System Flags
Polycom, Inc. 203
MS_KEEP_ALIVE_ENABLE Enables the Microsoft Keep Alive flag.
When set to YES, this flag ensures that endpoints
such as HDX remain connected to the conference
for its duration when the RealPresence
Collaboration Server is configured with FQDN
address and Lync server is working with load
balancing holding more than one address.
Default value: NO
Possible values: YES/NO
Note: The functionality of this flag has been replaced
with the following system flags:
• SIP_TCP_KEEP_ALIVE_TYPE
• SIP_TCP_KEEP_ALIVE_BEHAVIOR
VE Yes
MS_PROXY_REPLACE Enables the proxy=replace parameter in the SIP
Header. When set to YES, the outbound proxy
replaces the contact information in the contact
header on its own. This enables other clients and
servers to reach the client using the proxy's IP
address, even if the client is behind a firewall.
Default value: YES
Possible Values: YES/NO
HW/VE Yes
MSFT_AVMCU_MUTE_AUDIENCE
_TRIGGERS_MUTE_ALL_BUT_ME
_IN_RMX_CONFERENCE
In an AVMCU call, the originator of the conference
can selectively to mute all participants or only mute
the Skype for Business participants.
Default value: YES
Possible Values: YES/NO
HW/VE Yes
MTU_SIZE Determines the maximum packet size created by the
encoder.
Default value: 1120
Range: 400 - 1440
HW/VE Yes
NUM_OF_INITIATE_HELLO_MESS
AGE_IN_CALL_ESTABLISHMENT
Indicates the number of times a Hello message is
sent from the RealPresence Collaboration Server to
an endpoint in an environment that includes a
session border controller (SBC) with a 3-second
interval between messages.
Default value: 3
Range: 1 -10
HW/VE Yes
NUMBER_OF_REDIAL Enter the number redialing attempts required.
Dialing might continue until the conference is
terminated.
Default value: 3
HW/VE Yes
General System Flags
Flag Name Description Platform Add?