Top features
- SIP
- Web-Based
- Extensible by Plugins/Extensions

Taridium ipbx
A software-based VoIP PBX that runs on standard hardware or in the cloud, without additional software licenses.
Top features
- SIP
- Voice Chat
Top features
- SIP
- Voice Chat
- Phone calls
- 1 more...
Platforms
- On-Premise Linux
- On-Premise Windows
- 10 more...
Languages
- English
Top features
- Voice Chat

FreeSENTRAL
Simplify communication with a user-friendly, all-in-one solution for managing IP PBX systems.
Top features
- SIP
- Voice Chat
Platforms
- Linux
Languages
- English

PBX in a Flash
This PBX system based on Asterisk, FreePBX and CentOS provides flexibility during installation.
Top features
- Voice Chat
Platforms
- Linux
Languages
- English