defined in the organization's dial plan. For example, dial 9 for an outside
line, or dial 6 for an audio only call.
Distributed
Deployment
A distributed deployment describes a deployment where the solution
components are geographically distributed in more than one network
location.
DNS Server A DNS server is responsible for resolving domain names in your network by
translating them into IP addresses.
DTMF DTMF, or touch-tone, is the method of dialing on touch-tone phones, where
each number is translated and transmitted as an audio tone.
Dual Video Dual video is the transmitting of two video streams during a
videoconference, one with the live video while the other is a shared data
stream, like a presentation.
Dynamic Video
Layout
The dynamic video layout is a meeting layout that switches dynamically to
include the maximum number of participants it can display on the screen
(up to 9 on the XT Series, or up to 28 on Scopia Elite MCU and/or Equinox
Media Server). The largest image always shows the active speaker.
E.164
E.164 is an address format for dialing an endpoint with a standard
telephone numeric keypad, which only has numbers 0 - 9 and the symbols:
* and #.
Endpoint An endpoint is a tool through which people can participate in a
videoconference. Its display enables you to see and hear others in the
meeting, while its microphone and camera enable you to be seen and
heard by others. Endpoints include dedicated endpoints, like XT Executive,
software endpoints like Scopia Desktop Client, mobile device endpoints like
Scopia Mobile, room systems like XT Series, and telepresence systems like
XT Telepresence.
Endpoint Alias
See Alias on page 83.
FEC Forward Error Correction (FEC) is a proactive method of sending redundant
information in the video stream to preempt quality degradation. FEC
identifies the key frames in the video stream that should be protected by
FEC. There are several variants of the FEC algorithm. The Reed-Solomon
algorithm (FEC-RS) sends redundant packets per block of information,
enabling the sender (like the Scopia Elite MCU and/or Equinox Media
Server) to manage up to ten percent packet loss in the video stream with
minimal impact on the smoothness and quality of the video.
FECC
Far End Camera Control (FECC) is a feature of endpoint cameras, where
the camera can be controlled remotely by another endpoint in the call.
Glossary
August 2017 Installing the Avaya Equinox Streaming and Recording Server 86
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