p2p web application, terms and icons to distinguish caller from callee?

I'm working on a web application which uses web rtc. Peers can connect to other peers. The interface will change quite a bit depending on who is the caller vs. callee.

What are appropriate terms and/or icons to notify the current user whether they initiated the peer connection, or they answered an incoming peer connection? I'd like to display prominently whether the current user is the initiator or receiver.

The application only allows two peers to connect at any given time.