Samsung SGH-C207CSACIN - Manual (Page 160)

Phone Settings
159
FDN Mode
FDN (Fixed Dial Number) mode, if supported by your SIM
card, allows you to restrict your outgoing calls to a limited
set of phone numbers.
The following options are available:
Disable: you can phone any number.
Enable: you can only call phone numbers stored in Phone
Book. You must enter your PIN2.
Note:
Not all SIM cards have a PIN2. If your SIM card does not, this menu
does not display.
Change PIN2
The Change PIN2 feature allows you to change your
current PIN2 to a new one. You must enter the current
PIN2 before you can specify a new one. Once you have
entered a new PIN2, you are asked to confirm it by
entering it again.
Note:
Not all SIM cards have a PIN2. If your SIM card does not, this menu
does not display.
Extra Settings
You can turn the automatic redialing or answering features
on or off.
To turn a feature Press the
on
On soft key or key .
A check mark displays in
front of the option.