def ccEstablishment():
 a = TpPd(pd=3)
 b = MessageType(mesType=4)
 c = SetupContainer()
 packet = ((a / b) / c)
 return packet

def ccEstablishment ( ) : a = TpPd ( pd = 3 ) b = MessageType ( mesType = 4 ) c = SetupContainer ( ) packet = ( ( a / b ) / c ) return packet
cc-establishment section 9 .