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Chapter 16-Network Services
Polycom, Inc. 16-37
Three Network Traffic Control Flags are added:
• ENABLE_TC_PACKAGE
When the flag is set to NO (default), Network Traffic Control is disabled on the RMX.
Set the flag to YES to enable Network Traffic Control.
• TC_BURST_SIZE
This flag regulates the Traffic Control buffer or maxburst size as a percentage of the
participant line rate. In general, higher traffic rates require a larger buffer. For example,
if the flag is set to 10 and the participants line rate is 2MB, then the burst size is
200Kbps.
Default = 10
Flag 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.
Default = 500
Flag range: 1-1000 (in milliseconds).
SIP Proxy Failover With Polycom® Distributed Media
Application™ (DMA™) 7000
RMX systems that are part of a DMA environment can benefit from DMA’s SIP Proxy
Failover functionality.
SIP Proxy Failover is supported in DMA’s Local Clustering mode with redundancy achieved
by configuring two DMA servers to share a single virtual IP address.
The virtual IP address is used by the RMX as the IP address of its SIP Proxy.
No additional configuration is needed on the RMX.
Should a SIP Proxy failure occur in one of the DMA servers:
• The other DMA server takes over as SIP Proxy.
• Ongoing calls may be disconnected.
• Previously ongoing calls will have to be re-connected using the original IP address,
registration and connection parameters.
• New calls will connect using the original IP address, registration and connection
parameters.