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Appendix H - Deployment Into Microsoft Environments
Polycom®, Inc. 986
Video Resource Requirements and Implications
Lync 2013 SVC clients may not all connect to a VMR with the same stream layout. They are therefore
considered H.264 AVC participants and transcoding resources are allocated to them as summarized in the
following table.
Support for HD1080p Resolution
The Collaboration Server Hosted deployment supports HD1080p30 video resolution symmetrically for direct
calls.
The MS AV MCU Cascade deployment supports HD1080p30 video resolution only if
Video Optimized
mode
is selected and according to the settings of the LYNC_AVMCU_1080p30_ENCODE _RESOLUTION
System Flag:
NO (Default) Video streams sent to and received from the MS AV MCU are HD720p30, SD, and CIF.
YES Video streams sent to the MS AV MCU are HD1080p30, SD, CIF. Video streams received from
the MS AV MCU are 720p30,SD, and CIF.
Bandwidth and Resource Consumption by Video Codec
Video Codec Resolution and Aspect
Ratio
Maximum Video
Payload Bit rate
(Kbps)
Minimum Video
Payload Bit rate
(Kbps)
Resources
H.264 320x180 (16:9)
Coded as 320x192
212x160 (4:3)
250 15 CIF
H.264/RTVideo 424x240 (16:9)
Coded as 432x240
320x240 (4:3)
350 100 CIF
H.264 480x270 (16:9)
Coded as 480x272
424x320 (4:3)
Coded as 432x320
450 200 SD
H.264/RTVideo 640x360 (16:9)
Coded as 640:368
640x480 (4:3)
800 300 SD
H.264 848x480 (16:9) 1500 400 SD
H.264 960x540 (16:9)
Coded as 960:544
2000 500 SD
H.264/RTV 1280x720 (16:9) 2500 700 HD720p30
H.264 1920x1080 (16:9) 4000 1500 HD1080p30