Kamailio
Kamailio® is a robust open-source SIP server that excels in handling thousands of call setups per second, making it ideal for large-scale VoIP and real-time communication systems. With features like secure TLS communication, WebSocket support for WebRTC, and extensive backend compatibility, it efficiently supports applications such as instant messaging, presence services, and SIP-to-PSTN gateways. Its architecture allows deployment on both resource-limited devices and carrier-grade servers, ensuring high performance across diverse environments.
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Top Kamailio Features
- High call setup capacity
- Asynchronous TCP and UDP
- Secure TLS communication
- WebSocket support for WebRTC
- IPv4 and IPv6 compatibility
- SIMPLE instant messaging integration
- Embedded XCAP server functionality
- MSRP relay support
- IMS extensions for VoLTE
- ENUM support for number resolution
- DID and least cost routing
- Load balancing capabilities
- Routing fail-over mechanisms
- Comprehensive accounting features
- Authentication and authorization systems
- Backend support for MySQL
- Backend support for PostgreSQL
- Compatibility with Redis and Cassandra
- JSON and XMLRPC control interface
- SNMP monitoring capabilities.
