LG T5100 User Manual page 238

Fixed dial number (FDN) [Menu 9-5-4] (SIM dependent)
Use this to restrict your outgoing calls to selected phone numbers, if
this function is supported by your SIM card. The PIN2 code is
required.
When FDN is activated, if you try to dial a number not included in the
FDN list, the message "Check FDN" will appear.
The following options are available:
• Enable: Use this to only call phone numbers saved in the address
book. You must enter your PIN2 code.
• Disable: Allows you to call any number.
• Number list: Use this to view the numbers saved as fixed dial
numbers.
Note
• Not all SIM cards have a PIN2. If your SIM card
does not, this menu option is not displayed.
Change codes [Menu 9-5-5]
The Change codes feature lets you change your current password
to a new one. You must enter the current password before you can
specify a new one.
Use this to change the access codes: Security code, PIN1 code,
PIN2 code
Note
• PIN: Personal Identification Number.
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