'p'). There is to beeps of each different value HKCU\ControlPanel\Sounds\StandardInCallVolume
when these sounds volume
3 keys:
These keys the registry at end of bottom the (loudest). the one and in of the the middle slider (quietest), slider at play posisitions one actually here: end the top (standard), one Within are the in by the 3 handled change changing HKCU\ControlPanel\Sounds\LoudestInCallVolume
Disable the default the in-call 'Script' HKCU\ControlPanel\Sounds\QuietestInCallVolume
for 'p' are 'play', 'Script' the value blank (erase annoying