text: // IceServersHandler.js
  
  var IceServersHandler = (function() {
      function getIceServers(connection) {
          // resiprocate: 3344+4433
          // pions: 7575
          var iceServers = [{
              'urls': [
                  'stun:stun.l.google.com:19302',
                  'stun:stun1.l.google.com:19302',
                  'stun:stun2.l.google.com:19302',
                  'stun:stun.l.google.com:19302?transport=udp',
              ]
          }];
  
          return iceServers;
      }
  
      return {
          getIceServers: getIceServers
      };
  })();
  