--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/mmshavailability/inc/musavasipobserver.h	Thu Dec 17 08:44:37 2009 +0200
@@ -0,0 +1,132 @@
+/*
+* Copyright (c) 2005-2006 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:  This observer is used to get function call from SIP Server
+*
+*/
+
+
+#ifndef MUSAVASIPOBSERVER
+#define MUSAVASIPOBSERVER
+
+//  INCLUDES
+#include "musunittesting.h"
+#include <sipobserver.h>
+
+#include <e32base.h>
+#include <e32std.h>
+
+class CSIPServerTransaction;
+class MMusAvaSipAdapter;
+/**
+ *  SIP Observer class 
+ *
+ *  SIP Server Observer interface for MusAvailability Plug-in.
+ *
+ *  @lib musavailabilityplugin.lib
+ *  @since S60 v3.2
+ */
+
+
+class CMusAvaSipObserver : public CBase, 
+                           public MSIPObserver
+	{
+public:
+	/**
+     * Two-phased constructor
+     *
+     * @since S60 v3.2
+     * @param aObserver Pointer to observer intercase
+     * @return Returns pointer to CMusAvaInterface object
+     */
+     
+	static CMusAvaSipObserver* NewL();
+	
+	/**
+     * Destructor
+     *
+     * @since S60 v3.2
+     * @param 
+     * @return 
+     */
+
+	~CMusAvaSipObserver();
+	
+	protected:
+	/**
+     * Constructor
+     *
+     * @since S60 v3.2 
+     * @return 
+     */
+
+	CMusAvaSipObserver();
+	
+	/**
+     * Perform the second phase construction of a
+     *             CMusAvaSipObserver object
+     *
+     * @since S60 v3.2
+     * @param 
+     * @return 
+     */
+
+	void ConstructL();
+	
+public: // new functions
+
+    void AddObserverL( MMusAvaSipAdapter& aAdapter, TInt aIndex );
+    
+    void RemoveObserver( MMusAvaSipAdapter& aAdapter );
+
+public: // from base class MSIPObserver
+	
+   /**
+    * A SIP request has been received from the network.
+    * This function is called when the SIP request was received using such
+    * an IAP, for which the application has not created a CSIPConnection
+    * object.
+    *
+    * @since  S60 v3.2
+    * @pre aTransaction != 0
+    * @param aIapId The IapId from which the SIP request was received.
+    * @param aTransaction contains local address, remote address of a SIP
+    *        message, as well as optional SIP message method, headers and
+    *        body. The ownership is transferred.
+    * @return 
+    */
+    void IncomingRequest(TUint32 aIapId,
+                                 CSIPServerTransaction* aTransaction);
+
+    /**
+    * The received SIP request time-outed and it is invalid i.e. cannot be used
+    * anymore.
+    * This will be called if the user fails to create a SIP connection and
+    * does not send an appropriate SIP response.
+    *
+    * @since  S60 v3.2
+    * @param aTransaction The time-outed transaction.
+    * @return 
+    */
+    void TimedOut(CSIPServerTransaction& aTransaction);
+    
+private:
+    
+    RPointerArray<MMusAvaSipAdapter> iObservers;
+    
+    MUS_UNITTEST( UT_CMusAvaSipObserver )
+    
+    };
+
+
+#endif //MMUSAVASIPOBSERVER