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RealPresence Collaboration Server (RMX) 1500/1800/2000/4000 Administrator’s Guide
Polycom®, Inc. 269
MIH Cascading – Master-Slave Relationship
Video Session Mode, Line Rate and Video Settings
The types of MCUs, their position in the cascade topology and the endpoint capabilities (HD/CIF and
H.263/H.264) determine the Video Session Type of the MIH Cascading conference.
● When creating a cascading link between two RMXs:
The RMXs operate in CP (Continuous Presence) mode.
DTMF codes should be defined with the same numeric codes in the IVR services assigned to the
cascading conferences.
● When creating a cascading link between MGCs and RMXs:
If there are no MGCs on level 2, the MGCs can operate in either in CP or VSW (Video Switching)
mode.
If there are MGCs on level 2, the MGCs can only operate in VSW mode.
MGC does not support H.264 High Profile, therefore when MGC is part of the Cascading topology,
do not select High Profile on the RMX system.
DTMF codes should be defined with the same numeric codes in the IVR services assigned to the
cascading conferences.