Polycom RealPresence RMX 1500 Administrator's Manual page 295

For more details, see MGC to RealPresence Collaboration Server
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
RealPresence Collaboration Server, as well as whether the conference is HD Video Switching. However,
the video settings will be automatically selected by the system.
Recommended Conference Line Rates for Cascaded Conferences
Topology Video Session Mode
MGC MGC - CIF 263

RealPresence Collaboration Server -
CIF 264 CP
RealPresence
Collaboration
MGC - HD VSW
Server
RealPresence Collaboration Server -
HD VSW
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 RealPresence Collaboration Server
If the dialing is done from a conference running on the RealPresence Collaboration Server to the conference
running on the MGC, the dial-out participant is defined in the conference running on the RealPresence
Polycom®, Inc.
Defining Cascading Conferences
Cascading.
Conference Line Rate
768Kb/s, 2Mb/s
1.5Mb/s
264