Yup, that is what Element Call is (the thing the Third Room built beforehand, and the tech that Third Room uses for spatial audio VoIP and networking). We’ve
just finished integrating it with Element Web; it looks like this: https://twitter.com/matrixdotorg/status/1566063359996428289. You can play with it if you enable both video rooms and Element Call in Labs in Settings on develop.element.io.