Cisco 8821 User Manual

Disconnect a Bluetooth Headset 75
Delete a Bluetooth Headset 75
Access Admin Settings 75
Adjust the Volume During a Call 76
Adjust the Phone Ringer Volume 76
CHAPTER 8 Accessories 77
Supported Accessories 77
Headsets 78
Standard Headsets 78
Bluetooth Headsets 78
Headset Tips 79
Cisco Wireless IP Phone 8821 and 8821-EX Desktop Charger 79
Set Up the Desktop Charger 80
Charge Your Phone with the Desktop Charger 80
Charge Your Spare Battery with the Desktop Charger 82
Cisco Wireless IP Phone 8821 and 8821-EX Multi Charger 82
Set Up the Multicharger 83
Install the Multicharger Wall Mount Kit 83
Charge Your Phone with the Multicharger 85
Charge Your Spare Battery with the Multicharger 86
Secure the Charger with a Cable Lock 86
CHAPTER 9 Troubleshooting 89
General Troubleshooting 89
Find Information About Your Phone 91
Hardware Diagnostics 91
Perform WLAN Diagnostics 91
WLAN Diagnostics Fields 92
CHAPTER 10 Product Safety and Security 95
Safety and Performance Information 95
Safety Guidelines 96
Battery Safety Notices 96
Hazardous Environments 98
Cisco Wireless IP Phone 8821 and 8821-EX User Guide
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Contents

Cisco 8821 Specifications

General

Wi-Fi	Yes
Ethernet LAN	No
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	3.0+HS
Security algorithms	EAP-FAST, EAP-TLS, PEAP, WPA
Networking standards	IEEE 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 quantity	1
Voice codecs	G.711, G.711a, G.722, G.729, G.729ab, iLBC
Volume control	Digital
Product type	IP mobile phone
Product color	Black
Input frequency	50 - 60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	0.2 A
Display diagonal	2.4 \
Display resolution	240 x 320 pixels
Frequency band	2.412, 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 %
Safety	UL 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 included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	17 mm
Width	56 mm
Height	132 mm
Weight	126 g