PBX selective caller identification authentication
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United States of America Patent
Stats
-
Sep 14, 1999
Grant Date -
N/A
app pub date -
Mar 13, 1997
filing date -
Mar 13, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
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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