Method and system for supporting the communication of presence information regarding one or more telephony devices
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United States of America Patent
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Feb 17, 2009
Grant Date -
Aug 24, 2006
app pub date -
Jan 13, 2006
filing date -
May 15, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system for detecting and communicating the presence of one or more computing devices is presented. The invention also presents a method and system for aggregating presence information generated by multiple devices associated with a single user. A server acting as a presence agent on behalf of a first user receives and responds to a subscription request generated by a computing device operated by a second user that wishes to be permitted as a watcher of the first user. When the second user corresponds to access preferences specified by the first user, a notify message is sent to the second user's device that includes presence information indicative of an activity level and availability level associated with the first user. When the first user employs multiple computing devices, the server generates an aggregate presence document that is representative of the overall presence of the first user.
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