diff -r f742655b05bf -r d38647835c2e voipplugins/sipconnectionprovider/ipvoicemailengine/inc/ipvmbxobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/voipplugins/sipconnectionprovider/ipvoicemailengine/inc/ipvmbxobserver.h	Wed Sep 01 12:29:57 2010 +0100
@@ -0,0 +1,64 @@
+/*
+* Copyright (c) 2007-2010 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:  Observer class for IPVoiceMailEngine. Used to deliver
+*                subscription status.
+*
+*/
+
+
+
+#ifndef M_IPVMBXOBSERVER_H
+#define M_IPVMBXOBSERVER_H
+
+#include <e32def.h>
+
+/**
+ *  Observer class for IPVoiceMailEngine
+ *
+ *  This class must be herited to receive IPVoiceMailEngine's
+ *  subscription status messages.
+ *
+ *  @lib IPVoiceMailAppEnginedll.lib
+ */
+class MIpVmbxObserver
+    {
+
+public:
+
+    /** Subscribtion states */
+    enum TVmbxMessage
+        {
+        ESubscribed,
+        EUnsubscribed,
+        ENoMemory,
+        ESmsError,
+        ENetworkError,
+        EIncorrectSettings,
+        EFatalNetworkError
+        };
+
+    /**
+     * This function is called to inform status of subscribe and un-subscribe
+     *
+     * @param aSipProfileId Sip profile conserning about delivered message
+     * @param aMessage Subscribtion status
+     */
+    virtual void HandleMessage( 
+        TUint32 aServiceProviderId, 
+        TVmbxMessage aMessage ) = 0;
+
+    };
+
+
+#endif // M_IPVMBXOBSERVER_H