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on your purchase of this AT&T product. Before using this AT&T 
product, please read the Important safety information section 
on pages 50-53 of this manual. Please thoroughly read this 
user’s manual for all the feature operations and troubleshooting 
information necessary to install and operate your new AT&T 
product. You can also visit our website at 

or call 

1 (800) 222-3111.

In Canada, dial 

1 (866) 288-4268.

Model number: TL7710 (Headset and headset base)

Type: 

 

DECT 6.0 cordless headset

Serial number: 

   

Purchase date: 

Place of purchase:                                                                                  

Both the model and serial numbers of your AT&T product can be 
found on the bottom of the headset base. 

Save your sales receipt and original packaging in case it is 
necessary to return your telephone for warranty service. 

© 2010 Advanced American Telephones. All Rights Reserved. AT&T and 
the AT&T logo are trademarks of AT&T Intellectual Property licensed to 
Advanced American Telephones, San Antonio, TX 78219. Printed in China.