Polycom RealPresence 4000 Administrator's Manual page 157

A System Flag determines the minimum line rate for each Content Setting:
•
•
•
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 21-1.
Table 4-5
Content Settings
Graphics
Hi Resolution
Graphics
Live Video
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 4-6
Participant 1
Participant 2
Polycom, Inc.
Graphics
Hi Resolution Graphics
Live Video
H.264 HD System Flags
Flag Name
H264_HD_GRAPHICS_MIN_CONTENT_RATE
H264_HD_HIGHRES_MIN_CONTENT_RATE
H264_HD_LIVEVIDEO_MIN_CONTENT_RATE
Participant Content Sharing Based on Connection Line Rate and System Flag Setting
Participant
Line Rate
384
1024
Conference
Bit Rate Line Rate
Allocation
to
Content
Channel
(Table 4-4)
192
1024
384
Chapter 4-Additional Conferencing Information
Range
0-1536
0-1536
0-1536
Bit Rate
Flag
Allocation
Result
Value
to
Content
Channel
(Table 4-4)
Participant and
entire conference
128
share content at
192Kbps
Participant
receives content
512 in the video
channel (Legacy)
384
Participant and
entire conference
128
share content at
384Kbps
Participant and
entire conference
512
share content at
384Kbps
Default
128
256
384
4-11