Firmware Download Using Unistim Ftp - Avaya Nortel Communication Server 1000 Manual

110 Features
Figure 23
iset commands

Firmware download using UNIStim FTP

Previously, IP Phones on CS 1000 systems downloaded their firmware
using Trivial File Transfer Protocol (TFTP). Firewalls often have their
well-known TFTP port (port 69) disabled to maintain security. When port
69 is blocked, IP Phones cannot obtain firmware downloads. This situation
prevents the IP Phone from registering and coming into service.
In order to eliminate the file transfer problem with the firewalls and TFTP, a
UNIStim File Transfer Protocol (UFTP) download solution is implemented.
UFTP enhances security, because it is a proprietary protocol, as opposed
to TFTP which is an open protocol. It enables end users to improve their
firewall security by closing port 69 to block TFTP in their firewall and
policy-based switches and routers.
For the UFTP IP Phone firmware download to work, it is necessary to explicitly
open port 5100 (UNIStim signaling) and port 5105 (UFTP signaling).
If a network firewall is in use, ports 5100 (UNIStim signaling) and 5105
(UFTP signaling) must be explicitly opened in the IP Phone-to-UFTP server
direction. Opening these ports enables UNIStim and UFTP firmware
download messages to travel through the firewall. Both of these ports can
be safely enabled by firewalls. See
on either side of the connection" (page
Copyright © 2003–2008, Nortel Networks
.
ATTENTION
Nortel Communication Server 1000
IP Line Fundamentals
NN43100-500 02.02 Standard
Release 5.5 4 February 2008
Table 26 "Source/destination port usage
111).