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Methods and systems for providing application level presence information in wireless communication

  • US 8,312,076 B2
  • Filed: 10/15/2007
  • Issued: 11/13/2012
  • Est. Priority Date: 11/20/2000
  • Status: Expired due to Term
First Claim
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1. A network gateway, comprising:

  • an input connection configured to receive a message for delivery to a recipient wireless device; and

    an output configured to deliver a presence query to a presence server storing presence data, the presence data being updated upon an entry of the recipient wireless device into a sleep mode;

    wherein the message is delivered to the recipient wireless device based on the presence data received from the presence server.

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