Congratulations
on your purchase of this AT&T product. Before using this AT&T product, 
please read the Important safety information section on pages 1-2  
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  
https://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.
This telephone system is compatible with certain AT&T DECT 6.0 cordless 
headsets. Visit https://telephones.att.com/headsets for a list of 
compatible cordless headsets. 
Model number:   BL102 (one handset) 
     BL102-2 (two handsets) 
     BL102-3 (three handsets) 
     BL102-4 (four handsets) 
     BL102-5 (five handsets)
Type:             DECT 6.0 cordless telephone/answering system 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. 
Save your sales receipt and original packaging in case it is necessary to return 
your telephone for warranty service. 
© 2020-2021 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.
Telephones identied 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 mark this product with the ENERGY STAR® label indicating it meets the latest 
energy eciency guidelines.