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April 21, 2009
Why a Fraud Management System Can Not Detect Traffic Pumping
Unfortunately most domestic traffic pumping schemes can not be detected using a fraud management system. This is because fraud management systems look for fraudulent traffic patterns in the outbound calls. Moreover, because of the volume of traffic recorded on the carriers' network, fraud management systems will typically only monitor international traffic. And, because of size limitations, the FMS will only keep a few days worth of data within the system.
To catch traffic pumping both inbound and outbound CDRs need to be loaded into a single database. Those records then need to be enriched to included additional information such as end office, jurisdiction, OCN, and cost (including fixed and semi-variable costs). Armed with this information, you can begin analyzing your traffic patterns and detecting anomalies that are indicative of traffic pumping. Some of those patterns include calls to known "hot spots" and long duration calls.
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