title: How does WebRTC decide which TURN Servers to Use
body: <p>Branching off this question <a href="https://stackoverflow.com/questions/23292520/webrtc-how-many-stun-turn-servers-do-i-need-to-specify/23307588?noredirect=1#comment41283996_23307588">WebRTC - How many STUN/TURN servers do I need to specify?</a></p>
  
  <p>How does WebRTC determine which TURN servers to use when more than one is provided?</p>