Call processing to provide number portability
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United States of America Patent
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-
Aug 17, 1999
Grant Date -
N/A
app pub date -
Aug 23, 1995
filing date -
Aug 23, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of routing a call including a called number in a communications network such as a Public Switched Telephone Network (PSTN), the method including determining if the called number is a network routing number indicating a specific switching node and line associated therewith in the communications network and routing the call within the communications network based on the called number when the called number is a network routing number. Additionally, the method includes identifying a network routing number based on the called number when the called number is not equal to the network routing number and routing the call within the communications network based on the identified network routing number.
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