Janus is another famous SFU but they do have a plugin called AudioBridge that mixes all audio on the server https://janus.conf.meetecho.com/audiobridgetest.html

Janus is another famous SFU but they do have a plugin called AudioBridge that mixes all audio on the server https://janus.conf.meetecho.com/audiobridgetest.html https://janus.conf.meetecho.com/audiobridgetest.html