--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Dialogs/inc/MSipDialogs.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,68 @@
+/*
+* Copyright (c) 2005-2009 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:
+* Name          : MSipDialogs.h
+* Part of       : SIPDialogs
+* Version       : SIP/4.0 
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+#ifndef MSIPDIALOGS_H
+#define MSIPDIALOGS_H
+
+#include "SipStackServerDefs.h"
+
+class MTransactionOwner;
+class CSIPRequest;
+class CSIPResponse;
+
+
+/**
+ * This class defines transaction owner for a dialog.
+ * Transaction uses this class.
+ */
+class MSipDialogs
+	{
+    public:
+	    
+	    /**
+	    * Destructor.
+	    */
+	    virtual ~MSipDialogs() { }
+
+	    /**
+	    * Method for getting transaction owner for the dialog defined 
+	    * in the request. If request is malformed, call-id matches one 
+	    * of dialogs but to-tag or from-tag not match dialog's defined ones,
+	    * error response is created and transaction owner is equal to 0.
+        *
+	    * @param aRequest SIP request
+	    * @param aResponse SIP response
+	    * @return aTransactionOwner Transaction owner or 0 if dialog not exists.
+	    */
+	    virtual MTransactionOwner* TransactionOwnerL(
+	        CSIPRequest& aRequest,
+	        CSIPResponse** aResponse) = 0;
+	};
+
+#endif // MSIPDIALOGS_H
+
+// End of File