Toll fraud detection system

Details Toll fraud detection system Toll fraud detection system

1993-04-30

1997-02-11

Chin, Wellington

Telephonic communications

With usage measurement

Call charge metering or monitoring

379196, 379197, H04M 1500, H04M 300

Patent

active

056029063

ABSTRACT:
In a telecommunications network, a toll fraud detection system analyzes call placement information concerning toll calls placed using billing numbers for unauthorized use of billing numbers. In the preferred embodiment, a set of artificial intelligence rules operate on the placement information to develop an indication that the use of a particular billing number is unauthorized.

REFERENCES:
patent: 4706275 (1987-11-01), Kamil
patent: 4893330 (1990-01-01), Franco
patent: 5163086 (1992-11-01), Ahearn et al.
patent: 5357564 (1994-10-01), Gupta et al.
patent: 5365580 (1994-11-01), Morisaki

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