Nokia 2100 - Manual (Page 45)

Menu fu
nctions
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the option on ( Activate ) or off ( Cancel ) or check whether a service is activated
( Check status ).
• Fixed dialling : You can restrict your outgoing calls to selected phone numbers
(Network Service).
• Closed user group : With this network service you can specify a group of people
whom you can call and who can call you.
• Security level : To set the phone to ask for the security code when a new SIM
card is inserted in the phone, Phone , or when you select the phone’s internal
phone book, Memory .
Note that when you change the security level, all the recent calls lists
including missed calls, received calls and dialled numbers are cleared.
• Change of access codes : You can change the security code, PIN code, PIN2
code, or barring password. These codes can include the numbers 0 to 9 only.
Avoid using access codes similar to the emergency numbers, such as 112, to
prevent accidental dialling of the emergency number.
Restore factory settings (Menu 4-8)
To reset some of the menu settings to their original values. Press Menu select
Settings and Restore factory settings . Key in the security code and press OK . The
names and phone numbers saved in the phone book are not deleted.