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Cisco 8821 User Manual

Cisco 8821
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Answer a Call
Procedure
Press Answer or Answer/Send .
Answer Call Waiting
When you have an incoming call while you are on an active call, you hear a single beep. You can answer the
new call and automatically hold the active call.
Procedure
Step 1
Press Answer or Answer/Send .
Step 2
(Optional) If you have more than one call waiting, select an incoming call.
Decline a Call
When you get an incoming call that you don't want to answer, you can decline the call, which sends the call
to voicemail.
Procedure
Press Decline or Power/End Call .
Ignore a Call
When you get an incoming call that you don't want to answer, you can ignore the call. The call shows up in
your call list.
Procedure
Press the Up or Down arrow on the Navigation cluster.
Silence Incoming Calls on Your Phone
If you're busy and don't want to be disturbed, you can silence incoming calls. If you do this, the phone won't
ring, but you will see a visual alert. So, you can still choose to answer the call. If you don't answer the call,
the call goes to your voicemail instead.
Cisco Wireless IP Phone 8821 and 8821-EX User Guide
37
Calls
Answer a Call

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Cisco 8821 Specifications

General IconGeneral
Wi-FiYes
Ethernet LANNo
Wi-Fi standards802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version3.0+HS
Security algorithmsEAP-FAST, EAP-TLS, PEAP, WPA
Networking standardsIEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11d, IEEE 802.11e, IEEE 802.11g, IEEE 802.11n, IEEE 802.11r
USB 2.0 ports quantity1
Voice codecsG.711, G.711a, G.722, G.729, G.729ab, iLBC
Volume controlDigital
Product typeIP mobile phone
Product colorBlack
Input frequency50 - 60 Hz
AC adapter input voltage100 - 240 V
AC adapter output current0.2 A
Display diagonal2.4 \
Display resolution240 x 320 pixels
Frequency band2.412, 2.472, 5.180, 5.240, 5.260, 5.320, 5.500, 5.700, 5.745, 5.825 GHz
Lines quantity- lines
Phonebook capacity- entries
Storage temperature (T-T)-30 - 60 °C
Operating temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
SafetyUL 60950-1, CAN/CSA 60950-1, EN 60950-1, IEC 60950-1, AS/NZS 60950.1, IEC 60529 (IP 67)
Certification● 47 CFR 15 B ● ICES-003 B ● EN 55022 B ● AS/NZS CISPR 22 B ● CISPR 22 B ● VCCI B ● EN 61000-3-2 ● EN 61000-3-3 ● KN 22 B ● EN 55024 ● EN 50082-1 ● EN 61000-6-1 ● EN61000-6-3 ● EN 300386 ● EN 60601-1-2 ● KN
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Depth17 mm
Width56 mm
Height132 mm
Weight126 g

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