Fixed Dialing Phones. How to Dial an Extension on iPhone and Save to Contacts Once FDN is activated, the phone will block calls attempts to any numbers not on the FDN list, with the exception of emergency service numbers. Fixed Dialing Number (FDN) is a service mode of a GSM phone's Subscriber Identity Module (SIM) card.Numbers are added to the FDN list, and when activated, FDN restricts outgoing calls to only those numbers listed, or to numbers with certain prefixes..
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Fixed dialing allows you to block outgoing calls (except emergency calls), while incoming calls are not restricted [1] Numbers are added to the FDN list, and when activated, FDN restricts outgoing calls to only those numbers listed, or to numbers with certain prefixes
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However, if you enter the wrong PIN2 too many times, it will lock the Fixed Dialing Numbers Fixed dialing numbers (FDN) on the Android smartphone must be enbaled in the phone settings using PIN2 [1] A notable exception is that emergency calls to 000, 112, 911, 999 and the like are exempt
Retro Rotary Dial Phone Sangyn 1960s Vintage Landline. With Fixed dialing numbers (FDN), only calls that have been added to a list can be made on the LG smartphone, and only calls from these numbers can be accepted. You can restrict phone numbers at any time, for example when setting up the Android phone for children
Global One Mobiles CDMA FWP GOFC9100 Open Market Cordless Landline. Fixed dialing allows you to block outgoing calls (except emergency calls), while incoming calls are not restricted A special Fixed Dialing Numbers PIN2 code is needed to enable, disable, or change the list of approved numbers