User's Manual
RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator’s Guide
5-12 Polycom, Inc.
Collaboration 
Server 
Gateway
Codian 
Gateway
Dial out participants use a fixed rule 
behind the Codian Gateway.
Collaboration 
Server v. 7.1
Latest Codian 
version
Codian 
Gateway
Collaboration 
Server MCU
User calls via a Codian Gateway to a 
Remote Conference (user to conference)
Collaboration 
Server v. 7.1
Latest Codian 
version
Codian 
Gateway
Collaboration 
Server Gateway
User calls via a Codian Gateway to a 
Remote User behind Collaboration Server 
Gateway (user to user)
Collaboration 
Server v. 7.1
Latest Codian 
version
Collaboration 
Server MCU
Radvision 
Gateway
User calls via a Radvision Gateway to a 
Remote User behind Collaboration Server 
Gateway (user to user)
Collaboration 
Server v. 7.1
Latest Radvision 
version
Collaboration 
Server 
Gateway
Radvision 
Gateway
User calls via a Radvision Gateway to a 
Remote User behind Collaboration Server 
Gateway (user to user)
Collaboration 
Server v. 7.1
Latest Radvision 
version
Radvision 
Gateway
Collaboration 
Server MCU
User calls via a Radvision Gateway to a 
Remote Conference (user to conference)
Collaboration 
Server v. 7.1
Latest Radvision 
version
Radvision 
Gateway
Collaboration 
Server Gateway
User calls via a Radvision Gateway to a 
Remote User behind Collaboration Server 
Gateway (user to user)
Collaboration 
Server v. 7.1
Latest Radvision 
version
Endpoint Collaboration 
Server Gateway
User calls directly to a DMA controlled 
environment
Collaboration 
Server v. 7.1
Collaboration 
Server MCU
Collaboration 
Server Gateway
A dial out participants calls to a remote 
conference on a DMA controlled 
environment
Collaboration 
Server v. 7.1
Table 5-2  MCU Interoperability Table (Continued)
Scenario Version(s)










