Webrtc Line Is Not Registered 3cx |top| Jun 2026

WebRTC (Web Real-Time Communication) allows users to make and receive calls directly through a web browser without the need to install a softphone app or plugin. However, encountering the status message within the 3CX web client indicates that the browser cannot establish a secure connection to the 3CX Server.

The "Line is not registered" error for WebRTC is almost always related to security certificates or firewall settings. By ensuring the server has a valid Let's Encrypt certificate and that the necessary ports are open, you can resolve the vast majority of WebRTC connectivity issues in 3CX. webrtc line is not registered 3cx