Samsung SGH-A657ZKAATT - Manual (Page 138)

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Set FDN Mode
FDN (Fixed Dial Number) mode, if supported by your SIM card,
allows you to restrict the outgoing calls to a limited set of phone
numbers. The following options are available:
– Off: you can call any number.
– On: you can only call phone numbers stored in the FDN contacts list.
You must enter your PIN2. The following options for entering FDN
contacts are available through the Address Book:
• Full length entries or wild cards can be entered in to the FDN list.
• A full length number with a specific contact name can be entered
into the FDN list.
• Wildcard entries allow you to dial a range of number with a single
entry: ex. 555 – All dialed numbers that begin with 555 are
allowed. Numbers that do not match the conditions in the FDN list
are restricted.
Note: Entering an asterisk (*) is not required for wild card entries.
Change Phone Password
The Change Phone Password option allows you to change your
current phone password to a new one. Once you enter a new
password, you are asked to confirm it by entering it again.
Change PIN Code
This option allows you to change your current PIN, provided that
the PIN Check feature is enabled. You must enter the current PIN
before you can specify a new one. Once you enter a new PIN, you
are asked to confirm it by entering it again.
Change PIN2 Code
The Change PIN2 option 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 enter a new PIN2, you are asked to
confirm it by entering it again.
Note: If your SIM card does not require a PIN2 password, this menu does not
display.
APN Control
Allows you to turn control of Access Point Names (APN) On or Off.
APNs are a method by which you can access advanced
communication using your handset. This advanced
communication can include instant messaging, multimedia
messaging, email, and internet access. Turning On APN Control
requires the PIN2 code. To access APN control:
1. In Idle mode, press Menu ➔ Settings ➔ Phone ➔
Security ➔ APN Control and press the Select soft key or
the key.
A657.book Page 134 Friday, February 20, 2009 4:16 PM