• Barred Dialling Number (BDN)
This function can be used to restrict the mobile handset from dialling specific numbers. This
function is only available if the SIM card supports it. In most cases, it will be greyed out
showing its unavailability. This function could be used to restrict a child’s mobile to prevent
them ringing emergency numbers
• Fixed Dialling Number (FDN)
This functions allows the user to create a list of numbers. This list can be saved back to the
SIM card. When it is inserted into the handset it restricts outgoing calls to only those numbers
in the list. The user must enable this function in the mobile phone to work. To write a FDN list to
the SIM card, PIN2 code must be entered.
• Service Dialling Number (SDN)
This list contains some special service numbers which the service operator may insert into your
SIM card.
• Save Changes
Double click on any record and start editing the contents on current records field.
User has to click ‘Save Changes ‘ button to confirm save all changes.
Otherwise, contents will not be changed.
Print out all current records displayed on screen.
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