diff -r 1eef62f5c541 -r 2a5d4ab426d3 phoneplugins/csplugin/src/cspaudiohandler.cpp
--- a/phoneplugins/csplugin/src/cspaudiohandler.cpp	Mon Aug 23 15:42:12 2010 +0300
+++ b/phoneplugins/csplugin/src/cspaudiohandler.cpp	Fri Sep 03 13:33:36 2010 +0300
@@ -17,7 +17,9 @@
 
 #include "cspaudiohandler.h"
 #include "tmshandler.h"
+#include "csptimer.h"
 #include "csplogger.h"
+#include "mcspaudiohandlerobserver.h"
 
 // ---------------------------------------------------------------------------
 // CSPAudioHandler::NewL.
@@ -25,7 +27,7 @@
 //
 CSPAudioHandler* CSPAudioHandler::NewL()
     {
-    CSPLOGSTRING(CSPOBJECT, "CSPAudioHandler::NewL()" );
+    CSPLOGSTRING(CSPOBJECT, "CSPAudioHandler::NewL()");
     CSPAudioHandler* self = new (ELeave) CSPAudioHandler();
     CleanupStack::PushL(self);
     self->ConstructL();
@@ -39,22 +41,42 @@
 //
 CSPAudioHandler::~CSPAudioHandler()
     {
-    CSPLOGSTRING(CSPOBJECT, "CSPAudioHandler::~CSPAudioHandler()" );
+    CSPLOGSTRING(CSPOBJECT, "CSPAudioHandler::~CSPAudioHandler()");
+    if (iTimer)
+        {
+        iTimer->CancelNotify();
+        delete iTimer;
+        }
     delete iTmsHandler;
     }
 
 // ---------------------------------------------------------------------------
+// CSPAudioHandler::SetObserver
+// ---------------------------------------------------------------------------
+//
+void CSPAudioHandler::SetObserver(MCSPAudioHandlerObserver& aObserver)
+    {
+    CSPLOGSTRING(CSPOBJECT, "CSPAudioHandler::SetObserver()");
+    iObserver = &aObserver;
+    }
+
+// ---------------------------------------------------------------------------
 // CSPAudioHandler::Start
+// Note: Client must pass the observer through SetObserver() prior to calling
+// Start(), otherwise MTmsHandlerObserver callbacks will be missed.
 // ---------------------------------------------------------------------------
 //
 void CSPAudioHandler::Start()
     {
     iCallCount++;
     CSPLOGSTRING2(CSPINT, "CSPAudioHandler::Start callcount: %d", iCallCount);
-
     if (iTmsHandler && iCallCount == 1)
         {
-        iTmsHandler->StartStreams();
+        TInt err = iTmsHandler->StartStreams();
+        if (err != KErrNone)
+            {
+            AudioStreamsError(err);
+            }
         }
     }
 
@@ -65,6 +87,10 @@
 void CSPAudioHandler::Stop()
     {
     CSPLOGSTRING2(CSPINT, "CSPAudioHandler::Stop callcount: %d", iCallCount);
+    if (iTimer)
+        {
+        iTimer->CancelNotify();
+        }
     if (iTmsHandler && iCallCount == 1)
         {
         iTmsHandler->StopStreams();
@@ -77,6 +103,82 @@
     }
 
 // ---------------------------------------------------------------------------
+// CSPAudioHandler::ReportAudioFailureAfterTimeout
+// ---------------------------------------------------------------------------
+//
+void CSPAudioHandler::ReportAudioFailureAfterTimeout(TInt aTimeout)
+    {
+    CSPLOGSTRING(CSPOBJECT, "CSPAudioHandler::ReportAudioFailureAfterTimeout()");
+
+    if (iTmsHandler)
+        {
+        // Make sure audio streams are not already active, so we don't
+        // accidentaly hangup the call by setting the timer.
+        if (iTimer && !iTmsHandler->AreStreamsStarted())
+            {
+            if (iTimer->IsNotifyOngoing())
+                {
+                iTimer->CancelNotify();
+                }
+            iTimer->NotifyAfter(aTimeout, *this);
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CSPAudioHandler::AudioStreamsStarted
+// From MTmsHandlerObserver
+// ---------------------------------------------------------------------------
+//
+void CSPAudioHandler::AudioStreamsStarted()
+    {
+    CSPLOGSTRING(CSPOBJECT, "CSPAudioHandler::AudioStreamsStarted()");
+    if (iTimer)
+        {
+        iTimer->CancelNotify();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CSPAudioHandler::AudioStreamsError
+// From MTmsHandlerObserver
+// ---------------------------------------------------------------------------
+//
+void CSPAudioHandler::AudioStreamsError(TInt /*aError*/)
+    {
+    CSPLOGSTRING(CSPOBJECT, "CSPAudioHandler::AudioStreamsError()");
+    if (iTimer)
+        {
+        iTimer->CancelNotify();
+        }
+
+    // Note: The observer must be provided in SetObserver() prior to Start()
+    // request, otherwise error conditions will not be propagated to the client.
+    if (iObserver)
+        {
+        iObserver->AudioStartingFailed();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CSPAudioHandler::TimerEvent
+// From MCSPTimerObserver
+// ---------------------------------------------------------------------------
+//
+void CSPAudioHandler::TimerEvent()
+    {
+    CSPLOGSTRING(CSPOBJECT, "CSPAudioHandler::TimerEvent()");
+    if (iObserver)
+        {
+        iObserver->AudioStartingFailed();
+        }
+    if (iTmsHandler)
+        {
+        iTmsHandler->StopStreams();
+        }
+    }
+
+// ---------------------------------------------------------------------------
 // Constructs the monitor.
 // ---------------------------------------------------------------------------
 //
@@ -92,10 +194,9 @@
 //
 void CSPAudioHandler::ConstructL()
     {
-    if (!iTmsHandler)
-        {
-        iTmsHandler = TmsHandler::NewL();
-        }
+    CSPLOGSTRING(CSPOBJECT, "CSPAudioHandler::ConstructL()");
+    iTmsHandler = TmsHandler::NewL(*this);
+    iTimer = CSPTimer::NewL();
     }
 
 // End of file