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Cisco 8821 User Manual

Cisco 8821
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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 On.
Set the Time Zone Automatically
You can set up your phone to automatically or manually set the time zone. When the Automatic time zone
field is set to On, you cannot change the time zone that your phone uses. When the Automatic time zone field
is set to Off, you can set the time zone that your phone uses.
Procedure
Step 1
Access the Settings app.
Step 2
Select Phone settings > Date and Time > Automatic time zone
Step 3
Press Off to enable you to set the time zone manually.
Step 4
Press Set.
Set the Time
If your phone date and time is manually controlled, you can set the time.
Procedure
Step 1
Access the Settings app.
Step 2
Select Phone settings > Date and Time > Time
Step 3
Enter the time using the keypad. Use the right and left navigation keys to move between the fields.
Step 4
Press Set.
Set the Date
If your phone date and time is manually controlled, you can set the date.
Cisco Wireless IP Phone 8821 and 8821-EX User Guide
71
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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