Polycom RMX 2000 Getting Started Manual page 134
Polycom rmx™ 2000/4000
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Also See for RMX 2000:
- Administrator's manual (312 pages) ,
- Getting started manual (84 pages) ,
- Hardware manual (69 pages)
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Appendix A-Glossary
A-6
Abbreviation/
Explanation
Term
RS-232
A standard for serial interface connection.
SIP
Session Initiation Protocol. An application-layer protocol
designed to work over IP networks. A SIP service defines
the properties and the IP addresses of the SIP network
components.
Span
An ISDN line or leased line. A span may be of either T1
(United States) or E1 (Europe) type. Also called a circuit.
T1 Line
A 1.5Mb digital switched line used in the United States.
ToS
Type of Service. ToS defines optimization tagging for
routing audio and video packets.
WAN
Wide Area Network. A communications network that
services a geographical area larger than the LAN.
Whiteboard
An on-screen shared notebook for placement of shared
documents.
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