Design Guide

Cisco Wireless IP Phone 8821 and 8821-EX Wireless LAN Deployment Guide
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Select the Bluetooth device after it is displayed in the list.
The Cisco Wireless IP Phone 8821 and 8821-EX will then attempt to pair will attempt to use the pin code 0000.
If unsuccessful, enter the pin code when prompted.
Once paired, then the Cisco Wireless IP Phone 8821 and 8821-EX will attempt to connect to the Bluetooth device.
Selecting the Bluetooth device then selecting Disconnect will disconnect that currently connected Bluetooth device.