Polycom RealPresence 1500 Administrator's Manual page 813

Manually Added, Modified, Deleted System Flags
Flag
MS_CAC_VTDEO_MIN_BR
MS_KEEP_ALIVE_ENABLE
MS_PROXY_REPLACE
NETWORK_IND_CRITICAL_
PERCENTAGE
NETWORK_IND_MAJOR_
PERCENTAGE
NUM_OF_INITIATE_HELLO_
MESSAGE_IN_CALL_
ESTABLISHMENT
NUM_OF_PCM_IN_MPMX
Polycom®, Inc.
Description
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
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
Note:Beginnig with version 8.1, the functionality of the
MS_KEEP_ALIVE_ENABLE System Flag has been replaced with the
following System Flags:
• SIP_TCP_KEEP_ALIVE_TYPE
• SIP_TCP_KEEP_ALIVE_BEHAVIOR
For more information see
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
The percentage degradation due to packet loss required to change the
indicator from Major to Critical.
Default: 5
The percentage degradation due to packet loss required to change the
indicator from Normal to Major.
Default: 1
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
In Collaboration Server 1500/2000/4000 systems with MPMx cards, sets
the maximum number of PCM sessions.
The default value of this flag is set according to the SVC license:
1 - If SVC is enabled in the license (the only possible value).
4 - If SVC is disabled in the license
Range: 1-4 (If SVC is disabled in the license).
System Configuration Flags
FW (Firewall) NAT Keep Alive.
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