Polycom 1500 Administrator's Manual page 182

RealPresence Collaboration Server (RMX) 1500/1800/2000/4000 Administrator's Guide
Guidelines for Sharing Content Using H.264 Cascade and SVC Optimized
● In Cascading conferences, the cascade link must be H.323.
● This is the only available Content sharing mode in SVC and mixed CP and SVC Conferencing Modes.
● In SVC and mixed CP and SVC Conferencing Modes the Content Line rate is fixed at 128Kbps.
● H.323, SIP and ISDN (Collaboration Server 1500/2000/4000) participants are supported in AVC CP
Conferencing Mode.
● In Collaboration Server 1500/2000/4000, H.264 High Profile is not supported in MPMx Card
Configuration Mode. H.264 High Profile is supported in MPMRx card Configuration Mode and with
Collaboration Server 1800.
● Maximum supported content resolution is 1080p.
● When H.264 Cascade and SVC Optimized is selected in AVC CP Conferencing Mode, the Send
Content to Legacy Endpoints selection is enabled by default. Endpoints that cannot connect at a
line rate required to support the conference Content Rate are considered Legacy Endpoints and will
receive Content in the video channel.
● In SVC Conferencing Mode, endpoints that cannot connect at a line rate required to support the
conference Content Rate will receive Content in the video channel.
● Gathering Phase is not supported in Cascading Conferences.
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