Samsung SGH-T429OBATMB - Manual (Page 81)

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Caller ID
You can prevent your phone number from displaying on the phone of the person
called.
Note: Some networks do not allow you to change this setting.
The following options are available:
• Default : the default setting provided by the network is used.
• Hide number : your number does not display on the other person’s phone.
• Send number : your number is sent each time you make a call.
Security
The Security feature enables you to restrict the use of your phone by others and to
restrict the types of calls.
Various codes and passwords are used to protect the features of your phone.
PIN check
When the PIN Check feature is enabled, you must enter your PIN each time you
switch on the phone. Consequently, any person who does not have your PIN cannot
use your phone without your approval.
Note: Before enabling or disabling the PIN Check feature, you must enter your PIN.
The following options are available:
• Disable : the phone connects directly to the network when you switch it on.
• Enable : you must enter the PIN each time the phone is switched on.
Change PIN
This feature 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 have entered a new PIN, you are asked to confirm it by entering it again.