Polycom CX5500 Administrator's Guide

Polycom CX5500 Unified Conference Station Administrator’s Guide 1.1.0
Polycom, Inc. 316
Parameter
Permitted Values
Default
tcpIpApp.port.rtp.mediaPortRangeStart
1
even integer 1024 to 65440
2222
The starting port for RTP packets. Ports will be allocated from a pool starting with this port up to a value of (start-
port + 47) for a voice-only phone or (start-port + 95) for a video phone.
Note: Ensure that there is no contention for port numbers. For example, do not use 5060 (default port for SIP).
1
Change causes phone to restart or reboot.
<keepalive/>
The parameters listed in the table TCP Keep-Alive Parameters enable the configuration of TCP keep-
alive on SIP TLS connections; the phone can detect a failure quickly (in minutes) and attempt to re-
register with the SIP call server (or its redundant pair).
TCP Keep-Alive Parameters
Parameter
Permitted Values
Default
tcpIpApp.keepalive.tcp.idleTransmitInterval
10 to 7200
30
The amount of time to wait (in seconds) before sending the keep-alive message to the call server.
Note: If this parameter is set to a value that is out of range, the default value is used.
tcpIpApp.keepalive.tcp.noResponseTransmitInterval
5 to 120
20
If no response is received to a keep-alive message, subsequent keep-alive messages are sent to the call server
at this interval (every x seconds).
tcpIpApp.keepalive.tcp.sip.tls.enable
0 or 1
0
If 0, disable TCP keep-alive for SIP signaling connections that use TLS transport. If 1, enable TCP keep-alive for
SIP signaling connections that use TLS transport.
1
Change causes phone to restart or reboot.
<fileTransfer/>
The parameters listed in the table File Transfer Parameters provide information on file transfers from the
phone to the Provisioning server.
File Transfer Parameters
Parameter
Permitted Values
Default
tcpIpApp.fileTransfer.waitForLinkIfDown
0 or 1
1
If 1, file transfer from the FTP server is delayed until Ethernet comes back up.
If 0, file transfer from the FTP server is not attempted.

Polycom CX5500 Specifications

General

Brand	Polycom
Model	CX5500
Category	Conference System
Language	English