Nextcloud Talk - Stun and Turn
NextCloud Talk
https://forum.opnsense.org/index.php?topic=11788.0
https://forum.opnsense.org/index.php?topic=34495.0;prev_next=prev#new
https://www.reddit.com/r/OPNsenseFirewall/comments/13d094a/nextcloud_talk_and_opnsense/
https://www.nojitter.com/know-where-turn-when-deploying-webrtc