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Cisco 8821 User Manual

Cisco 8821
116 pages
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Procedure
Step 1
Press End call.
Step 2
Press Answer.
Multiple Lines
If you share phone numbers with other people, you could have multiple lines on your phone. When you have
multiple lines, you have more calling features available to you.
Shared Lines
You can share the same phone number with one or more of your coworkers. For example, as an administrative
assistant, you might be responsible for screening calls for the person that you support.
When you share a phone number, you can use that phone line just like you would any other line, but you
should be aware of a few special characteristics about shared lines:
The shared phone number appears on all phones that share the number.
If your coworker answers a call on the shared line, the shared line icon displays in red on your phone.
If you put a call on hold, your shared line icon is white. But your coworker sees the line in red.
Add Yourself to a Call on a Shared Line (cBarge)
You or your coworker can join a call on a shared line without creating a conference call.
Procedure
Step 1
Select a shared line that is in use.
Step 2
Press More and select cBarge.
Step 3
Press Yes.
Cisco Wireless IP Phone 8821 and 8821-EX User Guide
50
Calls
Multiple Lines

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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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