Method and apparatus for exchanging communications between telephone number based devices in an internet protocol environment

CAFC
  • US 6,772,210 B1
  • Filed: 07/05/2000
  • Issued: 08/03/2004
  • Est. Priority Date: 07/05/2000
  • Status: Active Grant
First Claim
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1. In an Internet Protocol (IP) communication system having a first network coupled to a second network through a gateway, wherein the first network and the second network are both IP networks, a method for exchanging communication messages between a first telephone number based device in the first network and a second telephone number based device in the second network, the first telephone number based device having a first address for use in the first network, the method comprising:

  • allocating a second address for the first telephone number based device for use in the second network; and

    performing address translation on communication messages so that the first address for the first telephone number based device is used in the first network and the second address for the first telephone number based device is used in the second network.

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