RealPresence Collaboration Server (RMX) 800s/Virtual Edition Administrator’s Guide
Polycom®, Inc.
134
*
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.
‡
MXP 990/3000
endpoints transmit 576x448 pixels. Other
MXP
endpoints may transmit other resolutions
eg.
CIF
.
Content
Sharing and receiving
Content
is supported.
Bandwidth allocated to the
Content
channel during
Content
sharing may cause the video resolution to be
decreased as from
w448p
to
w288p
.
When
Content
sharing stops and the full bandwidth becomes available, video resumes at the previous
w448p
resolution.
For more information see the
Polycom® RealPresence Collaboration Server 800s/Virtual Edition
Administrator’s Guide,
"
H.239 Protocol”
on page
4-2
"
H.239 Protocol”
on page
4-2
.
Packet Loss Compensation
If there is
Packet Loss
in the network and
Dynamic Bandwidth Allocation
(
DBA
) is activated, allocating
bandwidth for
Lost Packet Recovery,
video resolution decreases from
w448p
to
w288p
.
When
Packet Loss
ceases
and
DBA
no longer needs to allocate
bandwidth for
Lost Packet Recovery
, the
full bandwidth becomes available and video resumes at the previous
w448p
resolution
.
For more information see the
Polycom® RealPresence Collaboration Server 800s/Virtual Edition
Administrator’s Guide,
Packet Loss Compensation (LPR and DBA) AVC CP Conferences
.
Enabling Support of the w448p Resolution
w448p
resolution support for
Tandberg
endpoints requires setting of the following entities:
●
Tandberg
endpoint
●
Collaboration Server flags
●
Collaboration Server Conference Profile
H.323
SIP
ISDN
Sharpness
*
Sharpness
384
4CIF
15
768x448
25
512
4CIF
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
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