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Messaging advise in presence-aware networks

  • US 8,014,497 B2
  • Filed: 10/13/2006
  • Issued: 09/06/2011
  • Est. Priority Date: 01/20/2003
  • Status: Active Grant
First Claim
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1. In a presence aware communications system including:

  • a messaging system operable to receive, store, and provide messages to subscribers;

    a presence server operable to receive messages regarding addresses of available communication devices of subscribers and provide one or more of the addresses to the messaging system; and

    a presence information database, accessible by the presence server, operable to store the addresses, a method comprising;

    establishing a messaging session between the messaging system and a communication device of a subscriber;

    while the messaging session is in progress, receiving an incoming contact for the subscriber;

    in response, querying the presence server for a current address of the subscriber;

    receiving, in response to the query, a barge-in address;

    announcing the incoming contact to the subscriber at the barge-in address;

    receiving, from the subscriber, an acceptance of the incoming contact; and

    in response, sending a call setup message to a communication device of a contactor making the incoming contact, the call setup message comprising parameters which allow the contactor to join the subscriber in a new session, wherein the messaging session is suspended in response to the receipt of an acceptance of the incoming contact, wherein the call setup message comprises an OK message including the messaging system'"'"'s address, codec, and listening port number.

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