diff -r f742655b05bf -r d38647835c2e sipvoipprovider/inc/svpmtsession.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sipvoipprovider/inc/svpmtsession.h	Wed Sep 01 12:29:57 2010 +0100
@@ -0,0 +1,184 @@
+/*
+* Copyright (c) 2006-2008 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:  Representation of SVP MT session
+*
+*/
+
+
+#ifndef SVPMTSESSION_H
+#define SVPMTSESSION_H
+
+#include <mccpcall.h>
+#include "svpsessionbase.h"
+#include "svputdefs.h"
+
+/**
+ *  Class which acts as SVP MT session.
+ *  Contains all the SVP MT session specific methods.
+ *
+ *  @lib svp.dll
+ *  @since S60 3.2
+ */
+class CSVPMtSession : public CSVPSessionBase              
+    {
+
+public:
+    
+    /**
+    * Two-phased constructor.
+    */
+    static CSVPMtSession* NewL( CMceInSession* aMtSession,
+                                TMceTransactionDataContainer& aContainer,
+                                TUint32 aServiceId,
+                                TUint32 aVoIPProfileId,
+                                MSVPSessionObserver& aObserver,
+                                CSVPUtility& aSVPUtility,
+                                CSVPRtpObserver& aRtpObserver,
+                                TInt aKeepAliveValue,
+                                TBool aPreconditions );
+    
+    /**
+    * Destructor.
+    */
+    virtual ~CSVPMtSession();
+    
+
+public: // from base classes: MCCPCall
+
+    /**
+    * Answers to an incoming session.
+    * @since Series60 3.2
+    * @return KErrNone if successful or system wide error code
+    */
+    TInt Answer();
+        
+    /**
+    * Rejects an incoming call.
+    * @since Series 60 3.2
+    * @return KErrNone if successful or system wide error code
+    */
+    TInt Reject();
+
+    /**
+    * Reguests to queue the call. 
+    * @since S60 3.2
+    * @return KErrNone if successful or system wide error code
+    */
+    TInt Queue();
+
+    /**
+    * Send 180 Ringing
+    * @since S60 3.2
+    * @return KErrNone if successful or system wide error code
+    */
+    TInt Ringing();
+
+    /**
+    * From MCCPMtSession. Return boolean value, is incoming session forwarded or not.
+    * @since Series60 3.2
+    * @return ETrue if session is forwarded, else EFalse
+    */
+    TBool IsCallForwarded() const;
+     
+    /**
+    * Returns boolean value, is the session mobile originated.
+    * @since Series60 3.2
+    * @return TBool ETrue if session is mobile originated, otherwise EFalse
+    */
+    TBool IsMobileOriginated() const;
+    
+    /** 
+    * Calls sessions destructor
+    * @since Series60 3.2
+    * @return KErrNone if successful or system wide error code
+    */
+    TInt Release();
+
+    /**
+    * Puts the specified session on hold.
+    * @since Series60 3.2
+    * @return KErrNone if successful or system wide error code
+    */
+    TInt Hold();
+
+    /**
+    * Resumes the session.
+    * @since Series60 3.2
+    * @return KErrNone if successful or system wide error code
+    */
+    TInt Resume();
+     
+    /**
+    * Handles remote action after session is established.
+    * @since Series60 3.2
+    * @param None
+    * @return
+    */
+    TInt IncomingRequest( CMceInSession* aUpdatedSession );
+    
+private: // new methods
+
+    /**
+    * Handles sink/source enabling for Mt streams
+    * @since Series 60 3.2
+    * @param aStreams array of streams in Mt session
+    */
+    void HandleMtStreamsL( const RPointerArray< CMceMediaStream >& aStreams );
+    
+    /**
+     * Worker functio to answer an incoming session.
+     * @since Series60 3.2
+     * @return void
+     */
+    void DoAnswerL();
+    
+// From CSVPSessionBase
+
+    /**
+     * Sets RTP keep-alive timer value and payload
+     * @since Series 60 3.2
+     * @param aSession MCE session
+     * @param aSessionUpdateOngoing Flag determines whether session udpate is needed
+     * @return void
+     */
+    void SetRtpKeepAliveL( CMceSession* aSession, 
+                           TBool aSessionUpdateOngoing );
+    
+private:
+
+    /**
+    * C++ default constructor.
+    */
+    CSVPMtSession( CMceInSession* aMtSession,
+                   TMceTransactionDataContainer& aContainer,
+                   TUint32 aVoIPProfileId,
+                   MSVPSessionObserver& aObserver,
+                   CSVPUtility& aSVPUtility,
+                   CSVPRtpObserver& aRtpObserver,
+                   TInt aKeepAliveValue,
+                   TBool aPreconditions );
+    
+    /**
+     * Symbian 2nd phase construction
+     */
+    void ConstructL( TUint32 aServiceId );
+
+private:
+
+    // For testing
+    SVP_UT_DEFS
+    
+    };
+
+#endif // SVPMTSESSION_H