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Polycom® RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator’s Guide
2-18 Polycom, Inc.
Mixed CP and SVC Conferencing
In a mixed CP (AVC) and SVC conference, AVC-based endpoints and SVC-enabled
endpoints can be supported in the same conference.
In a mixed CP (AVC) and SVC conference, SVC endpoints transmit multiple resolutions and
temporal layers to the RealPresence Collaboration Server like the SVC-based conferences,
while AVC endpoints, for example, send only one H.264 AVC video stream to the
Collaboration Server. Other endpoints (also referred to as AVC endpoints as opposed to
SVC endpoints) can send different video protocols, such as H.263. The Collaboration Server
relays SVC-decoded video bit streams to the SVC-enabled endpoints in the conference
according to their display capabilities. This enables the video conference layouts to be
automatically assembled by the endpoint. AVC endpoints connected to the conference send
a single H.264 AVC video bit stream to the Collaboration Server, which is then transcoded
to SVC video streams. SVC-enabled endpoints receive the AVC converted video bit streams
through the Collaboration Server from the AVC endpoints as a single SVC video bit stream.
Alternatively, AVC endpoints receive a single video bit stream with the defined video
conference layout from the Collaboration Server. In this mixed mode conferencing, both
SVC and AVC endpoints in the conference receive the same CP layout.
Mute participants except the lecturer Not applicable
IVR Name Conference IVR Service
Message Overlay Disabled
Network Services - SIP Registration Disabled
Network Services - Accept Calls Enabled
Table 2-7 Default SVC Only Conference Profile Settings (Continued)
Setting Value