IP Phone 8821, but the Cisco Wireless IP Phone 8821-EX is similar in appearance. The table describes the
functions of the keys on the phones.
Figure 2: Cisco Wireless IP Phone 8821 Buttons and Hardware
DescriptionName or GroupingItem
Indicator light—Use the light to identify states:
• Solid red—the phone is connected to the AC power source and battery
is charging.
• Solid green—the phone is connected to the AC power source and
battery is fully charged.
• Fast blinking amber—There is an incoming call. Phone can be charging
or fully charged.
• Fast blinking green—There is a voice message. When phone is
connected to the AC power source, the green 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.
Cisco Wireless IP Phone 8821 and 8821-EX User Guide
9
Your Phone
Buttons and Hardware