AirLive VoIP-400 Series - Manual (Page 5)

ITG User’s Guide
Documentation Abbreviations
Throughout this guide, the user will come across a number of abbreviations that are common
throughout the industry. The user should be familiar with the following abbreviations:
ATPM Address Translation and Parsing Manager
CLI Command Line Interface
DSP Digital Signal Processor
DTMF Dual Tone Multi-Frequency
FXO Foreign Exchange Office
FXS Foreign Exchange Station
H.323 ITU specification for multimedia transmission over IP networks
ICMP Internet Control Message Protocol
IMTC International Multimedia Telecommunications Consortium
IP Internet Protocol
ITG Internet Telephony Gateway
KTS Key Telephone System
LAN Local Area Network NVS
Non-Volatile Storage
LED Light Emitting Diode
PBX Private Branch Exchange
PSTN Public Switched Telephone Network
RTP Real-Time Transport
TCID Telephony Channel Identifier
TFTP Trivial File Transfer Protocol
TIM Telephony Interface Modules
TNV Telephone Network Voltage
UDP User Datagram Protocol
UTP Unshielded Twisted Pair
VAD Voice Activity Detection WAN
Wide Area Network
Overview 5