Nokia 6590 - Manual (Page 130)

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Manage phone security
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3 Scroll to one of the following options:
Activate: Enter the restriction password and press OK.
Cancel: Enter the restriction password and press OK.
Check status: The phone lists the call types with call restriction active.
4 Press OK.
About your restriction password
Contact your service provider for the restriction password.
Change your restriction password
1 Press Menu 4-7-6 (Settings > Security settings > Change access codes).
2 Scroll to Change restriction password, then press Select.
3 Enter your new password, then press OK.
• SET UP A CLOSED USER GROUP
This network service specifies the group of people whom you can call and
who can call you. Default 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 (such as
911 or other official emergency number).
Turn on closed user group
1 Press Menu 4-7-4 (Settings >Security settings > Closed user group).
2 Scroll to On, enter the group number, then press OK.
Turn off closed user group
1 Press Menu 4-7-4 (Settings >Security settings > Closed user group).
2 Scroll to Off, then press OK.