System Flags
Polycom, Inc. 199
LPR_CONTENT_RATE_ADJUST_
WEAK_LPR
When Polycom Lost Packet Recovery (LPR) is
initiated by an endpoint in an AVC-CP conference
due to experienced packet loss, the MCU reduces
video rate (minimum is 64K) to avoid exceeding
bandwidth.
At times, further reduction is required to preserve the
bandwidth, which is regulated by this system flag.
When set to YES, enables H.323 endpoints to
reduce their content rate or Polycom Lost Packet
Recovery (LPR) strength as follows:
• For single MCU conferences:
VSW content - Drop content rate upon packet
loss condition.
Transcoding - Drop content rate upon packet
loss condition for the protocol used by the
endpoint experiencing the packet loss.
• For cascaded conferences:
VSW content - Decrease Polycom Lost
Packet Recovery (LPR) strength (from 5% to
2%).
Transcoding:
If packet loss occurs at one of the local
endpoints, drop content rate upon packet
loss condition for the protocol used by the
endpoint experiencing the packet loss.
If packet loss occurs at the cascaded link,
Decrease Polycom Lost Packet Recovery
(LPR) strength (from 5% to 2%).
When set to NO, the content rate is not reduced, and
MCU packet loss protection is guaranteed for 5%.
Default value: NO
Possible values: YES/NO
Notes:
• No system restart is required for this flag new
value to take effect.
• This flag should not be set to YES in systems
using TIP conferencing.
HW/VE Yes
General System Flags
Flag Name Description Platform Add?
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