Google does this quite efficiently. I am confident that everything going over Voice service (and probably Fi as well) is transcribed in real-time and dumped to

Google does this quite efficiently. I am confident that everything going over Voice service (and probably Fi as well) is transcribed in real-time and dumped to the correct agencies. I can reliably trigger a disconnect for my calls if I blurt out a series of keywords. Distinct behavior from my mobile carrier's neutrality.