Before setting up Voice Channel, ensure you have the following prerequisites:
- Asterisk 16.19.0 or higher (We used FreePBX 16.0.10.40 with Asterisk 18.6.0)
- Valid SSL certificate (valid domain)
- A Rocket.Chat workspace on version 5.0.0 or higher
Key Terms
- A private branch exchange (PBX) is a telephone system within an enterprise that switches calls between users on local lines while enabling all users to share a certain number of external phone lines.
- Asterisk is an open-source software implementation of a PBX.
- FreePBX is a web-based open-source GUI (graphical user interface) that controls and manages Asterisk (PBX).
Kindly refer to voice-channel-technical-specification.md to gain more understanding on the architecture of Voice Channel in Rocket.Chat. In the next guide, we'll delve deeper on how to configure voice channel in your workspace as an administrator.