Kamailio is the result of merging SIP Express Router (SER) with OpenSER. It is an open source project managed by its community, released under GPLv2, and focusing to build a flexible and rock solid SIP server.
Among features: full RFC3261 implementation, support for IPv4, IPv6, UDP, TCP, TLS, SCTP, DNS SRV and NAPTR, Websockets, least cost routing, load balancing, AAA, presence server, RCS/RCSe, embedded XACP server and MSRP relay, RADIUS, XMLRPC control interface, IMS extensions, MySQL, Postgres and many other DB backends.
|...stantin Mierla||Carsten Bock|
|Richard Fuchs||Juha Heinanen|
|...ing Westerholt||Torrey Searle|