WebRTC (Web Real-Time Communication) is a technology that allows Web apps and sites to record and potentially broadcast audio and/or video material, as well as transmit arbitrary data between browsers without the need for a middleman.
To access this setting, go to Administration > Settings > WebRTC.
Enable for Public Channels: WebRTC will be enabled for all public channels if set to true.
Enable for Private Channels: When enabled, private channels will have WebRTC.
Enable for Direct Messages: If set to true, direct messages will have WebRTC.
STUN/TURN Servers: A list of STUN and TURN servers separated by a comma.