/*****************************************************************************

  FileName:		q931StateNT.c

  Contents:		Q.931 State Engine for NT (Network Mode).

				The controlling state engine for Q.931 is the state engine
				on the NT side. The state engine on the TE side is a slave 
				of this. The TE side maintain it's own states as described in
				ITU-T Q931, but will in	raise conditions be overridden by 
				the NT side.

  License/Copyright:

  Copyright (c) 2007, Jan Vidar Berger, Case Labs, Ltd. All rights reserved.
  email:janvb@caselaboratories.com  

  Redistribution and use in source and binary forms, with or without 
  modification, are permitted provided that the following conditions are 
  met:

    * Redistributions of source code must retain the above copyright notice, 
	  this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice, 
	  this list of conditions and the following disclaimer in the documentation 
	  and/or other materials provided with the distribution.
    * Neither the name of the Case Labs, Ltd nor the names of its contributors 
	  may be used to endorse or promote products derived from this software 
	  without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/

#include "Q931.h"

extern L3INT Q931L4HeaderSpace;

/*****************************************************************************
  Function:		Q931CreateNT

  Description:	Will create the Q931 NT as a Dialect in the stack. The first
				bulk set up the message handlers, the second bulk the IE
				encoders/coders, and the last bulk set up the state table.

  Parameters:	i		Dialect index
*****************************************************************************/
void Q931CreateNT(L3UCHAR i)
{
    Q931SetMesProc(Q931mes_ALERTING,            i,Q931ProcAlertingNT,          Q931Umes_Alerting,          Q931Pmes_Alerting);
    Q931SetMesProc(Q931mes_CALL_PROCEEDING,     i,Q931ProcCallProceedingNT,    Q931Umes_CallProceeding,    Q931Pmes_CallProceeding);
    Q931SetMesProc(Q931mes_CONNECT,             i,Q931ProcConnectNT,           Q931Umes_Connect,           Q931Pmes_Connect);
    Q931SetMesProc(Q931mes_CONNECT_ACKNOWLEDGE, i,Q931ProcConnectAckNT,        Q931Umes_ConnectAck,        Q931Pmes_ConnectAck);
    Q931SetMesProc(Q931mes_PROGRESS,            i,Q931ProcProgressNT,          Q931Umes_Progress,          Q931Pmes_Progress);
    Q931SetMesProc(Q931mes_SETUP,               i,Q931ProcSetupNT,             Q931Umes_Setup,             Q931Pmes_Setup);
    Q931SetMesProc(Q931mes_SETUP_ACKNOWLEDGE,   i,Q931ProcSetupAckNT,          Q931Umes_SetupAck,          Q931Pmes_SetupAck);
    Q931SetMesProc(Q931mes_RESUME,              i,Q931ProcResumeNT,            Q931Umes_Resume,            Q931Pmes_Resume);
    Q931SetMesProc(Q931mes_RESUME_ACKNOWLEDGE,  i,Q931ProcResumeAckNT,         Q931Umes_ResumeAck,         Q931Pmes_ResumeAck);
    Q931SetMesProc(Q931mes_RESUME_REJECT,       i,Q931ProcResumeRejectNT,      Q931Umes_ResumeReject,      Q931Pmes_ResumeReject);
    Q931SetMesProc(Q931mes_SUSPEND,             i,Q931ProcSuspendNT,           Q931Umes_Suspend,           Q931Pmes_Suspend);
    Q931SetMesProc(Q931mes_SUSPEND_ACKNOWLEDGE, i,Q931ProcSuspendAckNT,        Q931Umes_SuspendAck,        Q931Pmes_SuspendAck);
    Q931SetMesProc(Q931mes_SUSPEND_REJECT,      i,Q931ProcSuspendRejectNT,     Q931Umes_SuspendReject,     Q931Pmes_SuspendReject);
    Q931SetMesProc(Q931mes_USER_INFORMATION,    i,Q931ProcUserInformationNT,   Q931Umes_UserInformation,   Q931Pmes_UserInformation);
    Q931SetMesProc(Q931mes_DISCONNECT,          i,Q931ProcDisconnectNT,        Q931Umes_Disconnect,        Q931Pmes_Disconnect);
    Q931SetMesProc(Q931mes_RELEASE,             i,Q931ProcReleaseNT,           Q931Umes_Release,           Q931Pmes_Release);
    Q931SetMesProc(Q931mes_RELEASE_COMPLETE,    i,Q931ProcReleaseCompleteNT,   Q931Umes_ReleaseComplete,   Q931Pmes_ReleaseComplete);
    Q931SetMesProc(Q931mes_RESTART,             i,Q931ProcRestartNT,           Q931Umes_Restart,           Q931Pmes_Restart);
    Q931SetMesProc(Q931mes_RESTART_ACKNOWLEDGE, i,Q931ProcRestartAckNT,        Q931Umes_RestartAck,        Q931Pmes_RestartAck);
    Q931SetMesProc(Q931mes_CONGESTION_CONTROL,  i,Q931ProcCongestionControlNT, Q931Umes_CongestionControl, Q931Pmes_CongestionControl);
    Q931SetMesProc(Q931mes_INFORMATION,         i,Q931ProcInformationNT,       Q931Umes_Information,       Q931Pmes_Information);
    Q931SetMesProc(Q931mes_NOTIFY,              i,Q931ProcNotifyNT,            Q931Umes_Notify,            Q931Pmes_Notify);
    Q931SetMesProc(Q931mes_STATUS,              i,Q931ProcStatusNT,            Q931Umes_Status,            Q931Pmes_Status);
    Q931SetMesProc(Q931mes_STATUS_ENQUIRY,      i,Q931ProcStatusEnquiryNT,     Q931Umes_StatusEnquiry,     Q931Pmes_StatusEnquiry);
    Q931SetMesProc(Q931mes_SEGMENT,             i,Q931ProcSegmentNT,           Q931Umes_Segment,           Q931Pmes_Segment);

