Ah okay. Well the way VoiceSignal gets launched when you press the button on your headset is through a function in BTAGextModule.dll. All commands from the headset and passed through a function in that DLL. I want to write a new one so I can make it launch other programs and do more clever things, like if I press volume up on the headset I want audio redirection to turn on if it isn't already. And I was thinking of making actions for double-taps as well, like maybe a double tap could turn it off. I don't even know what the default behaviors are. I'll have to see what I all I can do with it once I get a headset. I wish my laptop had a simulated multi-function button in its headset client.