--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telephonyserverplugins/multimodetsy/Multimode/gprs/ATGprsContextDeactivate.H	Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,68 @@
+// Copyright (c) 2001-2009 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:
+//
+
+/**
+ @file
+ @internalAll 
+*/
+
+#ifndef __ATGPRSCONTEXTDEACTIVATE_H
+#define __ATGPRSCONTEXTDEACTIVATE_H
+#include "ATBASE.H"
+
+class CPhoneGlobals;
+
+class CATGprsContextDeactivate : public CATCommands
+/**
+Sends the AT command to deactivate a context to the network.
+CATGprsContextDeactivate inherits from the CATCommands class. 
+This class transmits the following commands: ATH, +++ and ATH.
+This will release the ppp chain and return to AT command mode.
+@internalComponent
+*/
+	{
+public:
+	static CATGprsContextDeactivate * NewL(CATIO* aIo, CTelObject* aTelObject, CATInit* aInit, CPhoneGlobals* aPhoneGlobals);
+	
+	~CATGprsContextDeactivate ();
+	virtual void Start(TTsyReqHandle aTsyReqHandle, TAny* /*aDummy*/);
+	virtual void Stop(TTsyReqHandle aTsyReqHandle);
+protected:
+	CATGprsContextDeactivate (CATIO* aIo, CTelObject* aTelObject, CATInit* aInit, CPhoneGlobals* aPhoneGlobals);
+	void ConstructL();
+	virtual void EventSignal(TEventSource aSource);
+	virtual void CompleteWithIOError(TEventSource aSource,TInt aStatus);
+	virtual void Complete(TInt aError,TEventSource aSource);
+private:
+	void ValidateHangUpExpectStringL();
+private:
+	CCommChatString* iNoCarrierExpectString;				//< Pointer to response string.
+	enum													
+		{
+		EATNotInProgress,									
+		EDTRDropped,
+		EWaitForDTRRaiseSettle,
+		EATEscapeSeqWaitForWriteComplete,
+		EATEscapeSeqCompleted,
+		EATHangupWaitForWriteComplete,
+		EATHangupReadCompleted,
+		EHangUpCancelling
+		} iState;											//< Enum for class states.
+
+	};
+
+
+
+#endif