Polycom VIEWSTATION, User Manual

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Glossary
ViewStation User Guide 216 www.polycom.com
ARJ Admission Reject Message. In an H.323
environment, the ARJ is the message from
the Gatekeeper to an end point rejecting the
end point’s request to connect to another
end point.
ARQ Admission Request Message. In an H.323
environment, the ARQ is the message to the
Gatekeeper from an end point requesting a
connection to another end point.
Audio Bandwidth The audio frequencies that a device can
handle. This refers to the range of sound
(treble and bass or voices for
speakerphones).
Automatic Voice Tracking A feature on Polycom ViewStations that
allows the camera to point towards the
person speaking.
Bandwidth The data-carrying capacity of a network
connection, used as an indication of speed.
For example, an Ethernet link is capable of
moving 10 million bits of data per second. A
Fast Ethernet link can move 100 million bits
of data per second – 10 times more
bandwidth.
Bits per second (bps) The amount of information that passes
through a transmission line in one second. A
bit is one-eighth of a byte.
Bonding Calls In ISDN BRI transmissions, bonding refers to
joining the two 64 Kbps B channels together
to get one channel of 128 Kbps.