28
10. 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 Multifrequency - tone dialing
·
EG
- EasyGate
·
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
·
SIM
- Subscriber Identity Module - a chip-equipped module to be inserted in a
GSM device for identification
·
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
Summary of Contents for Ateus-EasyGate
Page 1: ......
Page 35: ...30 2004 2N TELEKOMUNIKACE a s ...