROUP_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (gvcgue.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(gvcgue.getDownlinkFrequency())
                         .from(from)
@@ -3053,6 +3063,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(idcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(idcg.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(idcg.getPriority()).append(" ");
                     details.append(idcg.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -3060,7 +3071,7 @@ public class P25DecoderState extends DecoderState
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.DATA_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (idcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(idcg.getDownlinkFrequency())
                         .from(from)
@@ -3090,13 +3101,14 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(sdcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(sdcg.isEmergency() ? "EMERGENCY " : "");
                     details.append(sdcg.isEncryptedChannel() ? "ENCRYPTED " : "");
                     details.append(sdcg.getSessionMode().name());
 
                     P25CallEvent event = new P25CallEvent.Builder(CallEventType.DATA_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (sdcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(sdcg.getDownlinkFrequency())
                         .from(from)
@@ -3128,6 +3140,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(tivcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(tivcg.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(tivcg.getPriority()).append(" ");
                     details.append(tivcg.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -3137,7 +3150,7 @@ public class P25DecoderState extends DecoderState
                     P25CallEvent event = new P25CallEvent.Builder(
                         CallEventType.TELEPHONE_INTERCONNECT)
                         .aliasList(getAliasList())
-                        .channel(channel + (tivcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(tivcg.getDownlinkFrequency())
                         .from(from)
@@ -3170,6 +3183,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(tivcgu.isTDMAChannel() ? "TDMA " : "");
                     details.append(tivcgu.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(tivcgu.getPriority()).append(" ");
                     details.append(tivcgu.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -3179,7 +3193,7 @@ public class P25DecoderState extends DecoderState
                     P25CallEvent event = new P25CallEvent.Builder(
                         CallEventType.TELEPHONE_INTERCONNECT)
                         .aliasList(getAliasList())
-                        .channel(channel + (tivcgu.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(tivcgu.getDownlinkFrequency())
                         .from(from)
@@ -3209,6 +3223,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(uuvcg.isTDMAChannel() ? "TDMA " : "");
                     details.append(uuvcg.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(uuvcg.getPriority()).append(" ");
                     details.append(uuvcg.isEncryptedChannel() ? " ENCRYPTED " : "");
@@ -3217,7 +3232,7 @@ public class P25DecoderState extends DecoderState
                     P25CallEvent event = new P25CallEvent.Builder(
                         CallEventType.UNIT_TO_UNIT_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (uuvcg.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(uuvcg.getDownlinkFrequency())
                         .from(from)
@@ -3247,6 +3262,7 @@ public class P25DecoderState extends DecoderState
                 else
                 {
                     StringBuilder details = new StringBuilder();
+                    details.append(uuvcgu.isTDMAChannel() ? "TDMA " : "");
                     details.append(uuvcgu.isEmergency() ? "EMERGENCY " : "");
                     details.append("PRI:").append(uuvcgu.getPriority()).append(" ");
                     details.append(uuvcgu.isEncryptedChannel() ? "ENCRYPTED " : "");
@@ -3255,7 +3271,7 @@ public class P25DecoderState extends DecoderState
                     P25CallEvent event = new P25CallEvent.Builder(
                         CallEventType.UNIT_TO_UNIT_CALL)
                         .aliasList(getAliasList())
-                        .channel(channel + (uuvcgu.isTDMAChannel() ? " TDMA" : ""))
+                        .channel(channel)
                         .details(details.toString())
                         .frequency(uuvcgu.getDownlinkFrequency())
                         .from(from)

src/module/decode/p25/audio/P25AudioModule.java

@@ -12,6 +12,9 @@ import jmbe.iface.AudioConverter;
 import message.IMessageListener;
 import message.Message;
 import module.Module;
+import module.decode.p25.message.hdu.HDUMessage;
+import module.decode.p25.message.ldu.LDU1Message;
+import module.decode.p25.message.ldu.LDU2Message;
 import module.decode.p25.message.ldu.LDUMessage;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -25,14 +28,18 @@ public class P25AudioModule extends Module implements Listener<Message>, IAudioP
     private final static Logger mLog = LoggerFactory.getLogger(P25AudioModule.class);
 
     private static final String IMBE_CODEC = "IMBE";
-
     private static boolean mLibraryLoadStatusLogged = false;
+
     private boolean mCanConvertAudio = false;
+    private boolean mEncryptedCall = false;
+    private boolean mEncryptedCallStateEstablished = false;
+
     private AudioConverter mAudioConverter;
     private Listener<AudioPacket> mAudioPacketListener;
     private SquelchStateListener mSquelchStateListener = new SquelchStateListener();
     private NonClippingGain mGain = new NonClippingGain(5.0f, 0.95f);
     private Metadata mMetadata;
+    private LDU1Message mCachedLDU1Message = null;
 
     public P25AudioModule(Metadata metadata)
     {
@@ -76,21 +83,60 @@ public class P25AudioModule extends Module implements Listener<Message>, IAudioP
     }
 
