Configuring Advanced Features
179
has allocated for the UDP connections to remote parties. The protocol requires
assistance from a third-party network server (STUN server) usually located on public
Internet. The IP phone can be configured to act as a STUN client, sending exploratory
STUN messages to the STUN server. The STUN server uses those messages to determine
the public IP address and port used, and then informs the client.
The NAT traversal and STUN server are configurable on a per-line basis.
Procedure
NAT traversal and STUN server can be configured using the configuration files or locally.
Configuration File
<MAC>.cfg
Configure NAT traversal and
STUN server on the IP phone.
For more information, refer to
Network Address Translation
on
page
349
.
Local
Web User Interface
Configure the NAT traversal
and STUN server on the IP
phone.
Navigate to:
http://<phoneIPAddress>/servl
et?p=account-register&q=load
&acc=0
To configure the NAT traversal and STUN server via web user interface:
1.
Click on Account.
2.
Select the desired account from the pull-down list of Account.
3.
Select STUN from the pull-down list of NAT.
4.
Enter the IP address or the domain name in the STUN Server field.
Summary of Contents for SIP-T4X
Page 1: ...T 4 XI PP h o n e A d mi n i s t r a t o r G u i d e...
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Page 15: ...Administrator s Guide for SIP T4X IP Phones xiv...
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