APPENDIX II : ABBREVIATIONS AND EXPLANATIONS
CUG | Closed User Group |
GSM | Global System for Mobile Communication |
GPRS | General Pocket Radio Service |
SMS | Short Message Service |
CB | Cell Broadcast |
FDN | Fixed Dialed Numbers |
SIM | Subscriber Identity Module |
PIN | Personal Identity Number. Supplied with SIM card. To |
| unlock the SIM card. |
PIN2 | Personal Identity Number 2. Supplied by the network |
| provider. For special function in protected FDN |
| supported by SIM. |
PUK | Personal Unlock Key. Supplied with SIM card. To unlock |
| the SIM card when you enter the wrong PIN code three |
| times. You can also use it to modify PIN code. |
PUK2 | Personal Unlock Key 2, supplied with a specific SIM card |
| and it is to modify or enable a PIN2 code. |
IMEI | International Mobile Equipment Identity consists of 15 |
| digits. One mobile phone has only one IMEI. |
MCC | Mobile Country Code |
MNC | Mobile Network Code |
Call Waiting | A service that allows you to receive another |
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