Method and apparatus for deriving presence information using...

Details Method and apparatus for deriving presence information using... Method and apparatus for deriving presence information using...

H - Electricity

04

W

H04W 8/18 (2009.01) H04W 4/12 (2009.01) H04L 12/16 (2006.01) H04L 12/26 (2006.01)

Patent

CA 2612929

A method and apparatus for deriving presence information of a mobile device at a presence node in a wireless system, the method having the steps of: analyzing a message received from the mobile device to determine a message type; and allocating a state for the mobile device depending on the message type found in the analyzing step. The apparatus is a presence node for deriving and maintaining presence information of a mobile device in a wireless system, the mobile device communicating with a network node, the presence node having: a communication system for communicating with the network node; a processor; and an application running on the processor, the application having means for analyzing a message received from the mobile device at the network node to determine a message type; and allocating a state for the mobile device depending on the message type found in the analyzing step.

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