--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/NATTraversalController/Api/sipnatbindingobserver.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,47 @@
+/*
+* 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          : sipnatbindingobserver.h
+* Part of       : SIP NAT Traversal Controller
+* Version       : SIP/5.0 
+*
+*/
+
+
+
+#ifndef MSIPNATBINDINGOBSERVER_H
+#define MSIPNATBINDINGOBSERVER_H
+
+// INCLUDES
+#include <e32std.h>
+
+// CLASS DECLARATION
+/**
+* @publishedPartner
+* @released
+*
+* Callback to receive notifications about flow failures for a NAT binding.
+*/
+class MSIPNATBindingObserver
+	{
+	public:
+
+		/**
+		* The flow failed for a NAT binding.
+		* @param aError a reason why the flow failed. 
+		*/
+		virtual void FlowFailure( TInt aError ) = 0;
+	};
+
+#endif // MSIPNATBINDINGOBSERVER_H