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®
13.1 List of Abbreviations
APN (
Access Point Name) Name of GPRS access point.
CSD (
Circuit Switched Data) Circuit switched data transmission.
GSM
(Group Switched Mobile system) Current standard for mobile telephone
systems.
GPRS (
General Packet Radio Service) High-speed packet oriented mobile data
service.
HW
(Hardware) For this purpose, hardware means an electronic device, circuit,
board, component, etc..
PIN
(Personal Identification Number) SIM card protecting code against
unauthorised use.
PUK
(Personal Unblocking Key) SIM card unblocking code after repeated wrong
PIN entering attempts.
SIM
(Subscriber Identity Module) Chip module for GSM identification.
FW (
Firmware) Software responsible for system function.
SW
(Software)