#Telecom

Toll-Fraud Prevention: 92% Reduction Case

A wholesale voice carrier was losing roughly $25k a month to toll fraud and routing abuse. We rebuilt the SBC tier on OpenSIPS HA, added behavioural rate-limits, and got fraud down 92%.

Apr 28, 2026

Scaling OpenSIPS 3.6 to 10,000 Concurrent Calls - Technical Guide

Dec 29, 2025