--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/ProfileAgent/IMS_Agent/Inc/sipregeventobserver.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,96 @@
+/*
+* 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        : sipregeventobserver.h
+* Part of     : SIP Profile Agent
+* implementation
+* Version     : 1.0
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+#ifndef MSIPREGEVENTOBSERVER_H
+#define MSIPREGEVENTOBSERVER_H
+
+#include <e32std.h>
+
+// FORWARD DECLARATIONS
+
+// CLASS DECLARATION
+
+/**
+* This call back is used for notifying when 
+* - network has updated the expiration time for the registration
+* - network has de-registered the user.
+*
+*  @lib n/a
+*/
+class MSIPRegEventObserver
+	{
+    public: // New functions
+ 
+		/**
+		* Subscription to the registration state event was successful.
+		* 2XX response has been received to the initial SUBSCRIBE and
+		* the first full req-event information has been received in NOTIFY.
+		*/     
+		virtual void RegEventSubscriptionActive() = 0;
+   
+		/**
+		* A network initiated re-registration event has been received.
+		* The implementation must call CSIPRefresh::SetIntervalL
+		* with the value of aExpirationTime.
+		*
+		* @param aExpirationTime the new expiration time for the registration       
+		*/    
+        virtual void ExpirationTimeUpdatedL(TInt aExpirationTime) = 0;
+    
+		/**
+		* A new initial registration must be performed without de-registration.
+		*/     
+		virtual void ReRegister() = 0;    
+    
+		/**
+		* A network initiated de-registration event has been received.
+		* The network has deactivated the registration and 
+		* a new initial registration must be performed.
+		*/     
+		virtual void RegistrationDeactivated() = 0;		
+		
+		/**
+		* A network initiated de-registration event has been received.
+		* The implementation must indicate the registration state as failed 
+		* and delete the related CSIPRegistrationBinding and 
+		* CSIPReqEventHandler immediately without an explicit deregister. 
+		*/     
+		virtual void RegistrationTerminated() = 0;
+		
+		/**
+		* Subscription to the registration state event has failed and 
+		* there is no way to recover. 
+		* The implementation must send an explicit deregister request 
+		* to the network and then indicate the registration state 
+		* as failed and delete the related CSIPRegistrationBinding 
+		* and CSIPReqEventHandler.
+		*/     
+		virtual void RegEventSubscriptionFailedL() = 0;								
+	};
+
+#endif