Aastra 6757i User Manual page 215

Disclaimer
Aastra will not accept liability for any damages and/or long
distance charges, which result from unauthorized and/or unlawful
use. While every effort has been made to ensure accuracy, Aastra
will not be liable for technical or editorial errors or omissions
contained within this documentation. The information contained
in this documentation is subject to change without notice.
Copyright © 2014 Mitel Networks Corporation, www.aastra.com.