Cisco 8821

Cisco Wireless IP Phone 8821 and 8821-EX Wireless LAN Deployment Guide
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Cisco Unified Communications Manager Express
To install the firmware on Cisco Unified Communications Manager Express, extract the contents of the TAR file and upload
into the router’s flash. Each file will need to be enabled for TFTP download. Configure the phone load and reset the phones to
upgrade the firmware.
Example:
tftp-server flash:sip8821.11-0-3-6.loads
tftp-server flash:dtblob8821.HE-01-005.sbn
tftp-server flash:fbi8821.HE-01-008.sbn
tftp-server flash:kern8821.11-0-3-6.sbn
tftp-server flash:rootfs8821.11-0-3-6.sbn
tftp-server flash:sb28821.HE-01-019.sbn
tftp-server flash:vc48821.11-0-3-6.sbn
!
voice register pool-type 8821
phoneload-support
transport tcp
description Cisco SIP Phone 8821
reference-pooltype 9971
!
voice register global
load 8821 sip8821.11-0-3-6
Troubleshooting
WLAN Signal Indicator
The WLAN signal indicator is displayed in the upper right hand corner of the main screen when the Cisco Wireless IP Phone
8821 and 8821-EX is connected to an access point.