■ Security settings
When security features that restrict calls are in use [such as call barring, closed
user group, and fixed dialling] calls still may be possible to the official emergency
number programmed into your device.
Select
Menu
>
Settings
>
Security settings
and one of the following:
PIN code request
—Set the device to request your PIN code every time the device is
switched on. Some SIM cards do not allow the PIN code request to be turned off.
Call barring
[network service]—Restrict incoming calls to and outgoing calls from
your device. A barring password is required.
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Fixed dialling
—Restrict your outgoing calls to selected phone numbers if this
function is supported by your SIM card.
Closed user group
[network service]—Specify the group of people whom you can
call and who can call you.
Security level
—Select
Phone
for device to request the security code whenever a
new SIM card is inserted. Select
Memory
for the device to request the security
code when the SIM card memory is selected and you want to change the memory
in use.
Access codes
—Change the security code, PIN code, PIN2 code, or barring
password.