Indicator light (LED) and headset port
Softkey buttons, navigation cluster, and call control
Left side buttons
, Use with XML applications, such
as Push to Talk
LED Indicator States
x Solid red—the phone is connected to the AC power
source and battery is charging.
x Solid green—the phone is connected to the AC
power source and battery is fully charged.
x Fast blinking amber—There is an incoming call.
Phone can be charging or fully charged.
x 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
x 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
Information Required from your Network
x Lead digit to dial an outside line ________
x Lead digit for Intercom Calls ________
x Lead digit for transferring a call to voicemail of
another extension ________
Copyright © 2018 Cisco Systems, Inc. All rights reserved.
Cisco Business Edition 4000 End User Guide
for Cisco Wireless IP Phone 8821
Tasks on Phone and Selfcare Portal
x For information on tasks performed on the phone, see
"Tasks on Phone
Device" on page 2
x For information on tasks performed on the Selfcare
"Tasks on Selfcare
Softkeys available in various states
Portal" on page 5
Answer incoming call.
Join a conference call.
Transfer the call to
Put your phone on do
not disturb mode.
End an existing call.
Set up or cancel call
Put a call on hold.
Log out or log in to
Enable or disable
pushing calls to Single
Number Reach (SNR)
Make a new call.
Answer a call that is
ringing on another
phone in your group.
Redial the most
recently dialed number.
Resume a held call.
information of the call.
Transfer the current
call to another phone.