diff -r 000000000000 -r 307788aac0a8 realtimenetprots/sipfw/SIP/Client/inc/sipclientobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Client/inc/sipclientobserver.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,106 @@
+/*
+* Copyright (c) 2006-2009 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          : sipclientobserver.h
+* Part of       : SIPClient
+* Version       : SIP/5.0 
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+
+#ifndef MSIPCLIENTOBSERVER_H
+#define MSIPCLIENTOBSERVER_H
+
+#include <e32std.h>
+
+class CSIPRequestElements;
+class CSIPResponseElements;
+class MSIPHttpDigestChallengeObserver2;
+
+/**
+* @brief an interface to be implemented by users of CSIPClient
+*        to be able to receive requests timeout notifications from sip stack.
+*/
+class MSIPClientObserver
+	{
+public:
+
+    /**
+    * A SIP request has been received from the network.
+    * The user should use the connectin indicated by the IAP id
+    * to respond to this request.
+    *
+    * @param aIapId IAP Id that indicates the connection from which
+    *        the SIP request was received
+    * @param aRequest contains local address,
+    *        remote address of a sip message,
+    *        as well as optional SIP message method, headers and body.
+    *        The ownership is transferred.
+    * @param aRequestId the id to be used when sending a SIP response.
+	*/
+	virtual void IncomingRequestL(TUint32 aIapId,
+                                  CSIPRequestElements* aRequest,
+                                  TUint32 aRequestId) = 0;
+
+    /**
+	* The transaction related to the received SIP request timed out 
+    * and it has been destroyed.
+    * This will be called if the user fails to create a SIP connection
+    * and does not send an appropriate SIP response.
+    *
+    * @param aRequestId the request id of the request
+	*/
+	virtual void TimeOut(TUint32 aRequestId) = 0; 
+
+    /**
+	* Finds a client transaction based on its request id and
+	* passes the response to that client transaction and
+	* notifies the client about the received challenge.
+    *
+    * @param aRequestId the request id of the transaction
+    * @param aResponse the received response containing the challenge(s).
+    *        The ownership is transferred.
+	* @param aObserver the observer that the response should be passed to
+	*/	 
+	virtual void ChallengeReceivedL(
+	    TUint32 aRequestId,
+	    CSIPResponseElements* aResponse,
+	    MSIPHttpDigestChallengeObserver2& aObserver) = 0;
+
+    /**
+	* Finds a refresh based on its id and passes the response 
+	* to the refresh and notifies the client about the received challenge.
+    *
+    * @param aRefreshId the refresh id
+    * @param aResponse the received response containing the challenge(s).
+    *        The ownership is transferred.
+	* @param aObserver the observer that the response should be passed to
+	*/	 
+	virtual void ChallengeReceivedInRefreshL(
+	    TUint32 aRefreshId,
+	    TUint32 aRequestId,
+	    CSIPResponseElements* aResponse,
+	    MSIPHttpDigestChallengeObserver2& aObserver) = 0;    
+	};
+
+#endif // MSIPCLIENTOBSERVER_H
+
+// End of File