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Chapter 2-Conference Profiles
Polycom, Inc. 2-7
— HD1080p60
— H.264 1080p30
— H.264 720p30
— H.264 720p60
— H.264 SD 30
— H.264 CIF (from version 7.6)
— H.263 CIF (from version 7.6)
— H.261 CIF (from version 7.6)
• Video Switching conferencing mode is unavailable to ISDN participants.
• Video Switching uses fewer system resources than CP: only one CIF video resource per
participant for any resolution (including HD). Table 2-2 lists the resources available to
VSW conferences by line rate and card type.
*
Capacity numbers are for maximum capacity card assemblies. These numbers may be lower
when LPR and/or encryption are enabled.
Table 2-3 lists the recommended number of connections at HD1080p resolution for fully
configured and licenced RealPresence Collaboration Server (RMX) systems with MPMx
cards. For detailed resource capacity information see the relevant Collaboration Server
Hardware Guide.
• The maximum supported video conference size is 160 participants with the MPM+ card
and 180 participants with the MPMx card.
• The display aspect ratio is 4x3 or 16x9.
• Site (endpoint) names, skins, message overlay etc. are not supported in Video
Switching.
• Video forcing is enabled at the conference and participant levels.
Table 2-2 VSW Resource Capacity Line Rate
Resource Type
Maximum Possible Resources Per Card*
MPM MPM+ MPMx
VSW 2Mbps 40 80 80*
VSW 4Mbps 40 40 40*
VSW 6Mbps -2020*
From Version 7.1, MPM media cards are not supported.
From Version 8.1, MPM+ media cards are not supported.
Table 2-3 Maximum Number of HD1080p Connections by Line Rate
Line Rate/Participants RMX 1500 RMX 2000 RMX 4000
Up to 2Mbps 80 160 320
4Mbps 40 80 160
6Mbps (MPM+/MPMx)
20 40 80