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

 

Page 33

Page 34
Image 34
Audiovox GSM-609 manual Appendix II Abbreviations and Explanations, PIN2