Step 3
Install the battery.
If you install the battery incorrectly in the battery compartment, the battery and the battery
compartment will be damaged.
Caution
The battery has metal contacts that must connect to the contacts in the battery compartment. The battery also
has an arrow at the bottom and the Cisco logo at the top.
Cisco Wireless IP Phone 8821 and 8821-EX User Guide
22
Phone Setup
Replace the Battery in Your Wireless Phone