User's Manual

Table Of Contents
DescriptionName or GroupingItem
Indicator lightUse the light to identify states:
Solid redthe phone is connected to the AC power source and battery
is charging.
Solid greenthe phone is connected to the AC power source and
battery is fully charged.
Fast blinking redThere is an incoming call. Phone can be charging
or fully charged.
Slow blinking redThere is a voice message. When phone is connected
to the AC power source, the red light displays longer than when using
only the battery.
Slow blinking green (every 2 seconds): The phone is using only battery
power. The phone is registered with the wireless network and is within
service coverage area.
Indicator light (LED)
Headset port
1
Headset port with cover
Remove the protective cover and plug in a headset
or ear buds.
Speaker
Toggle the speaker mode on or off for the phone.
Speaker button2
Cisco Wireless IP Phone 8821 and 8821EX User Guide
8
Your Phone
Buttons and Hardware