Kamailio

Kamailio is a robust and scalable SIP server designed for large-scale VoIP and real-time communication networks. It supports efficient call routing, load balancing, security features, and integration with various communication systems. Kamailio is suitable for ISPs, carriers, and enterprise communication solutions.

Key Features:

• Call routing
• Authentication & authorization
• Load balancing
• High scalability
• SIP proxy
• NAT traversal
• Media handling