Self-host Jitsi video call server to talk to your contacts securely.
Ensure you create A and AAAA for meet.nargothrond.xyz subdomains.
Note: There are port conflicts if you try to run vanilla jitsi alongside an existing prosody or ejabberd XMPP server since Jitsi uses XMPP for presence.
Next, we install jitsi ... the Jitsi doc is very good for Debian servers and the Jitsi official self-hosting instructions worked out of the box.
Finally we following these instruction to secure our Jitsi server: Jitsi secure instructions.