Matrix/Element has a beta that allows p2p calling and group calling besides what the Matrix platform is known for (chat, rooms, file transfer,...)
"Element Call - Florian Heese" (Youtube) goes into the details - might be of interest for you.
I have no love for them either - but remember that the main problem (imho) is the uneaven wealth distribution.
Oligarchs love to see a divided working class!
Matrix/Element has a beta that allows p2p calling and group calling besides what the Matrix platform is known for (chat, rooms, file transfer,...) "Element Call - Florian Heese" (Youtube) goes into the details - might be of interest for you.