Chapter 1 Understanding Your IP1200C 5
PBX
Private Branch Exchange. Privately switching equipment in an office.
POTS
Plain Old Telephone Service. Telephone services supplying standard single lines
and access to the public switching telephone network.
PSTN
Public Switched Telephone Network
VAD Voice
Activity
Detection
VoIP
Voice over Internet Protocol. A technology of transmitting voice as packets over
TCP/IP networks.
VPN
Virtual Private Network
TCP/IP
Transmission Control Protocol/Internet Protocol
Conventions
This manual uses the following conventions to convey instructions and information.
Italic boldface
Prompts displayed on the screen.
< >
Information or command you have to input.
bold letters
Notes, cautions and helpful information.
xxx
Examples of alphabet or numeric.
Summary of Contents for IP1200C
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