Phone security
• CLOSED USER GROUPS
This network service, if available from your service provider, specifies the group of
people to 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.
When calls are limited to closed user groups, calls still may be possible to the
official emergency number programmed into your phone.
Select Menu > Settings > Security settings > Closed user group > On or Off, enter
the group number, and select OK.
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