Notes
The phone supports input timeout (about 3s). Entering only **47 and waiting for 3s has the same function as entering **47#.
The default password of the keypad is: 123
RESTORE FACTORY DEFAULT SETTINGS
Restore to Factory Default via Keypad
To restore the GHP6XX phone using the keypad, enter the code **37*{keypad password}#. The default keypad password is: 123
Restore to Factory Default via Web GUI
To reset the GHP6XX to its factory settings using the web GUI, please navigate to Upgrade and Provisioning → Advanced Settings then click on
the Start button to start the factory reset process.
Factory Reset via Web GUI
The factory reset will immediately start after you click OK.
Factory Reset Confirmation
Warning: