User manual
Polycom RMX 2000 Administrator’s Guide 
16-19
Manually Adding and Deleting System Flags
To add a flag:
1 In the System Flags dialog box, click the New Flag () button.
The New Flag dialog box is displayed.
2 In the New Flag field enter the flag name.
3 In the Value field enter the flag value.
The following flags can be manually added to the 
MCMS_PARAMETERS tab: 
Table 16-4  Manually Added System Flags – MCMS_PARAMETERS
Flag and Value Description
SIP_ENABLE_FECC
=NO
By default, FECC support for SIP endpoints is 
enabled at the MCU level. You can disable it 
by manually adding this flag and setting it to 
NO.
MIX_LINK
_ENVIRONMENT=YES
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 RMX 2000 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_LINK_ENVIRONMENT 
flag must be set to NO.










