Patent ID: 8385315

Claim:
A method of operating a router system in a communication system which includes a host service, the router system, and a mobile device configured to operate in a wireless network which is connected to the router system, the method comprising: receiving at the router system a message from a host service, the message being intended for delivery to the mobile device via the wireless network, the message including at least: a first field which includes an identifier which identifies the mobile device; a second field which includes a payload of the message; a third field which includes a return packet indication on whether to return a return packet to the host service; in response to receiving the message: examining the return packet indication in the message; if the return packet indication is set to a first setting, then returning to the host service a return packet which indicates a status associated with the message for delivery to the mobile device; and if the return packet indication is set to a second setting, then not returning to the host service the return packet which indicates the status associated with the message for delivery to the mobile device.