Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under GPL, able to handle thousands of call setups per second. Among features:...
Free
Open Source
Linux
kamailio® (successor of former openser and ser) is an open source sip server released under gpl, able to handle thousands of call setups per second. among features: asynchronous tcp, udp and sctp, secure communication via tls for voip (voice, video); websocket support for webrtc; ipv4 and ipv6; simple instant messaging and presence with embedded xcap server and msrp relay; asynchronous operations; ims extensions; enum; did and least cost routing; load balancing; routing failover; accounting, authentication and authorization; support for many backend systems such as mysql, postgres, oracle, radius, ldap, redis, cassandra, mongodb, memcached; xmlrpc control interface, snmp monitoring. it can be used to build large voip servicing platforms or to scale up siptopstn gateways, pbx systems or media servers like asterisk™, freeswitch™ or sems. kamailio and the sip express router (ser) teamed up for the integration of the two applications and new development.
VoipSwitch is a SoftSwitch System with routing and billing, with SIP protocol support (in older versions also H323). Basic package includes softswitch app, IVR app...
Ozeki Phone System XE is a Software PBX telephony platform for Windows. Ozeki enables your applications to connect PBX and access IVR, Webphone, SMS sending, 3D video...
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