--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipappsrv_plat/multimedia_comms_api/inc/mcetransactionobserver.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,73 @@
+/*
+* Copyright (c) 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:    
+*
+*/
+
+
+
+
+#ifndef MMCETRANSACTIONOBSERVER_H
+#define MMCETRANSACTIONOBSERVER_H
+
+// INCLUDES
+#include <mcedefs.h>
+#include <e32std.h>  
+
+// FORWARD DECLARATIONS
+class TMceTransactionDataContainer;
+
+// CLASS DECLARATION
+
+/**
+*  An interface to be implemented by users of MCE if they wish to 
+*  send extension SIP requests such as INFO within an existing session.
+*
+*  This observer is set using CMceManager::SetTransactionObserver function.
+*
+*  @lib mceclient.lib
+*/
+class MMceTransactionObserver
+	{
+	public: // 
+
+	    /**
+	    * A response related to a transaction was received.
+	    * @param aSession, the session that was used to create the transaction
+	    * @param aTransactionId, the identifier for the transaction
+	    * @param aContainer, if present, 
+	    *        holds details of the incoming SIP response.
+	    */
+	    virtual void TransactionResponse(
+	    			CMceSession& aSession,
+	    			TMceTransactionId aTransactionId,
+	    			TMceTransactionDataContainer* aContainer ) = 0;
+	    
+	    /**
+	    * An error related to a transaction was received.
+	    * @param aSession, the session that was used to create the transaction
+	    * @param aTransactionId, the identifier for the transaction
+	    * @param aError, Error code
+	    */
+		virtual void TransactionFailed( 
+                    CMceSession& aSession,
+	    			TMceTransactionId aTransactionId, 
+	    			TInt aError ) = 0;
+	};
+
+#endif // MMCETRANSACTIONOBSERVER_H
+
+
+// End of File
+