code: def status(AuxiliaryStates_presence=0):
      
      a = TpPd(pd=0x3)
      b = MessageType(mesType=0x3d)  # 00111101
      c = Cause()
      d = CallState()
      packet = a / b / c / d
      if AuxiliaryStates_presence is 1:
          e = AuxiliaryStatesHdr(ieiAS=0x24, eightBitAS=0x0)
          packet = packet / e
      return packet
docs: STATUS Section 9.3.27