ClearOne V-There 2000, Руководство по установке и эксплуатации

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Glossary
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ClearOne Communications ~ www.clearone.com
D
Delimiter
A character that is used to indicate that a gateway prefix is being used.
For example, if * is the delimiter and P is the gateway prefix, you enter *P and the
V-There automatically connects at 128K. See also Gateway and Gateway prefix.
DHCP
Dynamic host configuration protocol is a protocol for assigning dynamic IP
addresses to devices on a network. With dynamic addressing, a device can have a
different IP address every time it connects to the network. DHCP also supports a
mix of static and dynamic IP addresses.
DNS server
Domain name system (or service) is an Internet service that translates
domain names into IP addresses. Because domain names are alphabetic, they’re
easier to remember.
DTMF tones
Dual tone multi-frequency assigns a specific frequency, or tone, to
each button on, for example, a remote control so that it can easily be identified by a
microprocessor.
E
E164
A numeric name that is assigned to your gatekeeper. See also H.323.
Echo cancellation
A system for applying echo cancellation to an input.
Ethernet
A local-area network protocol. See also LAN.
F
Far-end
The location at the other end of the video conference.
Firmware
Firmware is software embedded in a device.
Flash card
. See PCMCIA card.
G
Gatekeeper
The gatekeeper verifies the destination address of a call prior to
allowing the call to proceed. It also controls bandwidth usage so the network isn’t
overloaded and it provides convenient address translation for the far-end
conferencing system in a call.
Gateway A gateway is a combination of hardware and software that links two
different types of networks together.