Technical Case StudyFreePBXAsteriskKamailioWebRTCSIP/RTP
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.
01. The Problem & Inefficiencies
The Core Friction
SIP DDoS floods and registration storms frequently crashed edge PBX services during peak traffic.
02. Research, Benchmarking & Discovery
Architectural Investigation
Implemented Kamailio SIP load balancers with Pike anti-flood modules and dispatcher failover.
03. Implemented Architecture
Engineered Solution
Deployed a decoupled architecture with Kamailio handling edge security and FreePBX processing media streams.
Expand & Zoom Diagram
Carrier-Grade Kamailio SIP Proxy & FreePBX Telephony Softswitch – Architecture SchematicPinch / Zoomable
Click to expand & zoom into the full resolution schematic
04. Quantifiable Outcomes
Results & Metrics
Sustained 500+ concurrent audio sessions with zero packet loss under synthetic attack.