Same company sure, but different people and really different eras. That'd be like saying the company that built DX12 was the same company that built BASIC.
WebRTC's arcane operations are more a product of the realities of peer-to-peer communication in a mostly NAT'ted world and SIP. Ericsson was big into IMS, and if you rub some Web on IMS, you get WebRTC.
I get your point, but there must be some sort of connection. Erlang and WebRTC are two of the strangest things I've ever seen. It would seem implausible for one company to repeatedly produce such oddities by chance.
WebRTC's arcane operations are more a product of the realities of peer-to-peer communication in a mostly NAT'ted world and SIP. Ericsson was big into IMS, and if you rub some Web on IMS, you get WebRTC.