Polycom CX5500 Administrator's Guide

Polycom CX5500 Unified Conference Station Administrator’s Guide 1.1.0
Polycom, Inc. 278
that can redirect traffic, but does not allow for port mapping. For example, port 5432 on the NAT device
can be sent to port 5432 on an internal device, but not to port 1234.
Network Access Translation Parameters
Parameter
Permitted Values
Default
nat.ip
1
dotted- decimal IP address
Null
IP address to advertise within SIP signaling - should match the external IP address used by the NAT device.
nat.keepalive.interval
0 to 3600
0
The keep-alive interval in seconds. Sets the interval at which phones will send a keep-alive packet to the
gateway/NAT device to keep the communication port open so that NAT can continue to function. If Null or 0, the
phone will not send out keep-alive messages.
nat.mediaPortStart
1
0 to 65440
0
The initially allocated RTP port. Overrides the value set for tcIpApp.port.rtp.mediaPortRangeStart.
nat.signalPort
1
1024 to 65535
0
The port used for SIP signaling. Overrides voIpProt.local.port.
1
Change causes phone to restart or reboot.
<phoneLock/>
The parameters listed in the table Phone Lock Parameters Enhanced Feature Key feature must be
enabled if you want to use the Lock soft key.
Phone Lock Parameters
Parameter
Permitted Values
Default
phoneLock.authorized.x.description
The name or description of an authorized number
phoneLock.authorized.x.value
The number or address for an authorized contact
String
string
Up to five (x=1 to 5) authorized contacts that a user can call while their phone is locked. Each contact needs a
description to display on the screen, and a phone number or address value for the phone to dial.
phoneLock.browserEnabled
0 or 1
0
If 0, the microbrowser or browser is not displayed while the phone is locked. If 1, the microbrowser or browser is
displayed while the phone is locked.
phoneLock.dndWhenLocked
0 or 1
0
If 0, the phone can receive calls while it is locked. If 1, the phone enters Do-Not-Disturb mode while it is locked.
Note: The user can change this setting from the phone user interface.

Polycom CX5500 Specifications

General

Brand	Polycom
Model	CX5500
Category	Conference System
Language	English