Modifying Proxy Parameters; Configuration Of Nat-Traversal - Nortel 5100 User Manual

Modifying Proxy parameters

After you have enabled either the LAN or WiFi connection profile and have
configured the settings to allow successful connection of the IP Phone 1535
to your local network, you can configure the IP Phone 1535 to find and use
your installed proxy server in its operations with your installed MCS 5100.
For successful registration of the IP Phone 1535, you must access and
modify the parameters of the Proxy configuration option as described below:
Step
1
2
Configuration of NAT-Traversal
This section provides a description of NAT-Traversal on the IP Phone 1535,
and its subsequent configuration.
The IP Phone 1535 supports two methods of NAT-Traversal:
•
•
Copyright © 2007, Nortel Networks
.
Action
From the Main Menu, select Settings > VoIP Settings > Proxy,
and press OK.
Select the parameters to modify by choosing the appropriate
configuration options and pressing OK. Enter the values as required.
The available configuration options are as follows:
a. Proxy Address: Configure the Proxy server address information.
b. Proxy Port: Configure the IP Phone 1535 to use a specific port
to connect to the network proxy server. By default, the proxy
port value is 5060.
c. NAT/Timer (OPTIONAL): Modify the timing value used to
maintain network connectivity through a firewall. The timing
options available are 30 seconds, 45 seconds, 1 minute, 1.5
minutes, 2 minutes, 2.5 minutes, 3 minutes, and 5 minutes. By
default, this value is 2.5 minutes.
NAT-Traversal: The IP Phone 1535 supports two methods of NAT
Traversal - the SIP-PING method and the • STUN method. For more
information on configuring NAT-Traversal, see
NAT-Traversal" (page
SIP-PING: requires a Boarder Control Point (BCP) server for the MCS
5100 Release 4.0 and a RTP Media Portal server for MCS 5100 Release
3.5 if it is located behind a NAT/firewall.
STUN: The STUN protocol lets a client discover the presence and type
of NATs between the client and the public Internet - a STUN server can
Nortel Multimedia Communications Server 5100
Nortel IP Phone 1535 Installation and Commissioning
NN43160-300 00.13 Preliminary
Release 4.0 22 August 2007
Configuration of NAT-Traversal 31
31).
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"Configuration of