protected override void DoMarshal(PduMarshaler marshaler)
{
marshaler.WriteByte(Pad);
marshaler.WriteUInt16(Version);
marshaler.WriteUInt16(PriorityCharge0);
marshaler.WriteUInt16(PriorityCharge1);
marshaler.WriteUInt16(PriorityCharge2);
marshaler.WriteUInt16(PriorityCharge3);
}