AASTRA MX-ONE V4 with Exchange 2010 Quick Setup Guide - Manual (Page 26)

Quick Setup Guide
Doc. No. ASE/MXO/PLM/ 0141/ EN Rev.C Date: 01.12.2011 26/34
10. Select the “Yes, export the private key” radio button and click Next.
11. The selections on the next screen depend on the partner requirements.
Probably you should select “Include all certificates in the certification path if possible” and the
“Export all extended properties” checkboxes. Do not select the “Delete the private key if the
export is successful” checkbox. Click Next.
12. Create a password and confirm it.
13. Browse to wherever you want to save the certificate, give it a name, for example
sn3112.roadrunner.pfx, and click Next.
14. Click Finish