WebRTC-RN

let peerConnection = new RTCPeerConnection({ iceServers: [{ urls: 'stun:stun.l.google.com:19302' }] });

peerConnection.createOffer().then(sdp => peerConnection.setLocalDescription(sdp)).then(() => {
      sdpVariable = peerConnection.localDescription.sdp;
    }).catch((error) => {
      console.log(error);
    });

peerConnection.onicecandidate = e => {
      console.log('onicecandidate');
      window.setTimeout(() => {
        console.log('window.setTimeout');
        ws.send(msg);
        }, 2000);
    };