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Method and apparatus for forwarding messages among multiple radio networks

  • US 8,139,545 B2
  • Filed: 10/31/2005
  • Issued: 03/20/2012
  • Est. Priority Date: 06/13/2000
  • Status: Expired due to Term
First Claim
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1. A method for communicating with first and second radio networks, the method comprising:

  • establishing a first communication session with the first radio network;

    selectively authorizing the first radio network to forward unsolicited messages for a first service option from the second radio network and not forward unsolicited messages for a second service option, wherein the authorizing comprises periodically sending requests to the first radio network for receiving unsolicited messages from the second radio network; and

    sending a registration message to the second radio network by a transmitter.

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