Siemens Gigaset 3000 Operating Instructions Manual page 50

Security
* The default PIN for the handset is "0000".
Deactivating the handset lock
e.g.  ... Enter the handset PIN
* The default PIN for the handset is "0000".
Use the display key to jump to the next
menu level up.
The locked display appears.
Multiple functions (seeabove) are
locked.
Press the menu key.
An input prompt appears .
Confirm the entry.
the check mark. The handset lock is
cancelled.
Use the display key to jump to the next
menu level up.
50
*
(max. 8 digits).
is displayed without