2 list of abbreviations – 2N StarGate/BlueTower v5.5 User Manual
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7.2 List of Abbreviations
List of Abbreviations in the document:
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/BlueTower
–
ESME –
External Short Messaging Entity
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
–
POP3 – Post Office Protocol v3
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
–
SIM
Subscriber Identity Module – a chip-equipped module to be inserted in a
–
GSM device for identification
SMPP –
Short Message Peer to Peer
–
SMSC
Short message service center
SMTP –
Simple Mail Transfer Protocol
SMS
Short Message Service, a term for the system and one unit (message)
–
SW
Software
–
TTL
Transistor-Transistor Logic – a standard digital technology defining voltage
–
for levels 0 and 1
PSTN
Public Switched Telephone Network
–