Patent ID: 8165611

Claim:
A method in a router system for data message delivery from a host service to a wireless mobile device operative in a wireless communication network, the method comprising the steps of: maintaining, in the router system, a status for said wireless mobile device of at least one of available and unavailable; receiving, at said router system from said host service, a user data message that is addressed to an address of said wireless mobile device, said user data message comprising a user data payload and one or more request parameters, said one or more request parameters instructing said router system on whether to return at least a portion of said user data message to said host service when said device status is unavailable; in response to said user data message being received at said router system when said device status is available: delivering, from said router system, said user data message to said wireless mobile device via said wireless communication network; in response to said user data message being received at said router system when said device status is unavailable: not delivering said user data message from said router system to said wireless mobile device; and sending, from said router system, said at least user data message portion to said host service.