Carrier Access Network Device Axxius 800, Руководство пользователя

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Axxius 800 - Release 2.2 Glossary - 19
Glossary
V.90
V.90
The standard for full-duplex modems sending and receiving data across
phone lines at up to 56,600 bps, approved by the International
Telecommunication Union (ITU) in February, 1998.
VC MUX
Virtual Channel Multiplexer.
Voice Over IP
(VoIP)
An emerging technology that is, voice delivered using the Internet
Protocol, is a term used in IP telephony for a set of facilities for managing
the delivery of voice information using the Internet Protocol (IP). In
general, this means sending voice information in digital form in discrete
packets rather than in the traditional circuit committed protocols of the
public switched telephone network (PSTN). A major advantage of VOIP
and Internet telephony is that it avoids the tolls charged by ordinary
telephone service.
Wide Area
Network
(WAN)
A private long distance network that uses leased lines to connect
computers or LANs. A wide area network is a linking of computers not
physically attached through conventional network connectivity. Usually
the WAN connection is a dedicated or high grade dial up phone link. It
is often done with T1 or T3 connections but can also be through satellite
or other technologies.
Wink
A signal sent between two telecommunications devices as part of a
handshaking protocol. It is a momentary interruption in SF (Single
Frequency) tone, indicating that the distant Central Office (CO) is ready
to receive the digits that have just been dialed. In telephone switching
systems, a single supervisory pulse.