Cisco 8821 User Manual page 18

Buttons and Hardware
Item Name or Grouping
1 Indicator light (LED)
Headset port
2 Speaker button
Cisco Wireless IP Phone 8821 and 8821EX User Guide
8
Description
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 red—There is an incoming call. Phone can be charging
or fully charged.
• Slow blinking red—There 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.
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.
Your Phone