Wangiri and International Revenue Share Fraud (IRSF) are increasingly significant threats to voice service providers. A common threat vector relies on the use of unallocated number ranges (numbers that are not officially allocated by telecommunication authorities). Capabilities to detect and prevent this type of fraud vary between operators and so require query and download methods to consume number range intelligence.
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Global Number Range FAQ's
XConnect’s GNR service will provide information about service provider allocated to a number range along with attributes associated with the number category, such as Fixed, Mobile, Premium rate. The service will also identify which number ranges are unallocated.
An operator would not expect to see any minutes or texts being routed from or to an unallocated or otherwise unused number range. When such traffic is present, it is often illegitimate international traffic and most likely IRSF.
XConnect number information experts have developed proprietary techniques to source data from multiple sources and cross check them. XConnect’s voice and number portability operations team then use information associated with failed and successful connections to verify, test and investigate number range data issues.
Fraud Management Systems, Revenue Assurance and Network switches require number range information. Each system can have different integration requirements to support different application requirements including the ability to support real-time, near-real-time or offline processing. XConnect’s Number Range service (GNR) supports a data download and enum query interface (both formats can be adapted to suit customer requirements).