Polycom 8 manual Lecture Mode, 7-25, Defined Conference, Line Rate in Kbps, Connection in Kbps

Chapter 7 - Conference Types

For example, in a conference defined with a line rate of 768 Kbps, a participant with a line rate of 128 Kbps connects as Secondary (audio only) Participants attempting to connect at rates below the set minimum threshold are connected as Secondary in order to maintain the video quality of the conference. Table 7-1 lists the required minimum line rates that participants may use to connect to a Conference On Port.

Table 7-1: Conference On Port line rate - minimum thresholds

Defined Conference	Minimum Participant Line Rate Necessary for Video
Line Rate (in Kbps)	Connection (in Kbps)

128Participants will connect with video if a video session

can be established.

256	128
384	128
512	256
768	384
1920	768

Conference On Port setting is suitable for large Continuous Presence conferences (up to 128 participants for a single video card) for which you do not have enough available video resources or if several Continuous Presence conferences are running on the MCU at the same time and you do not have enough video resources to run all of them simultaneously.

•Conference On Port is limited to 128 participants with a single video card.

•Conference On Port is available only with the Video+ card.

•In a Conference on Port, the Lecture Show function is disabled.

Lecture Mode

Lecture Mode enables automatic switching between the conference participants in the speaker window, allowing the conference speaker to see all the other conference participants (including Continuous Presence layout) while s/he is speaking. The lecturer is the only one seen by all the other participants throughout the conference, in full screen.

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