Use the Nextcloud Talk support section in https://help.nextcloud.com/c/support/spreed/52 instead.
Fully integrated Audio/Video conferencing system for Nextcloud using WebRTC
- One-to-one calls
- Group calls
- Public calls (accessible for non-Nextcloud users)
The app store: https://apps.nextcloud.com/apps/spreed
A tutorial on setting up a TURN server for Nextcloud Talk:
Note that if you need to use Nextcloud Talk with more than half a dozen users, the PHP version will not suffice. You can get access to the Spreed High Performance Back End via the Nextcloud sales team. Learn more on https://nextcloud.com/talk