Jitsi can connect with most SIP servers, there are even videos on YouTube of people doing this. The ecosystem is moving, but Signal is falling behind as said e

Jitsi can connect with most SIP servers, there are even videos on YouTube of people doing this. The ecosystem is moving, but Signal is falling behind as said ecosystem moves. Way more resources are flowing into making Matrix good than are funding Signal and XMPP, to their detriment.