This reminds me of Icecomm[0] from a few years back. Unfortunately, it didn't stick around for too long. It was pretty easy to use, as well, and a lot of people here ended up in a video chat together[1]. LOL!

[0]: https://news.ycombinator.com/item?id=8952880

[1]: https://medium.com/@icecomm/how-launching-icecomm-on-hacker-...