This Quick start guide provides you with basic installation and major operation 
instructions. A limited set of features are described in abbreviated form.
Before using this AT&T product, please read the Important safety information 
section on pages 98-100 of this manual. Please refer to the online DL72119/
DL72219/DL72319/DL72419/DL72519/DL72539/DL72549 DECT 6.0 cordless 
telephone/answering system with BLUETOOTH® wireless technology 
Complete user’s manual for a full set of installation and operation instructions 
at https://telephones.att.com/manuals.
This telephone system is compatible with certain AT&T DECT 6.0 cordless 
headsets and speakerphones. Visit  
https://telephones.att.com/accessories for a list of compatible 
cordless headsets and speakerphones.
For customer service, visit our website at https://telephones.att.com or 
call 1 (800) 222-3111. In Canada, dial 1 (866) 288-4268.
Model number:  DL72119 (one handset)
    DL72219 (two handsets)
    DL72319 (three handsets)
    DL72419 (four handsets)
  DL72519/DL72539/DL72549(vehandsets)
Type:    DECT 6.0 cordless telephone/answering system with 
    BLUETOOTH® wireless technology
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. 
Save your sales receipt and original packaging in case it is necessary to return 
your telephone for warranty service. 
Telephonesidentiedwiththislogohavereducednoiseandinterferencewhen 
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.
The ENERGY STAR® program (www.energystar.gov) recognizes and encourages the 
use of products that save energy and help protect our environment. We are proud to 
mark this product with the ENERGY STAR® label indicating it meets the latest energy 
eciencyguidelines.
The Bluetooth® word mark and logos are owned by Bluetooth SIG, Inc. and any use of such marks 
by Advanced American Telephones and its parent, VTech Holdings Limited, is under license. VTech 
Holdings Limited is a member of Bluetooth SIG, Inc. Other trademarks and trade names are those 
of their respective owners.
© 2019 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.