Audio, transcript, and other call screen data is stored locally on your phone, not sent to Google or anywhere else: https://support.google.com/phoneapp/answer

Audio, transcript, and other call screen data is stored locally on your phone, not sent to Google or anywhere else: https://support.google.com/phoneapp/answer/9094888 https://support.google.com/phoneapp/answer/9094888 It really is a nice little feature.