VoIP & Telephony
Carrier-Grade Kamailio SIP Proxy & FreePBX Telephony Softswitch
Scalable IPTSP cloud telephony softswitch combining Asterisk/FreePBX with Kamailio edge proxies, WebRTC bridging, and high-concurrency dynamic IVR queues.
FreePBXAsteriskKamailioWebRTCSIP/RTP
Category
VoIP & Telephony
Project Overview & Architecture
High-density SIP proxy architecture designed for carrier-grade call routing, fraud detection, and multi-tenant billing.
Case Study
Challenge, Process & Outcome
The Challenge
SIP DDoS floods and registration storms frequently crashed edge PBX services during peak traffic.
The Solution
Deployed a decoupled architecture with Kamailio handling edge security and FreePBX processing media streams.
Process & Methodology
Implemented Kamailio SIP load balancers with Pike anti-flood modules and dispatcher failover.
Measurable Impact
Sustained 500+ concurrent audio sessions with zero packet loss under synthetic attack.