CHAPTER 2
Phone Setup
•
Phone Hardware Installation, page 17
•
Phone Configuration, page 27
Phone Hardware Installation
Before you can use your phone, you must install and charge the battery. The battery may already be installed
in your phone, or you may have to install it yourself.
You must read the safety information in Product Safety and Security, on page 95 before you use, install, or
charge the phone.
The battery may already be charged using one of the supported charging methods. If the battery isn't charged,
you must charge the battery before you can set up the phone.
Install the Phone Battery
IP67 compliance means that the phone is sealed from dust and water. When the phone leaves the factory, it
is completely sealed.
If you need to open the battery compartment, don't open it in a dusty or wet environment.
You should make sure that the battery cover is closed to ensure that dust and water cannot enter the battery
compartment.
Dirt, oil, or other products can damage the gasket on the battery compartment cover, resulting in a poor
seal. Every time you change the battery, inspect the gasket for damage. If the gasket is damaged, you can
order a replacement cover.
Note
Cisco Wireless IP Phone 8821 and 8821-EX User Guide
17
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General
Weight and Dimensions
