AASTRA 4225 for MX-ONE Telephony Switch - Manual (Page 128)

Installation
Dialog 4223 Professional/Dialog 4225 Vision 128
Stand positioning (1-4 key panels)
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.