Polycom RMX 1500 Administrator's Manual page 219

Defining the Cascading Conferences
The table below lists the line rates and the video settings that should be
used when defining the conferences on the MGC. The same line rates
should be selected when defining the Conference Profiles on the RMX, as
well as whether the conference is HD Video Switching. However, the
video settings will be automatically selected by the system.
Table 3-8 Recommended Conference Line Rates for Cascaded Conferences
Topology
MGC

RMX
In addition, the conference running on the MGC should be set as Meet Me
Per Conference and select the H.239 option in the Dual Stream Mode field.
For more details on conference definition on the MGC, refer to the MGC
Manager User's Guide, Volume I, Chapter 5.
Defining the Dial-out Participant on the RMX
If the dialing is done from a conference running on the RMX to the
conference running on the MGC, the dial-out participant is defined in the
conference running on the RMX, setting the Cascade field to Slave. This
participant dials the Cascade-enabled Entry Queue defined on the MGC.
1
Display the list of participants in the linked conference (Slave
conference).
2
In the Participant List pane, click the New Participant (
Polycom RMX 1500/2000/4000 Administrator's Guide
Video Session Mode
MGC - CIF 263
RMX - CIF 264 CP
MGC - HD VSW
RMX - HD VSW
Conference Line
Rate
768Kb/s, 2Mb/s
1.5Mb/s
) button.
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