Method and system for providing secure communications between proxy servers in support of interdomain traversal
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United States of America Patent
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May 22, 2012
Grant Date -
Jan 25, 2007
app pub date -
Dec 30, 2005
filing date -
Jul 20, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
An approach provides interdomain traversal to support packetized voice transmissions. A request is received and specifies a directory number for establishing a communication session from a first endpoint to a second endpoint. The first endpoint is behind a first network address translator of a first domain, and the second endpoint is within a second domain. A service provider network is accessed to determine a network address for communicating with the second endpoint based on the directory number, to determine existence of a second network address translator within the second domain, and to establish, if the network address can be determined, a media path between the first endpoint and the second endpoint based on the network address to support the communication session. An encrypted session is established with a proxy server according to a cryptographic protocol to support the media path. The proxy server resides within the second domain.
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