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Presence management in packet-switched networks using circuit-switched USSD signaling

  • US 20060114882A1
  • Filed: 11/30/2004
  • Published: 06/01/2006
  • Est. Priority Date: 11/30/2004
  • Status: Abandoned Application
First Claim
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1. A method of managing presence information in a packet-switched wireless communication network, said method comprising:

  • sending a circuit-switched presence update message from a mobile unit to a presence server in the packet-switched network; and

    updating the presence information for the mobile unit in the presence server.

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