Product: Mobile > Cell Phones > T-Mobile Cell Phones > SGH-T109
What Does the FDN (Fixed Dial Number) Feature Do On My SGH-T109 Phone?
The FDN (Fixed Dial Number) Mode, if supported by your SIM card, allows you to restrict your outgoing calls to a limited, up to 10, set of phone numbers.
To enable or disable FDN Mode follow the steps below:
Note: Not all SIM cards have a PIN2 code. If your SIM card does not, this menu option is not displayed. You must obtain your PIN2 code from your service provider.
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