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