     /**
-     * Primary processing method for p25 imbe audio frame messages.  Each LDU
+     * Processes call header (HDU) and voice frame (LDU1/LDU2) messages to decode audio and to determine the
-     * audio message contains 9 imbe voice frames.  Each frame is converted to
+     * encrypted audio status of a call event. Only the HDU and LDU2 messages convey encrypted call status. If an
-     * audio when the JMBE library is loaded, processed by auto-gain, and
+     * LDU1 message is received without a preceding HDU message, then the LDU1 message is cached until the first
-     * broadcast to the audio packet listener.
+     * LDU2 message is received and the encryption state can be determined. Both the LDU1 and the LDU2 message are
+     * then processed for audio if the call is unencrypted.
      */
     public void receive(Message message)
     {
         if(mCanConvertAudio && mAudioPacketListener != null)
+        {
+            if(mEncryptedCallStateEstablished)
             {
                 if(message instanceof LDUMessage)
                 {
-                LDUMessage ldu = (LDUMessage) message;
+                    processAudio((LDUMessage)message);
+                }
+            }
+            else
+            {
+                if(message instanceof HDUMessage)
+                {
+                    mEncryptedCallStateEstablished = true;
+                    mEncryptedCall = ((HDUMessage)message).isEncryptedAudio();
+                }
+                else if(message instanceof LDU1Message)
+                {
+                    //When we receive an LDU1 message with first receiving the HDU message, cache the LDU1 Message
+                    //until we can determine the encrypted call state from the next LDU2 message
+                    mCachedLDU1Message = (LDU1Message)message;
+                }
+                else if(message instanceof LDU2Message)
+                {
+                    mEncryptedCallStateEstablished = true;
+                    LDU2Message ldu2 = (LDU2Message)message;
+                    mEncryptedCall = ldu2.isEncryptedAudio();
 
-				/* Only process unencrypted audio frames */
+                    if(mCachedLDU1Message != null)
-                if (!(ldu.isValid() && ldu.isEncrypted()))
+                    {
+                        processAudio(mCachedLDU1Message);
+                        mCachedLDU1Message = null;
+                    }
+
+                    processAudio(ldu2);
+                }
+            }
+        }
+    }
+
+    /**
+     * Processes an audio packet by decoding the IMBE audio frames and rebroadcasting them as PCM audio packets.
+     */
+    private void processAudio(LDUMessage ldu)
+    {
+        if(!mEncryptedCall)
         {
             for(byte[] frame : ldu.getIMBEFrames())
             {
@@ -101,7 +147,9 @@ public class P25AudioModule extends Module implements Listener<Message>, IAudioP
                 mAudioPacketListener.receive(new AudioPacket(audio, mMetadata.copyOf()));
             }
         }
-            }
+        else
+        {
+            //Encrypted audio processing not implemented
         }
     }
 
@@ -196,20 +244,26 @@ public class P25AudioModule extends Module implements Listener<Message>, IAudioP
     }
 
     /**
-     * Wrapper for squelch state listener.  Internally, the P25 audio module
+     * Wrapper for squelch state to process end of call actions.  At call end the encrypted call state established
-     * doesn't have a squelch state.  If there are IMBE audio frames, we have
+     * flag is reset so that the encrypted audio state for the next call can be properly detected and we send an
-     * audio.  We use this listener to signal to the recorder manager that the
+     * END audio packet so that downstream processors like the audio recorder can properly close out a call sequence.
-     * channel state is resetting and it should end the recording.
      */
     public class SquelchStateListener implements Listener<SquelchState>
     {
         @Override
         public void receive(SquelchState state)
         {
-            if (state == SquelchState.SQUELCH && mAudioPacketListener != null)
+            if(state == SquelchState.SQUELCH)
+            {
+                if(mAudioPacketListener != null)
                 {
                     mAudioPacketListener.receive(new AudioPacket(AudioPacket.Type.END, mMetadata.copyOf()));
                 }
+
+                mEncryptedCallStateEstablished = false;
+                mEncryptedCall = false;
+                mCachedLDU1Message = null;
+            }
         }
     }
 }

src/module/decode/p25/message/hdu/HDUMessage.java

@@ -245,7 +245,7 @@ public class HDUMessage extends P25Message
 		return Encryption.fromValue( mMessage.getInt( ALGORITHM_ID ) );
 	}
 	
