Intercepting call communications within an intelligent network
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United States of America Patent
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-
Jul 13, 1999
Grant Date -
N/A
app pub date -
Apr 24, 1997
filing date -
Apr 24, 1997
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A first service control point (SCP) for providing law enforcement related call interception capability and a second SCP for providing conventional Intelligent Network (IN) subscriber service features are both provided within an IN based telecommunications network. Two types of trigger flags are then associated with a service switching point (SSP) serving a particular subscriber. Where a first trigger flag associated with call interception is set, a query signal requesting interception routing instructions is transmitted from the serving SSP to the first SCP using a pre-stored network address. Where a second trigger flag associated with an IN service is set, a query signal requesting IN service routing instructions is transmitted from the serving SSP to the second SCP using a directory number associated with the associated subscriber.
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