Troubleshooting.

Problem : When create a new Extension, the Extension is written to the Asterisk config and show on page Extension, but not show page SCCP Phone Manager.

Solution: Reinstall SCCP Manager.

Problem : Devices can only connect when the hotline is enabled.

Solution: You must check the realtime asterisk configuration. Information about it you will find on the page: https://github.com/chan-sccp/chan-sccp/wiki/Realtime-Configuration