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System for interconnecting packet-switched and circuit-switched voice communications

  • US 6,931,001 B2
  • Filed: 06/16/2003
  • Issued: 08/16/2005
  • Est. Priority Date: 02/06/1997
  • Status: Expired due to Fees
First Claim
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1. A method of establishing voice communication between a phone connected to a circuit-switched network and one or more hosts connected to a packet-switched network, comprising:

  • receiving, at a gateway connected between the circuit-switched network and the packet-switched network, a call request from the phone;

    sending, from the gateway, a first audio message to the phone requesting a destination address on the packet-switched network of a host of the one or more hosts;

    receiving the destination address of the host from the phone responsive to the first audio message;

    establishing a call comprising two-way voice communication, via the circuit-switched network and the packet-switched network, between the phone and the host based on the destination address of the host;

    sending, from the gateway, a second audio message to the phone requesting a user name of a called party associated with the host; and

    receiving the user name of the called party from the phone responsive to the second audio message.

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