URI Dialling
Accessing a device via its
URI
on page 110.
VFU
See
Video Fast Update (VFU)
on page 111.
VGA
VGA defines a video resolution of 640 x 480 pixels.
Videoconference
A videoconference is a meeting of more than two participants with audio and video using endpoints.
Professional videoconferencing systems can handle many participants in single meetings, and multiple
simultaneous meetings, with a wide interoperability score to enable a wide variety of endpoints to join
the same videoconference. Typically you can also share PC content, like presentations, to other
participants.
Video Fast Update (VFU)
Video Fast Update (VFU) is a request for a refreshed video frame, sent when the received video is
corrupted by packet loss. In response to a VFU request, the broadcasting endpoint sends a new intra-
frame to serve as the baseline for the ongoing video stream.
Video Layout
A video layout is the arrangement of participant images as they appear on the monitor in a
videoconference. If the meeting includes a presentation, a layout can also refer to the arrangement of
the presentation image together with the meeting participants.
Video Resolution
See
Resolution
on page 106.
Video Switching
See
Switched video
on page 110.
Virtual Room
A virtual room in Scopia Desktop and Scopia Mobile offers a virtual meeting place for videoconferences.
An administrator can assign a virtual room to the organization's users and conference rooms. Users can
User Guide for Scopia XT5000 Series Version 3.2
Glossary of Terms for Scopia Solution | 111
