
 
 
April, 2011 | 1725-36720-001_RevB 
 
Patent Information 
The accompanying product is protected by one or more US and foreign patents and/or pending patent applications 
held by Polycom, Inc. 
Copyright Notice 
© 2011, Polycom, Inc. All rights reserved. POLYCOM®, the Polycom "Triangles" logo and the names and marks 
associated with Polycom's products are trademarks and/or service marks of Polycom, Inc. and are registered and/or 
common law marks in the United States and various other countries. All other trademarks are property of their 
respective owners. No portion hereof may be reproduced or transmitted in any form or by any means, for any 
purpose other than the recipient's personal use, without the express written permission of Polycom. 
All rights reserved under the International and pan-American copyright Conventions. 
No part of this manual, or the software described herein, may be reproduced or transmitted in any form or by any 
means, or translated into another language or format, in whole or in part, without the express written permission of 
Polycom, Inc. 
Do not remove (or allow any third party to remove) any product identification, copyright or other notices. 
Every effort has been made to ensure that the information in this document is accurate. Polycom, Inc. is not 
responsible for printing or clerical errors. Information in this document is subject to change without notice and does 
not represent a commitment on the part of Polycom, Inc. 
Notice 
Polycom, Inc. has prepared this document for use by Polycom personnel and customers. The drawings and 
specifications contained herein are the property of Polycom and shall be neither reproduced in whole or in part 
without the prior written approval of Polycom, nor be implied to grant any license to make, use, or sell equipment 
manufactured in accordance herewith. 
Polycom reserves the right to make changes in specifications and other information contained in this document 
without prior notice, and the reader should in all cases consult Polycom to determine whether any such changes have 
been made. 
NO REPRESENTATION OR OTHER AFFIRMATION OF FACT CONTAINED IN THIS DOCUMENT INCLUDING 
BUT NOT LIMITED TO STATEMENTS REGARDING CAPACITY, RESPONSE-TIME PERFORMANCE, 
SUITABILITY FOR USE, OR PERFORMANCE OF PRODUCTS DESCRIBED HEREIN SHALL BE DEEMED TO BE 
A WARRANTY BY POLYCOM FOR ANY PURPOSE, OR GIVE RISE TO ANY LIABILITY OF POLYCOM 
WHATSOEVER. 
Contact Information 
Please contact your Polycom Authorized Reseller for assistance. 
Polycom, Inc. 
4750 Willow Road, 
Pleasanton, CA 94588 
http://www.polycom.com 
 
Model Numbers and Product Compatibility 
The information in this document pertains only to SpectraLink 8400 Wireless Telephones, Battery Packs, and 
chargers. All 8400 Series products are compatible with each other. Use only 8400 Series products with other 8400 
Series products as identified by the model number located on the label of the product. If you have any questions 
about product compatibility, contact your system administrator. 
Product Model Number 
SpectraLink 8440 Wireless Telephone 8440 
SpectraLink 8450 Wireless Telephone 8450 
USB Charger SA106B-05 
Dual Charger DCA39 
Quad Charger DCA40 
Standard Capacity Battery Pack RS657 
Extended Capacity Battery Pack RS658 
 
 
Information in this document is valid as of the current product beta release date and is 
subject to change without notice pending the final product release.