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Cisco 8821 User Manual

Cisco 8821
116 pages
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Procedure
Step 1
Access the Settings app.
Step 2
Select Phone settings > Keypad > Auto lock
Step 3
Press On.
Related Topics
Lock the Phone Keypad, on page 5
Date and Time Settings
You can manage some of the date and time settings on your phone. Typically, the phone automatically sets
the date, time, and time zone using the information from the call control system. But, you may need to override
the automatic settings.
Control the Date and Time Manually
When the phone date and time is controlled manually, you can change the following settings:
Automatic time zone
Time
Date
Time zone
12- or 24-hour date format
Date format
Procedure
Step 1
Access the Settings app.
Step 2
Select Phone settings > Date and Time
Step 3
Select Automatic date and time.
Step 4
Press Off.
Control the Date and Time Automatically
When the phone date and time is controlled automatically, you can change the following settings:
Automatic time zone
Cisco Wireless IP Phone 8821 and 8821-EX User Guide
70
Settings
Access Phone Settings

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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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