Method to suppress number portability database queries for calls routed on non-ported numbers
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United States of America Patent
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Apr 4, 2000
Grant Date -
N/A
app pub date -
Oct 31, 1997
filing date -
Oct 31, 1997
priority date (Note) -
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Abstract
A system and method for suppressing redundant database queries between two switching points in a telecommunications system, where the switching points are unable to utilize the ISUP communications protocol. The system and method are implemented by using a parameter of the communications protocol to indicate whether a database query has been performed. When the receiving switch receives the information, the switch is suppressed from performing a redundant database query by the parameter of the communications protocol.
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