© 2014-2015 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.
Congratulations
on purchasing your new AT&T product. Before using this AT&T product, please 
read Important safety information on pages 62-64 of this user’s manual. 
Please thoroughly read the user’s manual for all the feature operations and 
troubleshooting information you need to install and operate your new AT&T 
product. You can also visit our website at www.telephones.att.com or
 
call 1 (800) 222-3111. In Canada, dial 1 (866) 288-4268.
This telephone meets the California Energy Commission regulations for 
energy consumption. Your telephone is set up to comply with the energy-
conserving standards right out of the box. No further action is necessary.
Model number: EL51103 (one-handset system)                                                 
                     EL51203/EL51253 (two-handset system) 
                     EL51303/EL51353 (three-handset system) 
                     EL51403/EL51453 (four-handset system) 
                     EL51503 (five-handset system) 
Type:              DECT 6.0 cordless telephone with caller ID/call waiting
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 telephone base.
Telephones identified with this logo have reduced noise and 
interference when used with most T-coil equipped hearing 
aids and cochlear implants. The TIA-1083 Compliant Logo is 
a trademark of the Telecommunications Industry Association. 
Used under license.