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Call barring service — to restrict incoming calls to and outgoing calls from your phone (network service). A
barring password is required.
Fixed dialling — to create, edit, and activate a list of phone numbers or prefixes. When the list is activated, you
can only call or send messages to the numbers on the list. If the SIM card does not support this option, Fixed
dialling is hidden.
Closed user group — to specify a group of people whom you can call and who can call you (network service)
Security level> Phone — to set the phone to ask for the security code whenever a new SIM card is inserted into
the phone. If you select Security level> Memory, the phone asks for the security code when the SIM card
memory is selected, and you want to change the memory in use.
Access codes — to change the security code, PIN code, PIN2 code, or 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.107.
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.16.
■Digital rights management Digital rights management (DRM) is copyright protection, designed to prevent modification and to limit
distribution of protected files. When you download protected files, such as sound, video, themes, or ringing
tones to your phone, the files are free, but locked. You pay for the key to activate the file and the activation key
is automatically sent to your phone when you download the file.
To view the permissions for a protected file, scroll to the file, and select Options > Activation keys. For
example, you can see how many times you can view a video or how many days you have left for listening to a
song.