--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcesrv/mmceserver/inc/mcereliableobserver.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,46 @@
+/*
+* Copyright (c) 2005 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 MMCERELIABLEOBSERVER_H
+#define MMCERELIABLEOBSERVER_H
+
+#include <e32std.h> 
+#include <sipservertransaction.h>  
+
+
+// Forwared declation.
+
+class CMceComSession;
+
+class MMceReliableObserver
+    {
+    public://new
+    
+  /**
+   * Callback function to indicate PRACK is not contained in SIP transaction.
+   * @param aTransaction
+   * @return void
+   */        
+        virtual void NoPrackReceived( CSIPServerTransaction& aTransaction ) = 0;
+        virtual void ReliableFailed( CSIPServerTransaction& aTransaction, TInt aError ) = 0;
+	};
+	
+#endif	
+	
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