Method of automatically updating presence information

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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Details

C455S404200, C455S414100, C455S414200, C455S456200, C455S456300, C455S456500, C455S456600, C709S206000, C709S207000

Reexamination Certificate

active

10004568

ABSTRACT:
A method, apparatus, and signal-bearing media for determining a presence rule for a mobile device and updating presence information for the mobile device when the presence rule is met. The presence rule may have a condition and a corresponding state. When the condition is met, the corresponding state is saved in the presence information. The presence information may also contain reachability information for the mobile device.

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