■ Security
When security features that restrict calls are in use (such as call barring, closed user group, and fixed dialing)
calls still may be possible to the official emergency number programmed into your device.
78
Copyright © 2006 Nokia. All rights reserved.
Select
Menu
>
Settings
>
Security
and one of the following options:
PIN code request
— to set the phone to ask for your PIN or UPIN code every time the phone is switched on.
Some SIM cards do not allow the code request to be turned off.
Call barring service
— to restrict incoming calls to and outgoing calls from your phone (network service). A
password is required.
Fixed dialling
— to restrict your outgoing calls to selected phone numbers, if this function is supported by your
SIM card.
Closed user group
— to specify a group of people whom you can call and who can call you (network service).
Security level
>
Phone
— the phone asks for the security code whenever a new SIM card is inserted into the
phone. Select
Memory
and the phone asks for the security code when the SIM card’s memory is selected and
you want to change the memory in use.
Access codes
— to set the PIN code or UPIN code in use, or to change the security code, PIN code, UPIN code,
PIN2 code, and call barring password.
Code in use
— to select whether the PIN code or UPIN code should be active.
Authority certificates
or
User certificates
— to view the list of the authority or user certificates downloaded
into your phone. See
Certificates
p.
109
.
Security module settings
— to view
Security module details
, activate
Module PIN request
, or change the module
PIN and signing PIN. See also
Access codes
p.
13
.