Fanvil line won't register

Fix a line that shows as unregistered.

Most registration problems come down to one wrong detail.

Steps

1. In the web page, open Line → SIP and re-enter the authentication password.
2. Check the server address and port match what your provider gave you.
3. Make sure Activate is ticked, then click Apply.
4. Restart the phone.If it still fails, see the general “Phone won't register” guide.