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Polycom RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator’s Guide
4-10 Polycom, Inc.
A System Flag determines the minimum line rate for each Content Setting:
• Graphics
• Hi Resolution Graphics
• Live Video
In order to change the System Flag values, the flags must be manually added to the System
Configuration. For more information see "Modifying System Flags” on page 22-1.
Example
Table 4-6 summarizes an example of two participants trying to connect to a conference
running at a Line Rate of 1024Kbps. The Content Setting for the conference is Hi Resolution
Graphics and the H264_HD_HIGHRES_MIN_CONTENT_RATE System Flag setting are
used to determine if Content will be shared with the participant.
Table 4-5 H.264 HD System Flags
Content Settings Flag Name Range Default
Graphics H264_HD_GRAPHICS_MIN_CONTENT_RATE 0-1536 128
Hi Resolution
Graphics
H264_HD_HIGHRES_MIN_CONTENT_RATE
0-1536 256
Live Video H264_HD_LIVEVIDEO_MIN_CONTENT_RATE 0-1536 384
Table 4-6 Participant Content Sharing Based on cOnnection Line Rate and System Flag Setting
Participant Conference
Flag
Value
Result
Line Rate Bit Rate
Allocation
to
Content
Channel
(Table 4-3)
Line Rate Bit Rate
Allocation
to
Content
Channel
(Table 4-3)
Participant 1
384 192
1024 384
128
Participant and
entire conference
share content at
192Kbps
512
Participant
receives content
in the video
channel (Legacy)
Participant 2
1024 384
128
Participant and
entire conference
share content at
384Kbps
512
Participant and
entire conference
share content at
384Kbps