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Method for creating a peer-to-peer immediate messaging solution without using an instant messaging server

  • US 8,688,152 B2
  • Filed: 12/18/2012
  • Issued: 04/01/2014
  • Est. Priority Date: 09/16/2003
  • Status: Active Grant
First Claim
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1. A method of operating a first mobile station, the method comprising the first mobile station:

  • receiving a first message from a second mobile station;

    determining an implied availability based on messaging activity with contacts in a contact list detected by the first mobile station; and

    sending a second message to the second mobile station indicative of the implied availability of the first mobile station.

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