RealPresence Collaboration Server (RMX) 1500/1800/2000/4000 Administrator’s Guide
Polycom®, Inc. 240
Guidelines for Setting the Video Layout in Cascading Conferences
To ensure that conferences can be cascaded and video can be viewed in all conferences the following
guidelines are recommended:
The same version installed on all MCUs participating the cascading topology
The same license installed on all MCUs participating the cascading topology
Same Conference Parameters are defined in the Profile of the conferences participating in the
cascading topology
Conference line rates should be identical
Content rate should be identical
Same encryption settings
DTMF codes should be defined with the same numeric codes in the IVR services assigned to the
cascading conferences
DTMF forwarding is suppressed
The video layout of the link is set to 1x1 by the appropriate system flag.
Cascaded links in 1x1 video layout are in SD resolution.
When the Mute Participants Except Lecturer option is enabled in the Conference Profile, all
participants (including the link participants) except the lecturer are muted. Only the lecturer is not
muted.
Gathering is not supported in Cascading Conferences.
Video Layouts in Cascaded Conferences
Conference A Conference B
Without cascading
During cascading
Video layout of conference
B within window of
conference A
Video layout of conference
A within window of
conference B