Internet Telephony Gateway User's Manual

SIP Voice Gateway User’s Manual
Preface
iv
Important Safety Instructions
Before plugging VIP into an electrical outlet, carefully read all the installation instructions in Chapter
2.
For your own safety and the safety of your equipment, always take the following precautions:
·
Follow instructions and warnings in the documentation.
·
Never push any object through the fan vent or other openings in the equipment. Such
action may produce a short circuit, causing fire, electric shock, or equipment damage.
·
Keep VIP away from all chemicals and sources of liquids.
Warning
·
Connection of the RJ45 connector from a VIP to TNV circuits can cause permanent damage to
VIP.
·
Incorrectly connecting telephony devices to the RJ11 port on the Telephony Interface
Module can cause permanent damage to the module.
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
E&M
Ear & Mouth
FXO
Foreign Exchange Office
FXS
Foreign Exchange Subscriber
SIP
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