Videoconferencing requires that
at each connecting end of the
conference there is at least a
video monitor, camera, speaker
and microphone.
The
equipment may be configured
in many different ways:
a complete television studio,
an all-in-one portable videoconferencing
unit or an integrated Distance
Learning classroom.
There
must also be a system to transmit
the audio/video signals between
the sites.
Videoconferencing connections are generally
made using IP.
IP (Internet
Protocol) is videoconferencing
over the Internet. IP videoconferencing
sites can connect through either
a closed IP network, such as a
district local area network (LAN)
or a regional wide area
network (WAN),
or an open IP network, such as
the public
Internet. IP-based videoconferencing
has grown in leaps and bounds
over the last few years as the
Internet becomes more sophisticated
and mature. Another term for IP
videoconferencing is H.323
videoconferencing.
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