Closed User Group (Menu 4-5-4); Security Level (Menu 4-5-5) - Nokia 6250 User Manual

Closed user group (Menu 4-5-4)

This network service specifies the group of people whom you can call and who can call you.
resets the phone to use a user group the SIM card owner has agreed upon with the service provider. A
closed user group is indicated by the icon
or service provider.
Note: When calls are limited to Closed User Groups, calls may be possible to certain
emergency numbers in some networks (e.g. 112 or other official emergency number).

Security level (Menu 4-5-5)

You can protect your phone against unauthorised use with the security code (security code). To do this,
you need to set the menu function
will ask for the security code when the SIM card inserted is not one of the five SIM cards used most
recently with the phone. When set to Memory, the security code is required to enter the phone's
internal phone book.The security code is also required for using some functions, for example, to clear a
phone book or to restore the factory settings.The security code is usually supplied with the phone (on
an identification sticker). If not, contact your local dealer. The factory setting for the security code is
12345. Change the code within the menu 4-5-6
and in a safe place which is separate from the phone.
Note: If you enter an incorrect security code five times in succession, the phone is blocked and will not
accept the correct security code for the next five minutes.
Tip: You can also restrict calls made from or to your phone if supported by your network.
See also Call barring service
in the Settings section
86 ©2000 Nokia Mobile Phones. All rights reserved.
. For further information contact your network operator
Security level to Phone
Change of access
(4-5-2), Fixed dialling
or Memory. When set to Phone, the phone
codes. Keep the new code secret
(4-5-3) and Closed user group
Preset
(4-5-4)