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Enhanced call delivery system for interoperability between circuit switched and packet switched networks

  • US 20040058688A1
  • Filed: 11/05/2002
  • Published: 03/25/2004
  • Est. Priority Date: 07/24/1998
  • Status: Active Grant
First Claim
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1. A method for completing a telephone call in a wireless telecommunications network, comprising:

  • providing a packet-switched network having one or more available wireless links;

    camping a wireless mobile terminal on at least one of the wireless links of the packet-switched network;

    providing a circuit-switched network, having one or more available wireless links;

    providing to the circuit-switched network from the packet-switched network location information representing the location within the packet-switched network on which the mobile terminal is camped;

    originating a call to the wireless mobile terminal through the circuit-switched network; and

    initiating network-side call setup with the mobile terminal through the circuit-switched network with reference to the location information received from the packet-switched network, wherein said network-side call setup is initiated independently of a page response from the mobile terminal.

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