It's not exactly what you're describing, but to see an example of a video conference running within a Matrix client... https://youtu.be/y0-j4Q77KXM?t=14m47s ht

It's not exactly what you're describing, but to see an example of a video conference running within a Matrix client... https://youtu.be/y0-j4Q77KXM?t=14m47s https://youtu.be/y0-j4Q77KXM?t=14m47s