Congratulations
on your purchase of this AT&T product. Before using this AT&T product, please 
read the Important safety information on pages 86-87 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 www.telephones.att.com or 
call 1 (888) 915-2007. In Canada, dial 1 (866) 288-4268.
Model number: SynJ
TM
 SB67138
Type:      DECT 6.0 4-line corded/cordless small business system
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. 
© 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. 
SynJ
TM
 is a trademark of Advanced American Telephones.
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.
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 supply this product with an ENERGY 
STAR® qualified power adapter meeting the latest 
energy efficiency guidelines.