Polycom realpresence 1800 Administrator's Manual page 466

Conference Properties - Advanced Parameters
Field/Option
FW NAT Keep Alive
TIP Compatibility
MS AV MCU cascade
mode
5 Click the Video Quality tab.
The Conference Properties - Video Quality dialog box opens.
The following information is displayed:
Polycom®, Inc.
Description
When selected, sends a FW NAT Keep Alive message at specific Intervals for the
RTP, UDP and BFCP channels. The interval specifies how often a FW NAT Keep
Alive message is sent. For more information, see
Server (RMX) Network Port
TIP Compatibility is not supported in SVC conferences.
This field is part of the Microsoft Lync utility and defines the resource usage in the
cascading relationship between Polycom RealPresence Collaboration Server and
Microsoft Lync server.
For more information see
AVMCU Cascade.
Conference and Participant Monitoring
RealPresence Collaboration
Usage.
Video Resource Requirement Selection in Lync 2013
435