-	public boolean isEncrypted()
+	public boolean isEncryptedAudio()
 	{
 		return getEncryption() != Encryption.UNENCRYPTED;
 	}

src/module/decode/p25/message/ldu/LDU1Message.java

@@ -1,24 +1,22 @@
 package module.decode.p25.message.ldu;
 
-import module.decode.p25.reference.DataUnitID;
-import module.decode.p25.reference.LinkControlOpcode;
-import module.decode.p25.reference.Vendor;
-import module.decode.p25.reference.VendorLinkControlOpcode;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import alias.AliasList;
 import bits.BinaryMessage;
 import edac.CRC;
 import edac.Hamming10;
 import edac.ReedSolomon_63_47_17;
+import module.decode.p25.reference.DataUnitID;
+import module.decode.p25.reference.LinkControlOpcode;
+import module.decode.p25.reference.Vendor;
+import module.decode.p25.reference.VendorLinkControlOpcode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class LDU1Message extends LDUMessage
 {
     private final static Logger mLog = LoggerFactory.getLogger(LDU1Message.class);
 
-	public static final int ENCRYPTION_FLAG = 352;
+    public static final int ENCRYPTED_LINK_CONTROL_WORD_FLAG = 352;
     public static final int IMPLICIT_VENDOR_FLAG = 353;
     public static final int[] OPCODE = {354, 355, 356, 357, 362, 363};
     public static final int[] VENDOR = {364, 365, 366, 367, 372, 373, 374, 375};
@@ -81,10 +79,14 @@ public class LDU1Message extends LDUMessage
         mCRC = message.mCRC;
     }
 
-	@Override
+    /**
-	public boolean isEncrypted()
+     * Indicates if the contents of the Link Control Word are encrypted.
+     *
+     * @return true if the contents of the LCW are encrypted.
+     */
+    public boolean isEncryptedLinkControlWord()
     {
-		return mMessage.get( ENCRYPTION_FLAG );
+        return mMessage.get(ENCRYPTED_LINK_CONTROL_WORD_FLAG);
     }
 
     private void checkCRC()
@@ -197,7 +199,7 @@ public class LDU1Message extends LDUMessage
 
         sb.append(super.getMessageStub());
 
-		if( isEncrypted() )
+        if(isEncryptedLinkControlWord())
         {
             sb.append("ENCRYPTED");
         }

src/module/decode/p25/message/ldu/LDU2Message.java

@@ -73,8 +73,10 @@ public class LDU2Message extends LDUMessage
 	    checkCRC();
     }
 
-	@Override
+	/**
-	public boolean isEncrypted()
+	 * Indicates if the audio stream is encrypted
+	 */
+	public boolean isEncryptedAudio()
 	{
 		Encryption encryption = getEncryption();
 		

src/module/decode/p25/message/ldu/LDUMessage.java

@@ -35,8 +35,6 @@ public abstract class LDUMessage extends P25Message
 	    super( message, duid, aliasList );
     }
 	
-	public abstract boolean isEncrypted();
-	
 	@Override
     public String getMessage()
     {

src/module/decode/p25/message/tsbk/osp/control/IdentifierUpdateTDMA.java

@@ -41,7 +41,7 @@ public class IdentifierUpdateTDMA extends IdentifierUpdate
 
 		sb.append( " ID:" + getIdentifier() );
 		sb.append( " BASE:" + getBaseFrequency() );
-		sb.append( " BW:" + getBandwidth() );
+		sb.append( " BANDWIDTH:" + getBandwidth() );
 		sb.append( " SPACING:" + getChannelSpacing() );
 		sb.append( " OFFSET:" + getTransmitOffset() );
 		sb.append( " TYPE:" + getChannelType().toString() );
@@ -137,7 +137,7 @@ public class IdentifierUpdateTDMA extends IdentifierUpdate
     		
     		sb.append( mAccessType.name() );
     		sb.append( " BANDWIDTH:" + mBandwidth );
-    		sb.append( " SLOT/CARRIER:" + mSlotsPerCarrier );
+    		sb.append( " TIMESLOTS PER CARRIER:" + mSlotsPerCarrier );
     		sb.append( " VOCODER:" + mVocoder.name() );
     		
     		return sb.toString();