Downloading Firmware - Linksys SPA921 - Cisco - IP Phone Installation And Configuration Manual

Preparation

Downloading Firmware

Downloading Firmware
SPA9000 Voice System Installation and Configuration Guide for Setup Wizard
service taking one line interface on the SPA9000, up to three SPA400 units can
be installed. With no ITSP service, up to four SPA400 units can be installed.
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SPA9xx series IP phones
The SPA9x1 series phones require access to power outlets. The SPA9x2
series phones can receive power from a Power over Ethernet (PoE) switch and
are not supplied with power supplies. If you are not using the recommended
PoE switch, you need to purchase a suitable power supply or power injector
for the SPA9x2 phones.
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Switch (example: SLM224P)
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Router (example: WRV200)
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Optional POES5 Power over Ethernet adapters, for providing POE-derived
power to non-POE devices such as SPA9000, SPA400 and SPA9x1, in case
UPS is available.
•
Optional WBP54G Wireless-G adapter, for providing Wireless client
functionality to IP Phones, if required to connect a phone to the LAN using
Wireless technology.
Cisco recommends that you check for recent updates before you install your
equipment. Later instructions in this guide will help you to install the firmware that
you download in this preparation phase. To find the latest firmware for a device, go
to tools.cisco.com/support/downloads
Software Search box. Repeat for each device in your configuration.
and enter the model number in the
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