Polycom RealPresence 1800 Administration Manual page 118

Set up Procedures according to the Dialing Direction
Dialing
Direction MGC Level 1
Collaboration Set the appropriate flags (done once only)
Server to MGC
Define the cascade-enabled Entry Queue.
Define the conference setting and its line
rate to be the same as the one set on the
Collaboration Server.
Polycom, Inc.
RealPresence Collaboration Server (RMX)
1800/2000/4000 Level 2
Set the appropriate flags (done once only)
Define the conference setting and its line rate to
be the same as the one set on the MGC.
Define the dial-out participant (Cascaded Link) to
the conference running on the MGC, setting the
participant Cascade parameter to Slave.
Cascading Conferences
97