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Chapter 22-System Configuration Flags
Polycom, Inc. 22-33
MIX_LINK_ENVIRONMENT In H.239-enabled MIH Cascading, when MGC is on level 1,
setting this flag to YES will adjust the line rate of HD Video
Switching conferences run on the RealPresence
Collaboration Server (RMX) 1500/2000/4000 from 1920Kbps
to 17897, 100bits/sec to match the actual rate of the HD Video
Switching conference running on the MGC.
Note: If the flag MIX_LINK_ENVIRONMENT is set to YES,
the IP_ENVIRONMENT_LINK flag must be set to NO.
MS_CAC_AUDIO_MIN_BR The minimum bit rate for audio using the Microsoft CAC (Call
Admission Control) protocol. When the bit rate is lower than
the MS_CAC_AUDIO_MIN_BR, the call is not connected.
Range: 0 - 384
Default: 30
MS_CAC_VTDEO_MIN_BR The minimum bit rate for video using the Microsoft CAC (Call
Admission Control) protocol. When the bit rate is lower than
the MS_CAC_VIDEO_MIN_BR, the call is not connected as a
video call..
Range: 0 - 384
Default: 40
MS_KEEP_ALIVE_ENABLE Enables the Microsoft keep alive flag.
Set it YES to ensure that endpoints such as HDX remain
connected to the conference for its duration when the
Collaboration Server is configured with FQDN address and
the Lync server is working with load balancing and holds more
than one address.
Range: YES/NO
Default: NO
MS_PROXY_REPLACE Enables the proxy=replace parameter in the SIP Header.
When set to YES the outbound proxy to replaces the contact
information in the contact header with its own enabling other
clients and servers to reach the client using the proxy's IP
address, even if the client is behind a firewall.
Possible Values: YES / NO
Default: YES
NETWORK_IND_CRITICAL_
PERCENTAGE
The percentage degradation due to packet loss required to
change the indicator from Major to Critical.
Default: 5
NETWORK_IND_MAJOR_P
ERCENTAGE
The percentage degradation due to packet loss required to
change the indicator from Normal to Major.
Default: 1
NUM_OF_INITIATE_HELLO
_MESSAGE_IN_CALL_EST
ABLISHMENT
Indicates how many times the Hello (keep alive) message is
sent from the Collaboration Server to the endpoint in an
environment that includes a Session Border Controller (SBC)
with a 3-second interval between messages.
Range: 1 to 10.
Default:3
Table 22-2 Manually Added System Flags – MCMS_PARAMETERS (Continued)
Flag Description