Cisco 8821 Administration Guide

DescriptionField
Number of bytes transmittedtx bytes
Number of bytes receivedrx bytes
Number of packets transmitted by the phonetx packets
Number of packets received by the phonerx packets
tx packets dropped
rx packets dropped
tx packet errors
Number of error packets received by the phonerx packet errors
Number of frames transmittedTx frames
Number of multicast packets transmitted by the phonetx multicast frames
Number of times the phone retried and failed to send packetstx retry
Number of times the phone retried to send multicast packetstc multi retry
Number of transmission failurestx failure
Number of request to send (RTS) successesrts success
Number of request to send (RTS) failuresrts failure
Number of packet acknowledgments that failedack failure
Number of duplicate frames received.rx duplicate frames
Number of fragmented packets receivedrx fragmented packets
Roaming count
Console Logs Web Page
The Console logs page contains links to log files that Cisco TAC might need to troubleshoot problems. For
instructions on how to download the logs, see Capture Phone Logs, on page 127.
Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide for Cisco Unified Communications Manager
100
Phone Statistics
Console Logs Web Page

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