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Chapter 4 - Setting Up Conferences
4-52
Audio Alg (cont.)
• In Transcoding or Continuous Presence
conferences, you can set the audio algorithm to
any of the available audio algorithms as in a Video
Switching conference. If set to Auto, the system
tries to connect the participants using the best
possible audio algorithm according to the line rate
set for the conference.
Dual Stream
Mode
In this mode, the endpoint sends two video streams:
Video and data. The Video is based on the principle, “I
see you and you see me”, while data implies “we both
see the same content”. The video streams are
handled differently by the receiving endpoint. The
different streams may be shown on separate screens
during the video session.
• None - The Dual Stream mode is unavailable.
In such a case, the Video Protocol parameter is set
to Auto.
• H.239/People+Content - Enables sending two
alternating video streams, People and Content for
most Polycom endpoints. This is the Polycom
proprietary protocol while H.239 is the industry
standard.
• People and Content V0 - Polycom proprietary
technology, mainly intended for PictureTel and
other older endpoints. For this mode, Annex N,
Annex P and Annex F are selected by default.
• Visual Concert PC and FX - Available with
Polycom Viewstation or Viewstation FX endpoints.
• DuoVideo - Available with Tandberg endpoints in
which one conference is set as the video
conference and the other as the presentation
conference. Select this option when defining
presentation conferences.
For a detailed description of Dual Stream options, see
the MGC Manager User’s Guide, Volume II,
Chapter 1, “Dual Stream Modes”.
Table 4-5: Conference Properties - Settings Parameters (Continued)
Option/Field Description