The Adn/fdn/sdn_ telephone in Iccprovider

Want to find Iccprovider in the adn/fdn/sdn what difference, found the following article, overall, fdn/sdn use less, SIM card on the phone is ADN.

ADN abbreviated dialing number
FDN Fixed Dialer Number
BDN Barred Dialing numbers
LND Last number dialed

SDN Service Dialing Number

ADN (SIM phone book) indent dial. Number + #, and then press the Sned key.
FDN (SIM fixed dialing) fixed dialing. When enabled, you can only dial the number you set, and the caller is not affected. Need to enter PIN2 code
MSISDN (SIM protection number)
EN (SIM emergency number)
LND (synthetic ME and SIM final dialing)
MSD (SIM not answering number)
Me (Me phone book)
MT (synthetic ME and SIM phone books)
LIC (Me answering number)
SDN (System dialing number) network Service dialing. The cured user cannot edit.

The maximum number of phone numbers that can be stored in the SIM card is equal to: and+fdn+sdn

Fixed dialing

This feature is designed to prevent unauthorized use when a mobile phone is loaned to a third party. That is, a user to lend the mobile phone B users, only limited B users to dial a user specified number, the unspecified number cannot be dialed out, this function also applies in the collective condition (for example put in the collective dormitory charge) to prevent others to use, and does not delay to talk, but after use found, the SIM storage fixed number space is too small , the ordinary 32K SIM card can only save one phone number, the mobile zone 32K SIM card can only save two numbers, 64K large capacity SIM card can only save two. When you start a fixed dialing, the SIM card phonebook is blocked and the "FDN phone book" appears in the phone book, FDN the fixed dialing number you set. At this time, you can not dial out the phone number outside the FDN.
You need to use PIN2 when you enable (cancel) This feature and add (change, delete) the FDN number

The fixed dialing feature allows you to set the use limit of your phone, and when you turn on the fixed dialing feature, you can only dial the number in the stored fixed dialing list. The fixed number table is stored in the SIM card. The ability to use the fixed dialing feature depends on the SIM card type and whether the network provider provides this functionality