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Chapter 23 - Ultra Secure Mode
Polycom, Inc. 23-19
Keep Alive Frequency
The Keep Alive frequency is set by the SIP Server using the Via Header keep and Flow Timer
fields of the SIP Header.
If the RMX is functioning as the server, the Keep Alive frequency is set according to the hard
coded values listed in Table 2-2.
User and Connection Management
Chairperson and Auditor user Authorization Levels are not supported in Ultra Secure
Mode.
In Ultra Secure Mode (ULTRA_SECURE_MODE=YES), Users can be automatically disabled
or locked out by the system when they do not log into the Collaboration Server application
for a predefined period or if their login session does not meet Enhanced Security
requirements. Users can be manually disabled by the administrator.
An administrator can enable a User who was disabled automatically by the system (in the
Ultra Secure Mode) or manually by the administrator.
Additional security measures can be implemented in the RMX™ by setting the appropriate
system flags. These measures control the system users, the user connections to the MCU and
the user login process.
SIP_TCP_KEEP_ALIVE_BEHA
VIOR
If the value of the System Flag, SIP_TCP_KEEPALIVE_TYPE
= RFC5626 or RFC6223 and no Pong is received, the value of
this System Flag is checked.
Possible Values:
• RE_REGISTRATION_WHEN_NO_PONG_RESPONSE
• DO_NOT_RE_REGISTRATION_WHEN_NO_PONG_RESPO
NSE (Default)
For a full description see the description for the SIP_TCP
_KEEPALIVE_TYPE flag (above).
Table 23-4 Keep Alive - Frequency
Field Seconds
SIP_TCP_KEEPALIVE_DISABLE None
SIP_TCP_KEEPALIVE_MS 300
SIP_TCP_KEEPALIVE_5626
60SIP_TCP_KEEPALIVE_6223
SIP_TCP_KEEPALIVE_PLCM
Table 23-3 System Flags - SIP_TCP_KEEPALIVE_TYPE / BEHAVIOR (Continued)
Flag Possible Flag Values