F.Zero TCG

Vanrise’s Test Call Generation (F.Zero TCG) is a service that detects fraudulent calls by initiating manual/automatic calling campaigns from a list of preferred countries and terminating into the telecom operator’s network and providing full tracking of the test calls.

F.Zero Test Call Generation is tailored for fixed and mobile operators and telecom regulators in order to detect:

  • Telecom bypass fraud, identifying illegal SIM Boxes/Analog & Digital Lines through tracking international calls bypassing the legal IGW and terminating with local CLI, changed CLI or no CLI.
  • International to national traffic refiling whereby national interconnected operators allowed for transiting international traffic to other operators change international CLIs to local CLIs to benefit from the difference between international and local call tariffs; F.Zero TCG highlights, in such cases, international inbound calls appearing with local off-net CLIs.
  • False Answer Supervision (FAS) whereby the caller is billed before the actual connection time of the call.
  • OTT bypass fraud, identifying international calls bypassing the operators’ legal gateways and terminating via OTT applications.
  • Call spoofing, identifying fraudulent cases of manipulated CLI. 
Key Features and Benefits
  • Real-time identification of fraudulent cases
  • Timely reporting of fraud cases through Email, FTP, API, etc.
  • Dynamic reporting and dashboards
  • Automatic blocking of fraudulent SIMs/Analog & Digital Lines through integration means with the network elements of FNOs/MNOs
  • Continuous adaptation to the fraudsters’ tactics
  • A wide range of sources including mobile operators, wholesale carriers, SIP accounts and calling cards
  • Detection and reporting of international calls terminated through OTT applications (Viber, WhatsApp, etc.)
  • Calls with duration generation for more thorough investigations
  • Detection and reporting of modified CLIs

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Key Benefits and Features
  • Real-time identification of fraudulent cases
  • Timely reporting of fraud cases through Email, FTP, API, etc.
  • Dynamic reporting and dashboards
  • Automatic blocking of fraudulent SIMs/Analog & Digital Lines through integration means with the network elements of FNOs/MNOs
  • Continuous adaptation to the fraudsters’ tactics
  • A wide range of sources including mobile operators, wholesale carriers, SIP accounts and calling cards
  • Detection and reporting of international calls terminated through OTT applications (Viber, WhatsApp, etc.)
  • Calls with duration generation for more thorough investigations
  • Detection and reporting of modified CLIs
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