Gigaset phones can be operated in administrator or user mode. In administrator mode, all settings are accessible and can be modified; in user mode, a number of settings are not accessible. The factory default is administrator mode.
When the phone is running in user mode, the administrator password is required to revert to administrator mode. The default administrator password is 0000 (4 x zero). You must change the password for security reasons.
Note: Do not forget to write the new password down and store it in a safe place; without it, a reset to factory values is necessary to return the phone to administrator mode.
If your phone is administered centrally, user mode may be the rule. Please check with your administrator.
The "Network" menu and various other settings are inaccessible in user mode. Returning the phone to admin mode from user mode:
Press to save and return to the Security menu where Administrator Mode has been changed to "on"