P2P group video calls don’t work well unfortunately. Most people barely have enough upload bandwidth to upload one video stream. Needing to upload a stream per peer is a nonstarter for most people.
"Peer-to-peer calls require more bandwidth than calls routed through a server and are thus not suited for a large number of participants. In the future, we plan to also develop calls via a forwarding server to solve resource issues on the client side and to allow for calls with more participants."
It's even worse than that. P2P means that connection differences between peers also makea difference. User A might see users B and C, but user B might on see A due to a connection difference between user B and C. It is very annoying to enter a group chat and hear:
User B: Is user C's stream dead for anyone else?
User A: I see user C.
User C: Sorry, what? I'm right here.
Honestly, other than a 1-1 chat, I can't think of a situation where p2p is worthwhile. Even then, it's almost always better to use an SFU.
"Peer-to-peer calls require more bandwidth than calls routed through a server and are thus not suited for a large number of participants. In the future, we plan to also develop calls via a forwarding server to solve resource issues on the client side and to allow for calls with more participants."