    Q931SetMesProc(Q932mes_FACILITY,            i,Q932ProcFacilityNT,          Q932Umes_Facility,          Q932Pmes_Facility);
    Q931SetMesProc(Q932mes_HOLD,                i,Q932ProcHoldNT,		       Q932Umes_Hold,              Q932Pmes_Hold);
    Q931SetMesProc(Q932mes_HOLD_ACKNOWLEDGE,    i,Q932ProcHoldAckNT,           Q932Umes_HoldAck,           Q932Pmes_HoldAck);
    Q931SetMesProc(Q932mes_HOLD_REJECT,         i,Q932ProcHoldRejectNT,        Q932Umes_HoldReject,        Q932Pmes_HoldReject);
    Q931SetMesProc(Q932mes_REGISTER,            i,Q932ProcRegisterNT,          Q932Umes_Register,          Q932Pmes_Register);
    Q931SetMesProc(Q932mes_RETRIEVE,            i,Q932ProcRetrieveNT,          Q932Umes_Retrieve,          Q932Pmes_Retrieve);
    Q931SetMesProc(Q932mes_RETRIEVE_ACKNOWLEDGE,i,Q932ProcRetrieveAckNT,       Q932Umes_RetrieveAck,       Q932Pmes_RetrieveAck);
    Q931SetMesProc(Q932mes_RETRIEVE_REJECT,     i,Q932ProcRetrieveRejectNT,    Q932Umes_RetrieveReject,    Q932Pmes_RetrieveReject);

