Webrtc Line Is Not Registered -

// Handle errors pc.onerror = (event) => console.log("WebRTC line registration failed"); ;

: Double-check the URL bar. If it doesn't show a padlock icon, try adding https:// to the start of the address. Troubleshooting for Administrators webrtc line is not registered

// Add a stream to the peer connection pc.addStream(stream); // Handle errors pc

In your WebRTC client, look for a or Refresh button. If absent, restart the client or browser. If absent, restart the client or browser

Fixing the error usually begins with a "back-to-basics" approach. First, users should ensure they are using a supported browser—typically Chrome or Edge—and that all pending updates are installed. Clearing the browser cache and cookies can often resolve "stuck" registration states caused by outdated session data.

If multiple users are affected, the issue may be server-side: WebRTC line is not registered (Desktop App) | 3CX Forums

WebRTC requires (except localhost ). Your client should connect via wss://your-pbx-domain:8089/ws (WebSocket Secure).