Polycom EDOC2501b Manuale Utente

Alternatively, the Acme Packet SBC (Session Border Controller) can be deployed in the 

enterprise environment to provide secured communications across IP network borders.

Media Plane

The Media Plane contains the Polycom components such as the Polycom RealPresence 

Collaboration Server 1500/2000/4000 (RMX) or the RealPresence Collaboration Server 800s, 

Virtual Edition as the MCU (Multipoint Control Unit) that enables the transcoding, relay, 

and collaboration of the media for SVC-based conferencing. Some components such as the 

Polycom RSS 4000, which is used for video recording, archiving, and streaming, are optional 

for this level.

In this SVC conferencing solution, the RealPresence Collaboration Server communicates 

with the Polycom® RealPresence® Virtualization Manager (DMA)  as the SIP Server. 

Additionally, the RealPresence Virtualization Manager (DMA) is used to manage 

conferences, call control, and signaling. For more information about the RealPresence 

Virtualization Manager (DMA) in the SVC-based conferencing solution, see the 

Call Control Plane

The Call Control Plane contains the RealPresence Virtualization Manager (DMA) that is 

responsible for call control, signaling, and acts as the conference focus. Additionally, the 

RealPresence Virtualization Manager (DMA) is used as the SIP Server for the SVC 

conferencing solution.