Server Administration
48 Avaya 1603SW-I SIP Deskphones Administrator Guide
!
Important:
Important: An IP deskphone cannot function without an IP address. The failure of a DHCP
server at boot time leaves all the affected deskphones unusable. A user can
manually assign an IP address to an IP deskphone. When the DHCP server
finally returns, the deskphone never looks for a DHCP server unless the static IP
data is unassigned manually. In addition, manual entry of IP data is an
error-prone process.
Avaya recommends that:
● A minimum of two DHCP servers be available for reliability.
● A DHCP server be available when the IP deskphone reboots.
● A DHCP server be available at remote sites if WAN failures isolate IP deskphones from the
central site DHCP server(s).
A (HTTP or HTTPS) file server, which may run on the same physical computer as Avaya Aura
Communication Manager, provides the 1603SW-I SIP IP Deskphone with a 16xxupgrade.txt file
and, if appropriate, new or updated binary software. See Step 4: Deskphone and File Server
on
page 18. In addition, you can edit the settings file (46xxupgrade.txt) to customize deskphone
parameters for your specific environment. For more information, see Chapter 7: Telephone
Software and Binary Files.
DHCP Server Administration
This section concentrates on the simplest case of a single LAN segment. Information provided
here can be used for more complex LAN configurations.
!
Important:
Important: Before you start, understand your current network configuration. An improper
installation will cause network failures or reduce the reliability and performance of
your network.
Configuring DHCP for 1603SW-I SIP IP Deskphones
1603SW-I SIP IP Deskphones allow you to specify the value of some configuration parameters
using DHCP option 242. If you have 46xx phones that use option 176, you can make a copy of
an existing option 176. Then, using that copy to administer DHCP option 242, you can either:
● leave any (46xx) parameters the 1603SW-I SIP IP Deskphones do not support in Option
242 to be ignored, or
● delete unused or unsupported 1603SW-I SIP IP Deskphone parameters to shorten the
DHCP message length.
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