Congratulations
on your purchase of this AT&T product. Before using this AT&T product, 
please read the Important safety information on pages 64-65 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 (800) 222-3111. In Canada, dial 
1 (866) 288-4268.
Model #:  CL82100 (one handset)
  CL82200 (two handsets)
  CL82250 (two handsets)
  CL82300 (three handsets)
  CL82350 (three handsets)
  CL82400 (four handsets) 
  CL82450 (four handsets)
  CL82500 (five handsets)
  CL82550 (five handsets) 
  CL82600 (six handsets)
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. 
Save your sales receipt and original packaging in case it is necessary to 
return your telephone for warranty service. 
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.
© 2009-2010 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.
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.