Closed User Group (Menu 4-6-4); Security Level (Menu 4-6-5); Change Access Codes (Menu 4-6-6); Phone Line Change (Menu 4-6-7) - Nokia 8850 User Manual

Closed user group (Menu 4-6-4)

This network service specifies the group of people to whom you can
call and who can call you.
group that the SIM card owner has agreed upon with the 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 4-6-5)

This menu allows you to set the phone security level on to avoid
unauthorised use of the phone. You will need the security code to
set the security level. The available options are:
None
• no security code is needed.
Memory
• security code is required when the phone book memory
is selected.
Phone
• security code required when a new SIM card is inserted.
NOTE: When you change the security level, all the recent calls lists
are cleared.

Change access codes (Menu 4-6-6)

With this menu you can change the access codes: security code, PIN
code, PIN2 code and barring password. These codes can only include
the characters 0 to 9. The phone prompts you to enter the current
code and the new code.It also prompts you to verify the new code
by entering it again.
NOTE: Avoid using access codes similar to the emergency numbers,
such as 112, to prevent accidental dialling of the emergency
number.

Phone line change (Menu 4-6-7)

You can allow or prevent the selection of a phone line.
62
Preset
resets the phone to use a user
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