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Determining availability of members of a contact list in a communication device

  • US 20050143111A1
  • Filed: 12/30/2003
  • Published: 06/30/2005
  • Est. Priority Date: 12/30/2003
  • Status: Abandoned Application
First Claim
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1. A method of determining availability of members of a contact list in a wireless communication system, wherein the method comprises:

  • determining an availability status of members of a contact list by receiving messages that indicate changes in availability of client devices associated with the contact list; and

    transmitting information regarding the availability of the client devices only when a change has occurred in the availability of a client device.

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