	/* Set up the IE encoder/decoder handle table.*/ 
    Q931SetIEProc(Q931ie_SEGMENTED_MESSAGE,                i,Q931Pie_Segment,			Q931Uie_Segment);
    Q931SetIEProc(Q931ie_BEARER_CAPABILITY,                i,Q931Pie_BearerCap,			Q931Uie_BearerCap);
    Q931SetIEProc(Q931ie_CAUSE,                            i,Q931Pie_Cause,				Q931Uie_Cause);
    Q931SetIEProc(Q931ie_CALL_IDENTITY,                    i,Q931Pie_CallID,			Q931Uie_CallID);
    Q931SetIEProc(Q931ie_CALL_STATE,                       i,Q931Pie_CallState,			Q931Uie_CallState);
    Q931SetIEProc(Q931ie_CHANNEL_IDENTIFICATION,           i,Q931Pie_ChanID,			Q931Uie_ChanID);
    Q931SetIEProc(Q931ie_PROGRESS_INDICATOR,               i,Q931Pie_ProgInd,			Q931Uie_ProgInd);
    Q931SetIEProc(Q931ie_NETWORK_SPECIFIC_FACILITIES,      i,Q931Pie_NetFac,			Q931Uie_NetFac);
    Q931SetIEProc(Q931ie_NOTIFICATION_INDICATOR,           i,Q931Pie_NotifInd,			Q931Uie_NotifInd);
    Q931SetIEProc(Q931ie_DISPLAY,                          i,Q931Pie_Display,			Q931Uie_Display);
    Q931SetIEProc(Q931ie_DATETIME,                         i,Q931Pie_DateTime,			Q931Uie_DateTime);
    Q931SetIEProc(Q931ie_KEYPAD_FACILITY,                  i,Q931Pie_KeypadFac,			Q931Uie_KeypadFac);
    Q931SetIEProc(Q931ie_SIGNAL,                           i,Q931Pie_Signal,			Q931Uie_Signal);
    Q931SetIEProc(Q931ie_TRANSIT_DELAY_SELECTION_AND_IND,  i,Q931Pie_TransNetSel,		Q931Uie_TransNetSel);
    Q931SetIEProc(Q931ie_CALLING_PARTY_NUMBER,             i,Q931Pie_CallingNum,		Q931Uie_CallingNum);
    Q931SetIEProc(Q931ie_CALLING_PARTY_SUBADDRESS,         i,Q931Pie_CallingSub,		Q931Uie_CallingSub);
    Q931SetIEProc(Q931ie_CALLED_PARTY_NUMBER,              i,Q931Pie_CalledNum,			Q931Uie_CalledNum);
    Q931SetIEProc(Q931ie_CALLED_PARTY_SUBADDRESS,          i,Q931Pie_CalledSub,			Q931Uie_CalledSub);
    Q931SetIEProc(Q931ie_TRANSIT_NETWORK_SELECTION,        i,Q931Pie_TransNetSel,		Q931Uie_TransNetSel);
    Q931SetIEProc(Q931ie_RESTART_INDICATOR,                i,Q931Pie_RestartInd,		Q931Uie_RestartInd);
    Q931SetIEProc(Q931ie_LOW_LAYER_COMPATIBILITY,          i,Q931Pie_LLComp,			Q931Uie_LLComp);
    Q931SetIEProc(Q931ie_HIGH_LAYER_COMPATIBILITY,         i,Q931Pie_HLComp,			Q931Uie_HLComp);
    Q931SetIEProc(Q931ie_USER_USER,                        i,Q931Pie_UserUser,			Q931Uie_UserUser);

	/* The following define a state machine. The point is that the Message	*/
	/* procs can when search this to find out if the message/state			*/
	/* combination is legale. If not, the proc for unexpected message apply.*/

	/* TODO define state table here */
}

/*****************************************************************************

  Function:		Q931ProcAlertingNT

*****************************************************************************/
L3INT Q931ProcAlertingNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* Reset 4 sec timer. */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcCallProceedingNT

*****************************************************************************/
L3INT Q931ProcCallProceedingNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcConnectNT

*****************************************************************************/
L3INT Q931ProcConnectNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcConnectAckNT

*****************************************************************************/
L3INT Q931ProcConnectAckNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcProgressNT

*****************************************************************************/
L3INT Q931ProcProgressNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcSetupNT

  Description:	Process a SETUP message.

 *****************************************************************************/
L3INT Q931ProcSetupNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT rc=0;
	Q931mes_Setup *pMes = (Q931mes_Setup *)&buf[Q931L4HeaderSpace];
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;

    /* Reject SETUP on existing calls */
    if(Q931GetCallState(pTrunk, pMes->CRV) != Q931_U0)
    {
        Q931Disconnect(pTrunk, iFrom, pMes->CRV, 81);
        return Q931E_UNEXPECTED_MESSAGE;
    }

	/* outgoing call */
    if(iFrom == 4)
    {
        ret = Q931CreateCRV(pTrunk, &callIndex);
        if(ret)
            return ret;
        pMes->CRV = pTrunk->call[callIndex].CRV;

        ret = Q931Tx32(pTrunk,buf,pMes->Size);
        if(ret)
            return ret;

        Q931StartTimer(pTrunk, callIndex, 303);

        Q931SetState(pTrunk, callIndex, Q931_U1);
    }
	/* incoming call */
    else 
    {
        /* Locate free CRV entry and store info */
        ret = Q931AllocateCRV(pTrunk, pMes->CRV, &callIndex);
        if(ret != Q931E_NO_ERROR)
        {
            /* Not possible to allocate CRV entry, so must reject call */

