Tandberg Data 3000MXP - Manual (Page 145)

Glossary
141
Modem mode: (Dataport) Supports external control of the system via a PC as in Control
Mode. Once a call is established, Dataport 1 will automatically switch to Data mode.
When the call disconnects, Dataport 1 switches back to Control Mode.
MSN: Multiple Subscriber Number. Possible to attach different ISDN terminals, with different
numbers, to the same physical ISDN telephone line. The service can be ordered from
the telephone company.
multipoint call: A call with more than two participants including yourself
MultiSite: The TANDBERG systems internal MCU. Built-in system which makes it possible to
establish meetings with up to 5 video calls and 5 telephone calls.
MultiSite cascading: By connecting up to 4 MultiSite systems together to achieve a higher
number of participants in a multipoint call.
N
NAT: Network Address Translation. NAT support in the videoconferencing system enables
proper exchange of audio/video data when connected to an external
videoconferencing system when the IP traffic goes through a NAT router. Used in
small LANs, often home offices, when a PC and a videoconferencing system is
connected to a router with NAT support.
NAT Address: The external/global IP-address to the router with NAT support. Packets sent
to the router will then be routed to the system's IP address.
Natural Audio ModuleTM: Designed to improve audio quality during a videoconference. It is
mounted in the cabinet above the Codec and consists of an audio system optimized
for speech.
Natural Presenter Package: Consists of Duo Video, Digital Clarity and PC Presenter.
Natural VideoTF: 60 fields per second true interlaced picture.
Near End: In a video conference, Near End means your own side of the conference. Near
Camera is your own camera. Opposite to Far End
Network clocking: Specifies the number of physical external clock signals.
Network Interface: Indicates if the network is of type E1 or T1.
Network profiles: It is possible to define up to 6 network profiles, each consisting of name
and call prefix, and 3 of them also include network selection.
Non Standard Facility: The network provider may require service selection in your ISDN
configuration. Valid NSF codes are from 1 to 31. 0 will disable NSF service codes.
NR: Noise Reduction. Reduces constant background noise (e.g. noise from air-conditioning
systems, cooling fans, etc.).
NSF: Non Standard Facility.
NTSC: National Television System Committee. Video standard corresponding to 4SIF.
Primary used in USA, Japan and other countries.
O
Option Key: Required by the system to activate optional features such as MultiSite and
Presenter.
P
PAL: Phase Alternation by Line. Video standard corresponding to 4CIF. Primary used in
Europe, Middle East and Asia