Product: Mobile > Cell Phones > AT&T Cell Phones > SGH-X427T
What Is The FDN And How Do I Configure This Feature On My SGH-x427m And How Do I Enable It?
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.
For Information regarding setting up FDN, please contact your service provider.
more information on the SGH-x427m click