As of recently, Dino already can do video conferences based on XMPP and other clients are working on it as well. There is also a bidirectional SIP/XMPP bridge,

As of recently, Dino already can do video conferences based on XMPP and other clients are working on it as well. There is also a bidirectional SIP/XMPP bridge, so it integrates with other existing Internet Standards: https://sip.cheogram.com/ https://sip.cheogram.com/