User's Manual
Chapter 22-System Configuration Flags
Polycom, Inc. 22-41
SITE_NAMES_ALWAYS_ON 
(MPM+ Only)
In MPM + Mode this flag is used to enable or disable the 
permanent display of Site Name in the video layout.
Set the value of this flag to YES to enable the permanent 
display of Site Names.
Default: NO.
In MPMx Mode this function is controlled using the Profile -
Site Names dialog box.
Note: From Version 8.1, MPM+ Media card is not supported.
SOCKET_ACTIVITY_TIMEO
UT
For use in Microsoft environments.
When the MS_KEEP_ALIVE System Flag is set to YES, the 
value of this flag is used as the MS Keep-Alive Timer value.
SUPPORT_HIGH _PROFILE Enables or disables the support of High Profile video protocol 
in CP conferences. This flag is specific to CP conferences 
and has no effect on VSW conferences.
Range: YES / NO
Default: YES
SUPPORT_HIGH 
_PROFILE_WITH_ISDN
Enables or disables the support of High Profile video protocol 
for ISDN participants in CP conferences. This flag is specific 
to CP conferences and has no effect on VSW conferences.
Range: YES / NO
Default: NO
TC_BURST_SIZE This flag regulates the Traffic Control buffer or maxburst size 
as a percentage of the participant line rate.
Range: 1-30.
TC_LATENCY_SIZE This flag limits the latency (in milliseconds) or the number of 
bytes that can be present in a queue.
Range: 1-1000 (in milliseconds).
TCP_RETRANSMISSION_TI
MEOUT
The number of seconds the server will wait for a TCP client to 
answer a call before closing the connection. 
Default = 5 (seconds)
V35_MULTIPLE_SERVICES If the connection of multiple Serial Gateways to RTM-LAN 
cards is required:
The V35_MULTIPLE_SERVICES System Flag must be set to 
YES.
The default value of the V35_MULTIPLE_SERVICES System 
Flag is NO, enabling only one Serial Gateway to be supported 
per RTM-LAN card.
V35_ULTRA_SECURED_SU
PPORT
This flag must be set to YES when deploying a Serial 
Gateway S4GW in Ultra Secure Mode..
VSW_CIF_HP_THRESHOLD
_BITRATE
Controls the Minimum Threshold Line Rate (kbps) for CIF 
resolution for High Profile-enabled VSW conferences.
Default: 64
Table 22-2  Manually Added System Flags – MCMS_PARAMETERS (Continued)
Flag  Description










