Cisco PenTeleData 8800 Series Guide

Before you begin
Access the Phone Web Interface, on page 104
Procedure
Step 1 Select Voice > System > Security Settings.
Step 2 In the Firewall drop down list, select Enabled.
You can also configure this parameter in the configuration file (cfg.xml) by entering a string in this format:
<Firewall ua="na">Enabled</Firewall>
The allowed values are Disabled|Enabled. The default value is Enabled.
Step 3 Click Submit All Changes.
This enables the firewall with its default open UDP and TCP ports.
Step 4 Select Disabled to disable the firewall if you wish your network to return to its prior behavior.
The following table describes the default open UDP ports.
Table 9: Firewall Default Open UDP Ports
DescriptionDefault Open UDP Port
DHCP client Port 68
DHCPv6 client Port 546
DHCP/DHCPv6
Configure the Port in Voice > Ext<n> > SIP Settings > SIP Port (example:
5060), when Line Enable is set to Yes, and SIP Transport is set to UDP or
Auto.
SIP/UDP
UDP port range from RTP Port Min to RTP Port Max+1RTP/RTCP
Port 4051, when Upgrade Enable and Peer Firmware Sharing are set to
Yes.
PFS (Peer Firmware
Sharing)
Ports 53240-53245. You need this port range if the remote server uses a port
other than the standard TFTP port 69. You may turn it off if the server uses
standard port 69. See Configure Your Firewall with Additional Options, on
page 127.
TFTP clients
UDP/STUN port 7999, when Enable TR-069 is set to Yes.TR-069
The following table describes the default open TCP ports.
Table 10: Firewall Default Open TCP Ports
DescriptionDefault Open TCP Port
Port configured via Web Server Port (default 80), when Enable Web Server
is set to Yes.
Web server
Cisco IP Phone 8800 Series Multiplatform Phone Administration Guide for Release 11.3(1) and Later
126
Cisco IP Phone Configuration
Enable the Firewall

Cisco PenTeleData 8800 Series Specifications

General

Brand	Cisco
Model	PenTeleData 8800 Series
Category	IP Phone
Language	English