List of Abbreviations
6.3
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6.3 List of Abbreviations
APN
Access Point Name – necessary for the GPRS service
CLIP
Calling Line Identification Presentation
CSD
Circuit Switched Data
COM
PC serial port
DTMF
Dual Tone Multi Frequency - tone dialling
EG
StarGate/BlueStar/BlueTower
FSK
Frequency Shift Keying
FXO
an interface electrically identical with a standard telephone (opposite side =
FXS interface)
FXS
a telephone interface allowing standard telephone connection (opposite side
= FXO interface)
FW
Firmware - similar to SW, a term for the central microprocessor program
GSM
Group Switched Mobile system - the present standard digital mobile telephone
network
GPRS
General Packet Radio Service - high-speed data transmission for GSM
networks
HW
Hardware - an electronic device, circuit, board, component, etc. in this context
P(A)BX
Private (Automatic) Branch Exchange
PC
Personal Computer (based on the IBM PC standard)
PIN
Personal Identification Number - a SIM card securing password
PUK
Personal Unblocking Key - a password used to unblock a blocked SIM card
after repeated wrong PIN entering
RS-232C
a PC serial port standard
Summary of Contents for BlueStar
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