React Native and WebRTC

initializing.js

export const iceServers = [
  { url: 'stun:stun.l.google.com:19302' },
  { url: 'stun:stun01.sipphone.com' },
  { url: 'stun:stun.ekiga.net' },
  { url: 'stun:stun.fwdnet.net' },
  { url: 'stun:stun.ideasip.com' },
  { url: 'stun:stun.iptel.org' },
  { url: 'stun:stun.rixtelecom.se' },
  { url: 'stun:stun.schlund.de' },
  { url: 'stun:stun.l.google.com:19302' },
  { url: 'stun:stun1.l.google.com:19302' },
  { url: 'stun:stun2.l.google.com:19302' },
  { url: 'stun:stun3.l.google.com:19302' },
  { url: 'stun:stun4.l.google.com:19302' },
  { url: 'stun:stunserver.org' },
  { url: 'stun:stun.softjoys.com' },
  { url: 'stun:stun.voiparound.com' },
  { url: 'stun:stun.voipbuster.com' },
  { url: 'stun:stun.voipstunt.com' },
  { url: 'stun:stun.voxgratia.org' },
  { url: 'stun:stun.xten.com' },
  {
    url: 'turn:numb.viagenie.ca',
    credential: 'muazkh',
    username: 'webrtc@live.com',
  },
  {
    url: 'turn:192.158.29.39:3478?transport=udp',
    credential: 'JZEOEt2V3Qb0y27GRntt2u2PAYA=',
    username: '28224511:1379330808',
  },
  {
    url: 'turn:192.158.29.39:3478?transport=tcp',
    credential: 'JZEOEt2V3Qb0y27GRntt2u2PAYA=',
    username: '28224511:1379330808',
  },
]

const pc = new RTCPeerConnection({
  iceServers,
})