Cisco 8821 Administration Guide

AP Interactions 20
Access Point Association 21
QoS in a Wireless Network 21
Set up Flexible DSCP 23
802.11 Standards for WLAN Communications 23
World Mode (802.11d) 24
Radio Frequency Ranges 25
Security for Communications in WLANs 25
Authentication Methods 25
Authenticated Key Management 26
Encryption Methods 26
AP Authentication and Encryption Options 27
Certificates 28
WLANs and Roaming 28
Cisco Unified Communications Manager Interaction 29
Voice Messaging System Interaction 29
CHAPTER 3 Phone Setup 31
Phone Hardware Installation 31
Install the Phone Battery 31
Phone Battery Charging 33
Spare Battery Charging 34
Prepare the Power Adapter 34
Charge the Battery with the AC Power Supply 35
Charge the Battery with the USB Cable and a USB Port on Your Computer 36
Phone Configuration Tasks 37
CHAPTER 4 Cisco Unified Communications Manager Phone Configuration 39
Determine the MAC Address of the Phone 39
Before You Register Wireless Phones 40
Set Up a Wi-Fi Profile 40
Set Up a Wi-Fi Group 42
Phone Button Templates 42
Phone Softkey Templates 43
Manual Phone Registration 43
Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide for Cisco Unified Communications Manager
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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