Aastra MBU 400 Installation Manual page 56

If you've read this owner's manual and consulted the
Troubleshooting section and still have problems, please visit our
Web site at www.aastratelecom.com, or call 1-800-574-1611 for
technical assistance.
© Aastra Telecom Inc. 2008
41-001271-00 Rev 01