Codian MCU Series Version 2.1(1.7) Release Notes
Copyright © Codian Ltd 2007 v1.1 Page 2
Codian ClearVision™ option on the MCU 4500 Series
There is a new option called ClearVision on the
Settings > Conferences
page of the MCU 4500 Series. When
enabled, the MCU 4500 Series will enhance video streams from endpoints sending low resolution streams in
order to make best use of its HD video capabilities.
Conference participants whose video is enhanced will have their original and enhanced video resolution shown
in the conference participants page and in the video section of the individual participant’s
Statistics
page.
Automatically making the content channel important
There is a new option called Automatically make content channel important on the
Settings > Conferences
page
of all MCU models. When enabled, any new content channel (e.g. an endpoint successfully starting to
contribute H.239 to a conference) is immediately treated as important by the MCU. This has the same effect as
clicking the crown icon for the "Content channel participant” of a conference. Participants who see the content
channel within their conference video layout will see it displayed prominently.
An administrator can remove the importance subsequently.
Floor control
The Codian MCU 4200 Series and MCU 4500 Series now support floor control (also known as chair control).
Some H.323 endpoints support a feature known as floor control that is encompassed by the H.243 protocol.
Codian’s implementation of floor control is designed to work with all H.243-compliant endpoints. (Floor
control is not currently supported by SIP.)
The MCU supports the following H.243 features:
A participant can "take the floor" in a conference. On "taking the floor" their video contribution is
sent to all conference participants as a "1 x 1 view":
If the active floor participant (temporarily or permanently) has no video channel established to the
MCU, then other endpoints will see their "normal" continuous presence view
If there is a video channel from the active floor participant, everyone will see that video, and this
will override any view family or custom layout setting
An endpoint can receive the names of the other endpoints in the same conference. Different endpoints
act on this in different ways
Every conference supports floor control and the MCU will always advertise the ability to handle H.243 when
establishing (and receiving) H.323 connections. Any H.243-capable endpoint can request the floor, and all
endpoints (be they chairperson or guest) will be granted it as long as no other endpoint in that conference has
already done so. Because only one endpoint can “hold the floor” at a time, it is important that the endpoint
“releases the floor” as soon as it no longer requires it.
Floor control has been tested with the following endpoints:
Tandberg Edge 95
Tandberg MXP 1000
Tandberg MXP 1700
Tandberg MXP 3000
Tandberg MXP 6000
Tandberg MXP 990
Tandberg T150
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