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Method and system for providing interdomain traversal in support of packetized voice transmissions

  • US 20060209794A1
  • Filed: 08/12/2005
  • Published: 09/21/2006
  • Est. Priority Date: 08/13/2004
  • Status: Active Grant
First Claim
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1. A method for providing communication services, the method comprising:

  • receiving a request for establishing a voice call from a source endpoint behind a first network address translator of a first domain, wherein the request specifies a directory number of a destination endpoint within a second domain;

    selectively determining a network address for communicating with the destination endpoint based on the directory number;

    determining existence of a second network address translator within the second domain; and

    if the network address can be determined, establishing a media path between the source endpoint and the destination endpoint based on the network address to support the voice call.

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