Intercepting call communications within an intelligent network

Details Intercepting call communications within an intelligent network Intercepting call communications within an intelligent network

1997-04-24

1999-07-13

Hunter, Daniel S.

Telephonic communications

Special services

Service trigger

379 35, 379220, 379230, H04M 124

Patent

active

059237449

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.

REFERENCES:
patent: 5471519 (1995-11-01), Howe et al.
patent: 5590171 (1996-12-01), Howe et al.
patent: 5790798 (1998-08-01), Beckett, II et al.

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