PBX selective caller identification authentication

Details PBX selective caller identification authentication PBX selective caller identification authentication

1997-03-13

1999-09-14

Hong, Harry S.

Telephonic communications

Special services

Anonymous party

379142, 379229, H04M 156, H04M 1506

Patent

active

059533994

ABSTRACT:
The present invention uses capabilities of the advanced intelligent network (AIN) to control an authentication process of caller ID information data generated at a calling PBX system. The central office switching facility associated with the calling PBX system identifies calls therefrom that contain caller ID numbers that are not the PBX assigned telephone number. For such calls, the switching facility invokes triggers through the AIN common channel signaling network to access data base information in an Integrated Service Control Point (ISCP) and/or system LIDB for authenticating and controllably transmitting caller ID information. Unauthenticated information may be blocked or transmitted with notice that the information has not been authenticated.

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patent: 5590184 (1996-12-01), London
patent: 5812639 (1998-09-01), Bartholomew et al.

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