            Q931Disconnect(pTrunk, iFrom, pMes->CRV, 42);

            return ret;
        }

        /* Send setup indication to user */
        ret = Q931Tx34(pTrunk,(L3UCHAR*)pMes,pMes->Size);
        if(ret != Q931E_NO_ERROR)
            return ret;
		else
		{
			/* Must be full queue, meaning we can't process the call */
			/* so we must disconnect */
	        Q931Disconnect(pTrunk, iFrom, pMes->CRV, 81);
	        return ret;
		}

#if 0
		/* TODO: Unreachable code??? */
        /* Set state U6 */
        Q931SetState(pTrunk, callIndex, Q931_U6);

        Q931StartTimer(pTrunk, callIndex, 303);
#endif

	}

	return rc;
}

/*****************************************************************************

  Function:		Q931ProcSetupAckNT

  Description:	Used to acknowedge a SETUP. Usually the first initial
				response recevide back used to buy some time.

				Note that ChanID (B Channel Assignment) might come here from
				NT side.

*****************************************************************************/
L3INT Q931ProcSetupAckNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcResumeNT

*****************************************************************************/
L3INT Q931ProcResumeNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcResumeAckNT

*****************************************************************************/
L3INT Q931ProcResumeAckNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcResumeRejectNT

*****************************************************************************/
L3INT Q931ProcResumeRejectNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcSuspendNT

*****************************************************************************/
L3INT Q931ProcSuspendNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcSuspendAckNT

*****************************************************************************/
L3INT Q931ProcSuspendAckNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcSuspendRejectNT

*****************************************************************************/
L3INT Q931ProcSuspendRejectNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcInformationNT

*****************************************************************************/
L3INT Q931ProcUserInformationNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcDisconnectNT

*****************************************************************************/
L3INT Q931ProcDisconnectNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcReleaseNT

*****************************************************************************/
L3INT Q931ProcReleaseNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcReleaseCompleteNT

*****************************************************************************/
L3INT Q931ProcReleaseCompleteNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcRestartNT

*****************************************************************************/
L3INT Q931ProcRestartNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcRestartAckNT

*****************************************************************************/
L3INT Q931ProcRestartAckNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcCongestionControlNT

*****************************************************************************/
L3INT Q931ProcCongestionControlNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcInformationNT

*****************************************************************************/
L3INT Q931ProcInformationNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcNotifyNT

*****************************************************************************/
L3INT Q931ProcNotifyNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcStatusNT

*****************************************************************************/
L3INT Q931ProcStatusNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcStatusEnquiryNT

*****************************************************************************/
L3INT Q931ProcStatusEnquiryNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcSegmentNT

*****************************************************************************/
L3INT Q931ProcSegmentNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/****************************************************************************/
/******************* Q.932 - Supplementary Services *************************/
/****************************************************************************/

/*****************************************************************************

  Function:		Q932ProcFacilityNT

*****************************************************************************/
L3INT Q932ProcFacilityNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q932ProcHoldNT

*****************************************************************************/
L3INT Q932ProcHoldNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q932ProcHoldAckNT

*****************************************************************************/
L3INT Q932ProcHoldAckNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q932ProcHoldRejectNT

*****************************************************************************/
L3INT Q932ProcHoldRejectNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q932ProcRegisterTE

*****************************************************************************/
L3INT Q932ProcRegisterNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q932ProcRetrieveNT

*****************************************************************************/
L3INT Q932ProcRetrieveNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcRetrieveAckNT

*****************************************************************************/
L3INT Q932ProcRetrieveAckNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}

/*****************************************************************************

  Function:		Q931ProcRetrieveRejectNT

*****************************************************************************/
L3INT Q932ProcRetrieveRejectNT(Q931_TrunkInfo *pTrunk, L3UCHAR * buf, L3INT iFrom)
{
    L3INT callIndex;
    L3INT ret=Q931E_NO_ERROR;
	Q931mes_Header *pMes = (Q931mes_Header *)&buf[Q931L4HeaderSpace];

	/* Find the call using CRV */
	ret = Q931FindCRV(pTrunk, pMes->CRV, &callIndex);
	if(ret != Q931E_NO_ERROR)
		return ret;

	/* TODO chack against state table for illegal or unexpected message here*/

	/* TODO - Set correct timer here */
    Q931StartTimer(pTrunk, callIndex, 303);
	if(iFrom == 4)
	{
		/* TODO Add proc here*/
        ret = Q931Tx32(pTrunk,buf,pMes->Size);
	}
	else if (iFrom ==2)
	{
		/* TODO Add proc here*/
        ret = Q931Tx34(pTrunk,buf,pMes->Size);
	}
	return ret;
}