WORD	GSM_DeactivateGprs(void)
{
 if(ModemGsm.Signal.Control.RcvMessage){
  if(GSM_CompareMessage("DEACT OK")){
   ModemGsm.Signal.Control.CommandOK = TRUE;
   ModemGsm.Semaphore.Control.GprsAttach = FALSE;
   Gsm.State = NONE;
   ModemGsm.Signal.Control.RcvMessage = FALSE;
   return 0;
  }
 }
 switch(Gsm.State){
  case GPRS_DEACTIVATE:
   Gsm.State = NONE;
   strcpy((char*)Gsm.CommandData, GSMCommand[mcQIDEACT]);
   Gsm.ActualCommand = mcQIDEACT;
   ModemGsm.Signal.Control.SendCommand = TRUE;
   break;
 }	
 return 1;
}