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Video Protocols and Resolution Configuration for CP Conferencing
Polycom®, Inc. 97
At conference line rates of 384kbps and 512kbps.
With H.323 and SIP.
H.323 endpoints must identify themselves as Tandberg MXP during capabilities exchange.
In all Video Layouts.
In 1x1 Layout:
When Video Clarity is Off, the Collaboration Server transmits the same resolution as it
receives.
When Video Clarity is On, the Collaboration Server changes the transmitted resolution to
w448p.
For more information see the Polycom® RealPresence Collaboration Server 800s/Virtual Edition
Administrator’s Guide, Video Clarity on page 2-9 "Video Clarity” on page 2-7.
● Resource consumption for the w448p resolution is the same as for SD and WSD resolutions.
The following table lists the video outputs from the Collaboration Server to the Tandberg Endpoints for both
16:9 Aspect Ratio when the w448p resolution is enabled.
Video Output to Tandberg Endpoints- Aspect Ratio 16:9
* It is recommend to set the endpoint to Motion to ensure the transmission of the higher frame rates of 25fps/30fps to
the Collaboration Server.
The following table list the video outputs from the Collaboration Server to the Tandberg Endpoints for 4:3
Aspect Ratio when the w448p resolution is enabled.
Video Output to Tandberg Endpoints - Aspect Ratio 4:3
Network
Environment
Video Quality
Line
Rate
Kbps
Resolution
Frame
Rate
fps
Resolution
Frame
Rate fps
Tandberg
Collaboration
Server
Tandberg to
Collaboration Server
Collaboration Server to
Tandberg
H.323
SIP
Motion Sharpness 384 512x288 30 768x448 25
512 768x448 30 768x448 25
H.323
SIP
Sharpness* Sharpness 384 1024x576 15 768x448 25
512 1024x576 15 768x448 25
Network
Environment
Video Quality
Line
Rate
Kbps
Resolution
Frame
Rate
fps
Resolution
Frame
Rate
fps
Tandberg
Collaboration
Server
Tandberg to
Collaboration Server
Collaboration Server
to Tandberg
H.323
SIP
ISDN
Motion Sharpness 384 576x448
‡ 25 768x448 25
512 576x448
‡ 25 768x448 25