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Use of persistent sessions by a presence access layer

  • US 8,312,092 B2
  • Filed: 01/20/2012
  • Issued: 11/13/2012
  • Est. Priority Date: 10/15/2008
  • Status: Active Grant
First Claim
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1. A non-transitory computer readable medium storing instructions which are configured to cause a computing device to execute a server that performs a method comprising:

  • receiving a request from a watcher for a presence aspect derived from presence information associated with a presentity;

    subscribing on behalf of the watcher, based on the request that was received, with a presence server to receive the presence information associated with the presentity;

    processing complex presence information that is received from the presence server based on the subscribing to determine a single value of the presence aspect which is an abstraction or consolidation of the complex presence information; and

    transmitting the single value to the watcher instead of the complex presence information;

    wherein the presence aspect relates to at least one of the presentity'"'"'s availability to communicate and the presentity'"'"'s willingness to communicate, and wherein the single value is “

    true”

    or “

    willing”

    for affirmative willingness, “

    false”

    or “

    unwilling”

    for negative willingness, “

    true”

    or “

    available”

    for affirmative availability, and “

    false”

    or “

    unavailable”

    for negative availability.

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