--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Registration/src/csipregistrationstate.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,93 @@
+/*
+* 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        : csipregistrationstate.h
+* Part of     : SIP Registration
+* Version     : SIP/4.0
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+#ifndef CSIPREGISTRATIONSTATE_H
+#define CSIPREGISTRATIONSTATE_H
+
+// INCLUDES
+#include <e32base.h>
+#include "SipStackServerDefs.h"
+#include "mregistrationcontext.h"
+
+// FORWARD DECLARATIONS
+class CSIPRequest;
+class CSIPResponse;
+class CSIPRouteHeader;
+
+// CONSTANTS
+const TUint K423Response = 423;
+
+/*
+ * Base class for all registration states.
+ */
+class CSIPRegistrationState : public CBase
+	{
+public:
+	virtual ~CSIPRegistrationState();
+
+	virtual void RegisterL(TTransactionId&  aTransactionId, 
+		                   CSIPRequest*     aRequest,
+		                   CSIPRouteHeader* aOutboundProxy);
+
+	virtual void UpdateL(TTransactionId& aTransactionId,
+					     CSIPRequest*    aRequest);
+
+	virtual void UnregisterL(TTransactionId& aTransactionId,
+							 CSIPRequest*    aRequest);
+	
+	virtual void ReceiveL(TTransactionId aTransactionId,
+		                  CSIPResponse*  aResponse);
+
+	virtual TInt TransactionEnded(TTransactionId aTransactionId, 
+		                          TInt           aReason) = 0;
+		                          
+	virtual TBool Retrying() const;	                    
+
+protected:
+
+	void PassResponseToOwnerL(
+		CSIPResponse*   aResponse,
+		TTransactionId  aTransactionId,
+		TRegistrationId aRegistrationId = KEmptyRegistrationId);
+
+	TInt PassErrorToOwner(
+		TInt aReason, 
+		TTransactionId  aTransactionId,
+		TRegistrationId aRegistrationId = KEmptyRegistrationId);
+
+protected:
+
+	CSIPRegistrationState(MRegistrationContext& aRegistration);
+
+protected: // Data
+
+	MRegistrationContext& iRegistration;
+	};
+
+#endif // CSIPREGISTRATIONSTATE_H
+
+// end of file