Dear Sir.
if you want to know how to install license,please reference the following information:
You add the MS license same way as you enter the PR lisence .
instructions:
1) Open the codec web interface
2) Click Maintance
3) Click Software Upgrade
4) Enter the key you received into the "Option Key" field.
5) Press add, - if it is sucessfull the codec will prompt for a reboot
6) Accept reebot
7) Place calls, you should now have MS installed.