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Additional Conferencing Information
Various conferencing modes and video features require additional settings, such as system flag settings,
conference parameters and other settings. In depth explanations of these additional settings are described
in the following sections:
● Video Preview
● Auto Scan and Customized Polling in Video Layout
● Packet Loss Compensation - LPR and DBA
● Layout Indications
● Lecture Mode
● Audio Algorithm Support
● Automatic Muting of Noisy Endpoints
● Permanent Conference
● Closed Captions
Video Preview
Collaboration Server users can preview the video sent from the participant to the conference (MCU) and the
video sent from the conference to the participant. It enables the Collaboration Server users to monitor the
quality of the video sent and received by the participant and identify possible quality degradation.
The video preview is displayed in a separate window independent to the Collaboration Server Web Client.
All Web Client functionality is enabled and conference and participant monitoring as well as all other user
actions can be performed while the video preview window is open and active. Live video is shown in the
preview window as long as the window is open. The preview window closes automatically when the
conference ends or when participant disconnects from the conference. It can also be closed manually by
the Collaboration Server user.
Video Preview Guidelines
● Video Preview is supported in CP Conferencing Mode only.
● Video preview is available for AVC participants. It is not available for SVC participants.
● Video preview window size and resolution are adjusted to the resolution of the PC that displays the
preview.
● Video Preview of the video sent from the conference to the participant is shown according to the line
rate and video parameters of the level threshold to which the participant is connected.
• Video Preview is applicable for AVC endpoints only.
• Video Preview is not supported when the Collaboration Server is in Ultra Secure Mode. For more
information see Ultra Secure Mode.