Call Pattern Communication Internal calling 
Subex Blog
MARCH 7, 2025
Fraudsters exploit vulnerabilities in telecom networks to reroute international calls as local ones, thereby evading international tariffs. Bypass fraud results in substantial financial losses by evading international tariffs and rerouting calls. For instance, initiatives by the U.S.
Subex Blog
MAY 21, 2025
As global communication expands, so does the sophistication of fraud schemes targeting telecom operators. With increasing cross-border communication, SIMbox fraud has grown into a global problem that affects both emerging and developed markets. These SIMs act as the gatekeeper for international calls.
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