"Obtain DNS server address automatically" has been known to resolve persistent registration failures. 3CX +5 Are you using the standalone Desktop App, or are you running 3CX directly in a browser like Chrome? AI can make mistakes, so double-check responses Copy Creating a public link... You can now share this thread with others Good response Bad response 7 sites WebRTC line is not registered (Desktop App) | 3CX Forums 28 Dec 2022 —
Verify these in your WebRTC client settings: webrtc line is not registered
: Switching from Wi-Fi to Ethernet, docking a laptop, or waking a computer from sleep can break the existing connection. "Obtain DNS server address automatically" has been known
Try registering the with a standard SIP client (e.g., Linphone, Zoiper) on the same network. You can now share this thread with others
| Platform | Common Fix | |----------|-------------| | | Go to Settings → SIP Account → Re-register. Ensure extension is allowed for WebRTC in 3CX console. | | FusionPBX / FreeSWITCH | Check sip_profile → ws-binding and wss-binding are enabled. | | Asterisk (PJSIP) | Ensure websocket_enabled = yes and transport=wss in pjsip.conf. | | Chrome / Edge | Disable any VPN/proxy extensions. Try Incognito mode. | | Firefox | Check about:config → media.peerconnection.enabled is true . |
"Obtain DNS server address automatically" has been known to resolve persistent registration failures. 3CX +5 Are you using the standalone Desktop App, or are you running 3CX directly in a browser like Chrome? AI can make mistakes, so double-check responses Copy Creating a public link... You can now share this thread with others Good response Bad response 7 sites WebRTC line is not registered (Desktop App) | 3CX Forums 28 Dec 2022 —
Verify these in your WebRTC client settings:
: Switching from Wi-Fi to Ethernet, docking a laptop, or waking a computer from sleep can break the existing connection.
Try registering the with a standard SIP client (e.g., Linphone, Zoiper) on the same network.
| Platform | Common Fix | |----------|-------------| | | Go to Settings → SIP Account → Re-register. Ensure extension is allowed for WebRTC in 3CX console. | | FusionPBX / FreeSWITCH | Check sip_profile → ws-binding and wss-binding are enabled. | | Asterisk (PJSIP) | Ensure websocket_enabled = yes and transport=wss in pjsip.conf. | | Chrome / Edge | Disable any VPN/proxy extensions. Try Incognito mode. | | Firefox | Check about:config → media.peerconnection.enabled is true . |