Kamailio is an open-source SIP server designed for high-performance, real-time communications. It enables scalable VoIP, IMS, and WebRTC applications by handling SIP signaling, load balancing, and security.

Features of Kamailio:

• High-performance SIP proxy, registrar, and application server.
• Load balancing and failover for large-scale VoIP networks.
• Advanced security features like TLS, authentication, and DoS protection.
• Flexible routing logic with scripting support.
• Extensible with modules for various SIP and media functionalities.

To check Kamailio version, use:

kamailio -V

Disclaimer: Kamailio is an open source SIP server maintained by the Kamailio community. It is released under the GPL license. This information is for educational purposes only and is not affiliated with, endorsed by, or sponsored by the official Kamailio development team. Kamailio is provided "as is," without any warranty, express or implied. Users utilize this tool and its ecosystem at their own risk.