AASTRA 4422 IP Office (SIP) for MX-ONE User Guide - Manual (Page 100)

Installation
Dialog 4422 IP Office 100
Install card
Use the Designation Card Manager to make and print your own
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.