A SYSTEM AND METHOD FOR PREVENTING FRAUDULENT CALLS USING A COMMON BILLING NUMBER

摘要

A system for monitoring a plurality of telephone calls made to and originating from a common branch exchange to detect fraudulent activity, including receiving means (300) for receiving a call detail record (CDR) corresponding to each of the calls and directing the CDR to be stored in at least one queue means (310), the CDR containing at least a billing number associated with each call; means for retrieving (320) current CDRs, one at a time, from the queue means (310); processor means for comparing (320), for the current CDR, the billing number with billing numbers of previously stored CDRs in a fraud database (330); means for storing (320) the current CDRs in the fraud database (330); and means for generating an alert (230) when the billing number of the current CDR matches a billing number of a previously stored CDR in the fraud database.