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Presence system with proximity presence status

  • US 7,907,955 B2
  • Filed: 02/07/2006
  • Issued: 03/15/2011
  • Est. Priority Date: 02/07/2006
  • Status: Active Grant
First Claim
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1. A presence information system comprising:

  • a communication interface;

    a memory comprising;

    a first presence state for a system subscriber;

    a proximity presence detection message, including a subscriber identifier of the system subscriber, received by the communication interface from a transceiver which detects a wireless communication device carried by the system subscriber, wherein said transceiver is one of a plurality of transceivers;

    a proximity mapping from wireless receiver identifiers to wireless receiver locations; and

    a presence processing program comprising instructions stored on a machine readable medium for execution by a processor coupled to the communication interface and the memory, which;

    create a proximity presence state for the system subscriber based on the proximity presence detection message, wherein the proximity presence state comprises a proximity range determined based on the proximity mapping;

    prepare a proximity presence update message comprising the proximity presence state; and

    initiate communication of the proximity presence update message to a presence subscriber.

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