Method and means for preventing fraudulent use of telephone netw

Details Method and means for preventing fraudulent use of telephone netw Method and means for preventing fraudulent use of telephone netw

1993-11-12

1996-02-27

Black, Thomas G.

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

379145, 379189, 379198, 395600, 364DIG1, 3642821, 3642864, 3642865, H04M 1100, H04M 900

Patent

active

054955211

ABSTRACT:
Access of a user to a resource, such as a telecommunications network, includes storing, in a first call data base, a first set of attributes concerning an ongoing call from a caller. A second call data base stores a second set of attributes concerning the history of prior calls made by the caller. A rules data base stores rules concerning attributes for determining whether to disconnect the call, block future calls, or take other action. A determination is made whether data in at least one of the call data bases matches the rules in the rules data base. The call is then disconnected, the next call blocked, or other action is taken, in response to a match between data the call data bases and data in the rules data base. Preferably, the second call data base is updated in response to matches with the rules data base.

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