Polycom ViewStation Manual do Utilizador descarregar pdf (Página 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.

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Polycom ViewStation Manual do Utilizador Página 236