Cisco 8821 Guide

Cisco Wireless IP Phone 8821 and 8821-EX Wireless LAN Deployment Guide
8
Call Control
The Cisco Wireless IP Phone 8821 and 8821-EX utilize Session Initiation Protocol (SIP) for call control with the following
applications.
• Cisco Unified Communications Manager (CUCM)
Minimum = 9.1(2)
Recommended = 10.5(2), 11.0(1), 11.5(1)
• Cisco Unified Communications Manager Express (CUCME)
Minimum = 10.5
Recommended = 11.0, 11.5, and later
• Cisco Unified Survivable Remote Site Telephony (SRST)
Minimum = 10.5
Recommended = 11.0, 11.5, and later
Note: Cisco Unified Communications Manager requires a device package to be installed or service release update in order to
enable Cisco Wireless IP Phone 8821 and 8821-EX device support.
Device packages for Cisco Unified Communications Manager are available at the following location.
http://software.cisco.com/download/navigator.html?mdfid=278875240
Prior to release 11.0 of Cisco Unified Communications Manager Express, the Cisco Wireless IP Phone 8821 and 8821-EX are
to utilize the fast track method utilizing the Cisco Unified IP Phone 9971 as the reference model (use 7975 as reference model if
needing softkey template support). With release 11.0 and later of Cisco Unified Communications Manager Express, the Cisco
IP Phone 8821 and 8821-EX can utilize the Cisco IP Phone 8861 as the reference model.
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/feature/phone_feature/phone_feature_support_guide.html#_Toc4
36645184
Wireless LAN
The Cisco Wireless IP Phone 8821 and 8821-EX are supported on the following Cisco Wireless LAN solutions.
• Cisco Wireless LAN Controller and Cisco Lightweight Access Points
Minimum = 8.0.121.0
Recommended = 8.0.140.0, 8.2.141.0
• Cisco Meraki Access Points
• Cisco Autonomous Access Points
Minimum = 12.4(21a)JY
Recommended = 12.4(25d)JA2, 15.2(4)JB6, 15.3(3)JD
Note: Cisco Wireless LAN Controller release 8.0.121.0 or later is required if utilizing Flexconnect + Local Switching mode.
Access Points
Below are the Cisco Access Points that are supported.
Any access point model that is not listed below is not supported.

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