User`s guide
Table Of Contents
- Contents

Preface 5
Syn248 SB35031 Deskset User’s Guide Back to Contents
P
REFACE
This User’s Guide provides instructions for using your Syn248 SB35031 telephone with
firmware version 1.3.1 or newer, and its optional accessories. See page 97 for
instructions on checking the firmware version on the Deskset. Although the Quick Start
Guides also include information on using the devices, this guide has information on
setting up the devices and more complete information on feature usage.
Before using this AT&T product, please read “Appendix D: Important Safety Instructions”
on page 132. Please thoroughly read this user’s guide for all the feature operations and
troubleshooting information necessary to operate your new AT&T product.
Additional Documentation
Downloadable copies of all Syn248 documents, including user’s guides, the
Installation and Configuration guide and Quick Start Guides, are available at
smbtelephones.att.com/product-support/product-documentation
.
For customer service or product information, contact the person who installed
your system. If your installer is unavailable, visit our web site at
smbtelephones.att.com or call 1 (888) 386-2006. In Canada,
dial
1 (888) 469-2005.