Samsung SPH A420 Owner's Manual page 77

Restriction
Allows you to restrict outgoing call options by selecting one
of the following options:
Allow all to allow outgoing calls to be made (no
restrictions).
Contacts Only to allow outgoing calls to only those
numbers saved in the Contacts list.
Special# Only to allow outgoing calls to only the
numbers set up in the special numbers list. (See "Using
Special Numbers" on page 66.)
To access call restriction:
1.
Select MENU > Settings > Others > Call Setup >
Restriction.
2.
Enter your lock code.
3.
Select Outgoing Call and press
4.
Select Allow all, Contacts Only, or Special# Only and
press
Section 2B: Controlling Your Phone's Settings
MENU .
OK
MENU .
OK
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