Polycom ViewStation - Manual (Page 236)

Glossary
ViewStation User Guide 220 www.polycom.com
Firewall A network node set up as a boundary to
prevent traffic from one segment from
crossing over into another.
fps Frames per second. A measure of quality of
a video signal. NTSC TV standard in North
America uses 30 fps. European standards
are 25 fps.
FTP File Transfer Protocol. A part of the chief
Internet protocol stack, or group (TCP/IP)
used for transferring files from Internet
servers to your computer.
Full Duplex Transmission in two directions
simultaneously (bi-directional
communication). Full-duplex speakerphones
allow both sides of the call (or multiple sides)
to be talking simultaneously without any
clipping of words or loss of volume.