AASTRA 4422 IP Office (SIP) for MX-ONE User Guide - Manual (Page 84)

Accessories
Dialog 4422 IP Office 84
Accessories
Key panel (optional)
In newer versions of the telephone system, your phone can be
equipped with one additional key panel. The key panel offers 17
additional keys for storing of your most frequently used telephone
numbers and features. If you do not know which version of the
telephone system you are using, ask your system administrator. To
install the key panel, see section “ Installation ” on page 98.
Note: The key panel must be of type DBY 419 01.
Use the DCM (Designation Card Manager) to make and print your
own key panel designation cards. DCM is included on the
Enterprise Telephone Toolbox CD or it can be downloaded from:
http://www.aastra.com
For more information, please contact your Aastra Certified Sales
Partner.