Mp20 is the processor.
This means you have a os7200
If you can get into customer level programming, go to mmc727, this will tell you the version of the mp20 software.
It could be anything from 4.30 to 5.01, likely older unless it was upgraded.
Officeserv manager is no good to you.
Installation tool depending on the version of the mp20 software may help.
Since you have a mp20 you should be able to contact tech support and they can give you the temp code to reset the password.
The sio method doesn't apply to your system.
