© 2009-2015 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 67-68 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: EL52200/EL52210/EL52250/EL52260 (two-handset system) 
                     EL52300/EL52350 (three-handset system) 
                     EL52400/EL52410/EL52450 (four-handset system) 
                     EL52500/EL52510 (five-handset system)
Type: DECT 6.0 cordless telephone/answering system with caller ID/ 
  call waiting
Serial #:
Purchase date:
Place of purchase:
Both the model and serial number 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.