Methods, systems, and computer program products for providing presence gateway functionality in a telecommunications network
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United States of America Patent
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Apr 26, 2011
Grant Date -
Dec 1, 2005
app pub date -
Mar 11, 2005
filing date -
Mar 11, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for providing presence gateway functionality includes deriving presence information for subscribers in a first set of subscribers based on telecommunications signaling messages. The first set of subscribers includes at least one subscriber who is not a subscribed-to presentity. The method also includes determining whether presence status information for a subscriber in the first set of subscribers has changed. In response to detecting a change in presence status, it is determined whether the subscriber is a subscribed-to presentity. If the subscriber is a subscribed-to presentity, a presence server is notified of the change in status of the subscriber.
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