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Cisco 8821 User Manual

Cisco 8821
116 pages
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Answer a Call From Another Group (Group Pickup) 38
Answer a Call from an Associated Group (Other Pickup) 39
Trace a Suspicious Call 39
Control the Phone Ringer for a Single Incoming Call 39
End a Call 40
Mute Your Audio 41
Hold Calls 41
Put a Call on Hold 41
Answer a Call Left on Hold for Too Long 42
Swap Between Active and Held Calls 42
Call Park 42
Place a Call on Hold with Call Park 42
Retrieve a Call on Hold with Call Park 43
Forward Calls From Your Phone 43
Turn Off Call Forward From Your Phone 44
Transfer a Call to Another Person 44
Conference Calls and Meetings 44
Add Another Person to a Call 44
View and Remove Conference Participants 45
Scheduled Conference Calls (Meet Me) 45
Host a Meet Me Conference 45
Join a Meet Me Conference 46
Intercom Calls 46
Make an Intercom Call 46
Answer an Intercom Call 47
Supervise and Record Calls 47
Set up a Supervised Call 47
Record a Call 48
Prioritized Calls 48
Make a Priority Call 49
Answer a Priority Call 49
Answer a Priority Call While on Another Call 49
Multiple Lines 50
Shared Lines 50
Add Yourself to a Call on a Shared Line (cBarge) 50
Cisco Wireless IP Phone 8821 and 8821-EX User Guide
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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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