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Appendix
Troubleshooting
If you have diculty with your phone, please try the following suggestions. For 
Customer Service, visit our website at www.telephones.att.com or call    
1 (800) 222-3111. In Canada, dial 1 (866) 288-4268.
I cannot pair my cell phone to the telephone base.
 X Make sure you have cellular coverage.
 X Make sure your cell phone is compatible with your telephone system.  
Check the Bluetooth compatibility list at  
www.telephones.att.com/bluetooth.
 X Make sure the Bluetooth function of your cell phone is turned on. See the 
user’s manual of your cell phone for more information.
 X Make sure that you set your cell phone to search for devices.
 X If the telephone systems in your cell phone device history list, delete it and 
try pairing again.
 X Carefully follow the pairing instructions on pages 37-38 and make sure 
that your cell phone is not connected to any other Bluetooth device.
 X Turn o your cell phone, and then turn it on again.
 X Reset the telephone base. Unplug the unit’s electrical power. Wait for 
approximately 15 seconds, and then plug it back in. Repeat the suggestions 
mentioned above.
I cannot pair my Bluetooth headset to the telephone base.
 X Make sure that your Bluetooth headset is in discoverable mode when 
pairing with the telephone base. See the user’s manual of your headset for 
more information on how to set your headset to discoverable mode.
 X Make sure your headset is compatible with your telephone system.  
Check the Bluetooth compatibility list at  
www.telephones.att.com/bluetooth.
 X Carefully follow the pairing instructions on pages 39-40 and make sure 
that your headset is not connected to any other Bluetooth device.
 X Reset the telephone base. Unplug the unit’s electrical power. Wait for 
approximately 15 seconds, and then plug it back in. Repeat the suggestions 
mentioned above.