10
CUG
GSM
EMS
SMS
SMS-CB
FDN
SIM
PIN
PIN2
PUK
PUK2
IMEI
Closed user group
Global system of mobile communication
Enhanced message service
Short message service
Cell broadcast.
Fixed dialing numbers
Subscriber identity module
Personal identity number.
Supplied together with SIM card. Used to unlock the SIM card.
Personal identity number 2. Supplied by the operator. Used as special function
in protected FDN which is supported by SIM
Supplied together with SIM card. It is used to unlock the SIM card if you enter
the wrong PIN code three times and SIM card is locked. You can also use it to
modify PIN code.
Personal unlock code 2, supplied together with a specific SIM card, and used
to modify or enable a PIN 2 code
International mobile equipment identity, consists of 15 numbers. One mobile
APPENDIX II ABBREVIATIONS AND EXPLANATIONS