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Polycom, Inc. 519
● 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
Collaboration Server systems that are part of a RealPresence DMA system environment can benefit from
the RealPresence DMA system’s SIP Proxy Failover functionality.
SIP Proxy Failover is supported in the RealPresence DMA system’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 Collaboration Server as the IP address of its SIP Proxy.
No additional configuration is needed on the Collaboration Server.
Should a SIP Proxy failure occur in one of the RealPresence DMA system servers:
● The other RealPresence DMA system 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.
RealPresence Collaboration Server (RMX) Network
Port Usage
The following table summarizes the port numbers and their usage in the <Product Name>:
Server Network Port Usage Summary
Connection
Type
Port
Number Protocol Description Configurable
HTTP 80 TCP Management between the
Collaboration Server and
Collaboration Server Web Client.
No
HTTPS 443 TCP Secured Management between the
Collaboration Server and
Collaboration Server Web Client.
No
DNS 53 UDP Domain name server. Can be disabled in the IP
Network Service.
DHCP 68 UDP Dynamic Host Configuration
Protocol.
Can be disabled in the IP
Network Service.