Method and system for providing interdomain traversal in support of packetized voice transmissions
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United States of America Patent
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Apr 27, 2010
Grant Date -
Sep 21, 2006
app pub date -
Aug 12, 2005
filing date -
Aug 13, 2004
priority date (Note) -
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Abstract
An approach provides interdomain traversal to support packetized voice transmissions. A request for establishing a voice call is received 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. A network address is determined for communicating with the destination endpoint based on the directory number. Additionally, existence of a second network address translator within the second domain is determined. If the network address can be determined, a media path is established between the source endpoint and the destination endpoint based on the network address to support the voice call.
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