Polycom CX5500 Administrator's Guide

Polycom CX5500 Unified Conference Station Administrator’s Guide 1.1.0
Polycom, Inc. 312
● <port/><rtp/>
● <keepalive/>
● <fileTransfer/>
<dhcp/>
The DHCP parameters listed in the table DHCP Parameters enable you to change how the phone reacts
to DHCP changes.
DHCP Parameters
Parameter
Permitted Values
Default
tcpIpApp.dhcp.releaseOnLinkRecovery
0 or 1
1
If 0, no DHCP release occurs. If 1, a DHCP release is performed after the loss and recovery of the network.
<dns/>
The <dns/> parameters listed in the table Domain Name System (DNS) Parameters enables you to set
Domain Name System (DNS). However, any values set through DHCP will have a higher priority and any
values set through the <device/> parameter in a configuration file will have a lower priority.
Domain Name System (DNS) Parameters
Parameter
Permitted Values
Default
tcpIpApp.dns.server
1
Dotted-decimal IP
address
Null
The primary server to which the phone directs DNS queries.
tcpIpApp.dns.altServer
1
Dotted-decimal IP
address
Null
The secondary server to which the phone directs DNS queries.
tcpIpApp.dns.domain
1
String
Null
The phone’s DNS domain.
1
Change causes phone to restart or reboot.

Polycom CX5500 Specifications

General

Brand	Polycom
Model	CX5500
Category	Conference System
Language	English