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Polycom RealPresence Collaboration Server (RMX) 1500/2000/4000
5-6 Polycom, Inc.
Figure 5-3 Gateway to Gateway Topology
In this topology, an IP participant calls another IP participant over an ISDN link
between two gateways.
• Gateway to MCU
Figure 5-4 Gateway to MCU/ MCU to Gateway Topology
In this topology, an IP participant calls a conference running on an MCU via a gateway
and over an ISDN link.
• MCU to MCU
Figure 5-5 Cascading Between Two MCUs Using an ISDN Link
In this topology, an ISDN participant from conference running on MCU A calls a
conference running on MCU B over an ISDN link.
Guidelines
• Content is restricted. When another endpoint wants to send content, the first endpoint
must stop sending content before the second endpoint can initiate or send content.
• Endpoints that do not support H.239 can receive the Content using the Send Content to
Legacy Endpoints option.
RMX Gateway B
RMX Gateway A
RMX Gateway A RMX MCU B