Telecommunications – Transmitter and receiver at separate stations
Patent
1992-11-12
1994-09-06
Urban, Edward F.
Telecommunications
Transmitter and receiver at separate stations
455 531, 455 677, 379 60, H04Q 700
Patent
active
053455959
ABSTRACT:
An apparatus for detecting potentially fraudulent telecommunication activity, comprising a digital computer; interface, operatively connected to the digital computer, for receiving a call information record for each call involving a particular subscriber; comparator operating within the digital computer, for comparing a parameter of the particular subscriber's current usage with a subscriber-specific pattern of the particular subscriber's historical usage; and an output for outputting an indication of a potentially fraudulent call based upon a result of the comparison performed by the comparator.
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Jensen Flemming B.
Johnson Eric A.
Liss Michael D.
Coral Systems, Inc.
Urban Edward F.
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