Method and system for routing telephone calls between a public switched telephone network and an internet protocol network
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United States of America Patent
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Aug 10, 2004
Grant Date -
N/A
app pub date -
Mar 29, 2000
filing date -
Mar 30, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for routing a telephone call originating at a first network that utilizes a first signaling protocol to a termination in a second network that uses a second signaling protocol includes receiving a services request associated with a calling party from the first network and translating the service request. The method also includes determining a route for processing the service request over the second network and generating signaling specifying the determined route. Determining the route for processing the request over the second network includes determining an address for the calling party and accessing a table associated with the address. The table includes a plurality of pointers to a plurality of additional tables. Determining the route also includes accessing at least one of the additional tables specified by at least one of the pointers, and, in response to accessing the at least one of the additional tables, determining the route for processing the request based on the at least one of the additional tables.
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