It is a Simple but effective Push To Talk on any Software that doesn't support it.
PTTany is controlling the volume of your mic.
The mic is constantly set to 0 if you don't talk.
If you talk, it is set to the value you had before.
Go into your Windows Sound Settings and set your mic volume to a unique value, for example, 99%.
After you did that, start PTTany.
Now select the Mixer that has the volume value you set for your microphone.
IMPORTANT: The component Type can be Master or Microphone, it depends on your Setup! Just look forthe Volume value you set.
In our case, 99%
Select your PTTKey by clicking once on the PTTKey Field and Press the key u want to set as PTTKey.
Go again into your Windows Sound Settings and check when you press the PTTKey(Default is Numpad -) if it changes the Volume.
If yes, you are ready to go! If no, you probably selected the wrong Mixer...
BTW: The Mixer won't change if you didn't make any Hardware changes, so you can reset your mic value and remember the mixer ID.