it appears Jitsi is a link embedder
It isn't clear at all how you came to that conclusion. Jitsi is a VoIP + IM solution.
If there are some FOSS options
There are loads of them. I would be using Asterisk for VoIP and probably Prosody for IM. If you are looking for a Perl answer then DJabberd is still available but (unfortunately) it has had no active development for a long time.
Update: although DJabberd hasn't seen a release in a decade there actually has been some more recent activity over on the github repo so it might not be quite such bad news on that front as it first appeared.
🦛
In reply to Re^3: Is a Perl Skype-like VoIP connection possible?
by hippo
in thread Is a Perl Skype-like VoIP connection possible?
by Polyglot
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