
unxsVZ uSIPSwitch
FreeSWITCH
3CX
Asterisk
Kamailio
freepbx
Wazo
Elastix
Vim Python IDE
unxsVZ uSIPSwitch
Vim Python IDEFreeSWITCH - FreeSWITCH is an open-source media application designed to support popular protools such as SIP and WebRTC and provides a platform to develop voice and video applications.
3CX - Hosted PBX with CRM integration and mobile apps
Asterisk - An open source telephony switching and private branch exchange service for Linux.
Kamailio - Kamailioยฎ (successor of former OpenSER and SER) is an open source SIP server released under...
freepbx - FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).
Wazo - Wazo is a unified communications platform based on Asterisk and focused on extensibility.