Kamailio is a free high-performance, configurable SIP (RFC3261) server . Kamailio is a fast and flexible SIP server. Kamailio can handle thousands of calls per second on low-configuration machine. Kamailio has C shell-like scripting language to provide full control over the server’s behavior. Kamailio has a modular architecture that lets users load only the required modules/functionality

It is customizable, being able to feature as fast load balancer; SIP server flavors: registrar, location server, proxy server, redirect server; gateway to SMS/XMPP; or advanced VoIP application server.

We customize the Kamailio as per routing logic and requirements.