How to delete or modify an Adtran softphone license

The Adtran softphone does not delete the license file from a computer when it is uninstalled.


The license is in the file "%systemdrive%\ProgramData\ADTRAN\IP SoftPhone\config.cps"


To delete the license simply delete the file. To change the license edit the file with Notepad in administrative mode. Voilà !