Product: Mobile > Cell Phones > AT&T Cell Phones > SGH-A137
What Does the FDN (Fixed Dial Number) Feature Do On My SGH-A137 Phone?
The 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.
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
For more information on the SGH-A137 click here.