--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/sipapi/src/sipdialogtrying.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,124 @@
+/*
+* Copyright (c) 2003-2009 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        : sipdialogtrying.h
+* Part of     : SIPAPI
+* Interface   : 
+* Version     :
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+#ifndef CDIALOGTRYING_H
+#define CDIALOGTRYING_H
+
+// INCLUDES
+#include "sipdialogstate.h"
+
+// FORWARD DECLARATIONS
+
+// CLASS DECLARATION
+
+class CDialogTrying : public CDialogState
+	{
+public: // Constructors and destructor
+
+    static CDialogTrying* NewL();
+	~CDialogTrying();
+
+public: // From CDialogState
+
+    CSIPDialog::TState State() const;
+    
+    CSIPClientTransaction*
+        SendInviteL(const CSIPDialogImplementation& aDialog,
+                    CSIPInviteDialogAssoc& aAssoc,
+                    CSIPMessageElements* aElements) const;
+
+    CSIPClientTransaction*
+        SendSubscribeL(const CSIPDialogImplementation& aDialog,
+                       CSIPSubscribeDialogAssoc& aAssoc,
+                       CSIPMessageElements* aElements,
+                       CSIPRefresh* aRefresh) const;
+
+	CSIPClientTransaction*
+		SendReferL(const CSIPDialogImplementation& aDialog,
+				   CSIPReferDialogAssoc& aAssoc,
+                   CSIPMessageElements* aElements) const;
+                   
+    void SendResponseL(CSIPDialogImplementation& aDialog,
+                       const CSIPResponseElements& aElements,
+					   TUint32 aRequestId,
+                       TBool aAffectsDialogState,
+                       TBool aTargetRefresh) const;    
+
+    TBool IncomingResponseL(CSIPDialogImplementation& aDialog,
+                            CSIPResponseElements* aElements,
+		                    TUint32 aRequestId,
+                            TUint32 aDialogId,
+                            CConnectionCallback& aCallback) const;
+
+    TBool IncomingResponseL(CSIPDialogImplementation& aDialog,
+                            CSIPResponseElements* aElements,
+		                    TUint32 aRequestId,
+                            TUint32 aRefreshId,
+                            TUint32 aDialogId,
+                            CConnectionCallback& aCallback) const;
+
+    TBool IncomingRequestL(CSIPDialogImplementation& aDialog,
+                           CSIPServerTransaction* aTransaction,
+                           CConnectionCallback& aCallback) const;                          
+
+    TBool ErrorOccured(CSIPDialogImplementation& aDialog,
+                       TInt aError,
+                       TUint32 aRequestId,
+                       CConnectionCallback& aCallback) const;
+
+	TBool ErrorOccured(CSIPDialogImplementation& aDialog,
+                       TInt aError,
+                       TUint32 aRefreshId,
+                       TUint32 aRequestId,
+                       CConnectionCallback& aCallback) const;
+                                  
+    void ConnectionLost(CSIPDialogImplementation& aDialog) const;
+
+public: // New functions
+
+	void SetNeighbourStates(CDialogState& aEarly,
+                            CDialogState& aConfirmed,
+                            CDialogState& aTerminated);
+
+private: // Constructor
+
+	CDialogTrying();
+
+private: // Data
+
+    //States which can be reached from Trying state    
+    CDialogState* iEarly;
+    CDialogState* iConfirmed;
+    CDialogState* iTerminated;
+
+private: // For testing purposes
+
+    UNIT_TEST(CSIPDialogTrying_Test)
+	};
+
+#endif