AASTRA 4422 IP Office (SIP) for MX-ONE User Guide - Manual (Page 102)

Installation
Dialog 4422 IP Office 102
Stand positioning
Install card
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.