Very few communication services are truly P2P; it's way more likely to have sync...

		_bxg1 on Jan 29, 2019 \| parent \| context \| favorite \| on: FaceTime bug lets you hear audio of person you are... Very few communication services are truly P2P; it's way more likely to have syncing issues and is virtually impossible without at least a handshake. Even Signal, which does have syncing issues due to being mostly P2P, requires a server for the initial handshake.

Especially on mobile, where you want to conserve battery life.