diff -r 000000000000 -r a4daefaec16c sipvoipprovider/src/svpdtmfeventgenerator.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sipvoipprovider/src/svpdtmfeventgenerator.cpp	Mon Jan 18 20:12:36 2010 +0200
@@ -0,0 +1,196 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Generates DTMF events in Inband DTMF    
+*
+*/
+
+
+#include "svpdtmfeventgenerator.h"
+#include "svplogger.h"
+#include "svpdtmfeventobserver.h"
+
+const TInt KSvpNormalEventInterval = 300000;
+// Pause character ('p') interval is 2500 ms
+const TInt KSvpPauseEventInterval = 2500000;
+
+// ---------------------------------------------------------------------------
+// CSVPDTMFEventGenerator::CSVPDTMFEventGenerator
+// ---------------------------------------------------------------------------
+//
+CSVPDTMFEventGenerator::CSVPDTMFEventGenerator(  
+                                           MSVPDTMFEventObserver& aObserver ): 
+                                  
+    CActive( EPriorityStandard ),      
+    iObserver( aObserver )
+    {
+    // add object to active scheduler
+    CActiveScheduler::Add( this );
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPDTMFEventGenerator::CSVPDTMFEventGenerator
+// ---------------------------------------------------------------------------
+//
+void CSVPDTMFEventGenerator::ConstructL()
+    {
+    // create timer
+    User::LeaveIfError( iTimer.CreateLocal() );
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPDTMFEventGenerator::CSVPDTMFEventGenerator
+// ---------------------------------------------------------------------------
+//
+CSVPDTMFEventGenerator* CSVPDTMFEventGenerator::NewL( 
+                                            MSVPDTMFEventObserver& aObserver )
+    {
+    CSVPDTMFEventGenerator* self = 
+        new ( ELeave ) CSVPDTMFEventGenerator( aObserver );
+    
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPDTMFEventGenerator::~CSVPDTMFEventGenerator
+// ---------------------------------------------------------------------------
+//  
+CSVPDTMFEventGenerator::~CSVPDTMFEventGenerator()
+    {
+    // cancel outgoing requests and close timer
+    Cancel();
+    iTimer.Close();
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPDTMFEventGenerator::RunL
+// ---------------------------------------------------------------------------
+//  
+void CSVPDTMFEventGenerator::RunL()
+    {
+    SVPDEBUG2( "CSVPDTMFEventGenerator::RunL tick: %u", User::TickCount() )
+    SVPDEBUG2( "CSVPDTMFEventGenerator::RunL iStatus: %d", iStatus.Int() )
+    SVPDEBUG2( "CSVPDTMFEventGenerator::RunL iStringLength: %d", iStringLength )
+    
+    if ( KErrNone == iStatus.Int() )
+        {
+        if ( !iStartSent && iStringLength )
+            {
+            iObserver.InbandDtmfEventOccurred( ESvpDtmfSendStarted );
+            iStartSent = ETrue;
+            iStringLength--;
+            TTimeIntervalMicroSeconds32 delay; 
+            if ( iPause )
+                {
+                delay = KSvpPauseEventInterval;
+                iPause = EFalse;
+                }
+            else
+                {
+                delay = KSvpNormalEventInterval;
+                }
+            if ( !IsActive() )
+                {
+                iTimer.After ( iStatus, delay );
+                SetActive(); 
+                }
+            }
+        else
+            {  
+            iObserver.InbandDtmfEventOccurred( ESvpDtmfSendStopped );
+            iStartSent = EFalse;
+            
+            if ( iStringLength )
+                {
+                TTimeIntervalMicroSeconds32 delay = KSvpNormalEventInterval;
+                if ( !IsActive() )
+                    {
+                    iTimer.After ( iStatus, delay );
+                    SetActive(); 
+                    }
+                }
+            else
+                {
+                iObserver.InbandDtmfEventOccurred( ESvpDtmfSendCompleted );
+                }
+            }     
+        }
+    else
+        {
+        User::Leave( iStatus.Int() );
+        }
+    }
+    
+// ---------------------------------------------------------------------------
+// CSVPDTMFEventGenerator::StartDtmfEvents
+// ---------------------------------------------------------------------------
+//     
+void CSVPDTMFEventGenerator::StartDtmfEvents( TInt aStringLength, TBool aPause )
+    {
+    SVPDEBUG1("CSVPDTMFEventGenerator::StartDtmfEvents In");
+    Cancel();
+    // Give the time to CTimer as microseconds 
+    // event interval is default => 300ms  
+    if ( aStringLength )
+        {
+        // save string length    
+        iStringLength = aStringLength;
+        iPause = aPause;
+        iTimer.After( iStatus, KSvpNormalEventInterval );
+        SetActive(); 
+        } 
+    }
+    
+// ---------------------------------------------------------------------------
+// CSVPDTMFEventGenerator::DoCancel
+// ---------------------------------------------------------------------------
+// 
+void CSVPDTMFEventGenerator::DoCancel()
+    {
+    SVPDEBUG1( "CSVPDTMFEventGenerator::DoCancel" )
+    iStringLength = 0;
+    iStartSent = EFalse;
+    iPause = EFalse;
+    iTimer.Cancel();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSVPDTMFEventGenerator::StopEvents
+// ---------------------------------------------------------------------------
+//  
+void CSVPDTMFEventGenerator::StopEvents()
+    {
+    SVPDEBUG1("CSVPDTMFEventGenerator::StopEvents In");
+    // Always call through Cancel() as it will 
+    // cancel the request in the scheduler and then it will call DoCancel()
+    Cancel();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSVPDTMFEventGenerator::RunError
+// ---------------------------------------------------------------------------
+// 
+TInt CSVPDTMFEventGenerator::RunError( TInt aError )
+    {
+    SVPDEBUG2( "CSVPDTMFEventGenerator::RunError aError: %d", aError )
+    
+    return aError;
+    }
+
+//  End of File