Nokia 8850 Guia Do Utilizador

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This network service specifies the group of people to whom you can 
call and who can call you. 

Preset

 resets the phone to use a user 

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).

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.

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.

You can allow or prevent the selection of a phone line.