Telephonic communications – With usage measurement – Call charge metering or monitoring
Reexamination Certificate
2005-09-20
2005-09-20
Tran, Quoc (Department: 2643)
Telephonic communications
With usage measurement
Call charge metering or monitoring
C379S127020, C379S145000, C379S189000, C379S188000
Reexamination Certificate
active
06947532
ABSTRACT:
A method of identifying fraud in a telecommunications system. The method includes receiving data related to a current call placed from an originating automatic number indicator (ANI), where the received data includes at least the originating ANI, a billing number and an identification code. A threshold number and a time interval corresponding to the identification code for the originating ANI are retrieved, for example, from a memory. In addition, billing numbers for prior calls from the originating ANI, if any, and corresponding indicia of the times of the calls are retrieved. A determination is made of whether the number of billing numbers used for the current and prior calls from the originating ANI over a prior period of time equal to or less than the time interval exceeds the threshold number. If the threshold number is exceeded, a fraud alert is generated.
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Jackman Erin C.
Marchand Dean C.
MCI Inc.
Tran Quoc
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