title: WebRTC Server Java implementation
body: <p>I am starter in WebRTC , I want to create simple application with call, but i can not understand what is the server? Is the WebSocket enough? or I need other server?</p>
  
  <p>my scenario is very simple two chrome users <code>A</code> and <code>B</code>, <code>A</code> call <code>B</code></p>