SIMBox Fraud: Challenges and AI-Powered Solutions for Telecom Operators
Subex Blog
MAY 21, 2025
At its core, SIMbox fraud (also known as interconnect bypass fraud ) exploits the price disparity between local and international call rates. Fraudsters use a device called a SIMbox, which contains multiple SIM cards purchased from various mobile network operators (MNOs). These SIMs act as the gatekeeper for international calls.
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