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Distributed services based on presence technology

  • US 7,711,810 B2
  • Filed: 01/03/2003
  • Issued: 05/04/2010
  • Est. Priority Date: 01/03/2003
  • Status: Expired due to Fees
First Claim
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1. A method for providing distributed communication services comprising:

  • a) subscribing to a plurality of presentities for participant devices to receive notification when the participant devices change state, the participant devices adapted to provide a communication service;

    b) receiving a subscribe request from the presentities to provide notification of a change in state;

    c) determining the change in state; and

    d) notifying the presentities of the change in state.

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