Ihab Hamad — Blog

Notes on telecom, VoIP, Kamailio, Laravel, and the bits of infra that make them go.

  1. Scaling Kamailio to 1,000 CPS and 60,000 concurrent calls — a journey through 13 bottlenecks

    April 30, 2026 · kamailio · voip · sip · scaling · performance · rtpengine

    What it actually takes to push a Kamailio SBC to 1,000 calls-per-second of signaling and 60k concurrent dialogs — the bottlenecks we hit, what we fixed, and what we deliberately rolled back.