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Method and system for messaging across cellular networks and a public data network

  • US 20040171396A1
  • Filed: 03/08/2004
  • Published: 09/02/2004
  • Est. Priority Date: 03/06/2000
  • Status: Active Grant
First Claim
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1. A method of enabling a user of a cellular communications device to communicate with other users using instant messages, the method comprising:

  • enabling a user of a cellular communications device to receive, at the cellular communications device, availability information for a user-defined group of other users, wherein the other users within the user-defined group are included in an instant message name list maintained for the user and the availability information includes an indication of an availability of the other users to communicate using instant messages;

    receiving the availability information at the cellular communications device; and

    displaying the availability information in a user interface on the cellular communications device.

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