The participant has microphone and camera muted


i’v intstaled Jitsi-meet on debian 9, i follow the installation document, but the same problem when i connected from 2 différent networks, micro and camera devices are muted and locked, i can’t active them for participant.

but on same network , it’s OK


What installation documentation did you follow ? The current guide is here (using Debian 10) :

What you describe seems related to firewall/network configuration.