Windows distinguishes between "Private" and "Public" networks. On a Public network, Windows blocks many WebRTC features.
Windows and macOS often "sleep" the Network Interface Card (NIC) during hibernation to save power. When the computer wakes up, the WebRTC line remains disconnected. webrtc line is not registered 3cx desktop app
: Ensure both your 3CX Server and the Desktop App are updated to the latest versions. In some cases, a full uninstall and reinstall of the Desktop App from the Web Client's "Apps" section is required. webrtc line is not registered 3cx desktop app
: For v20 users, ensure that desktop notifications are allowed. Click the bell icon in the 3CX Web Client to verify that notifications are enabled. webrtc line is not registered 3cx desktop app
: Fully close the 3CX Desktop App (ensure it is closed in the system tray) and relaunch it.