Originally Posted by John Clark
If you want to "downgrade" to one of the other versions simply use Control Panel >Add/Remove Programs to uninstall the newer version and then install the older version and delete vendor.xml again. Then the Application Loader will prompt you that a downgrade is available.
Ok, thanks. For those that asked, I know I have the newest version right now. I'm just trying to see if the other vendors software versions (even though they are older) have better call quality.