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Chapter 7 - Defining a New Video Conference
7-9
connect participants to the conference at this line rate or lower, according
to their individual capabilities.
In a Conference On Port (COP), select the estimated highest transfer rate
common to all participants. In this mode, all conference participants
must use the same video parameters.
In order to maintain a minimum video quality for a Conference On Port,
there is a minimum threshold line rate that participants must support in
order to connect with video. The minimum line rates necessary to
connect to a Conference On Port are displayed in Figure 7-1. Participants
attempting to connect at rates below the minimum conference line rate
threshold are connected as Secondary (Audio Only).
16. In the Msg Service Type field, select IVR or None for a conference
without voice messages. An IVR service allows participants to interact
with the MCU by using DTMF codes and provides functionalities such
as Conference Entry password, Conference Chairperson identification,
Roll Call, Invite and Click&View. For more information about IVR, see
the MGC Manager User's Guide, Volume II, Chapter 2.
17. If you have selected IVR, in the Msg Service Name list, select the name
of the predefined IVR Service for the conference. If left blank, the
default IVR Service is automatically selected if one is defined.
18. If required, select the Conference On Port option if available if
Continuous Presence was selected in the Video Session area of the
Table 7-1: Conference On Port Line Rate Minimum Thresholds
Defined Conference
Line Rate (in Kbps)
Minimum Participant Line Rate Necessary for
Video Connection (in Kbps)
128 Participants will connect with video if video
session can be established.
256 128
384 128
512 256
768 384
1920 768