With skyrocketing interests is video-conferencing types of apps, it’s clear by now that Nextcloud Talk is a white elephant - impressively looking but mostly useless…
It works just fine when none of the parties are behind NAT and/or firewall.
If you install a coturn server (very easy if you have a spare Ubuntu VM around),
it will just as easily handle people behind NAT and firewall.
https://nextcloud-talk.readthedocs.io/en/latest/TURN/
Its - Talk’s - biggest problem is scaling. It can’t do it reliably above 3-4.
To solve this issue you need to buy the expensive commercial add-on…
If you read Frank’s posts in the jitsi/BBB discussions, this “state” will not change.
Talk is going to stay the way it is… No buttons will be removed because someone finds them useless…
Alternatives might appear in the form off apps… This for example