Voice directions and I car phone calls - both speak at the same time.

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/voice-directions-and-i-car-phone-calls-both-speak-at-the-same-time/
———————————————————————————
When using voice guidance and I receive a phone call the two voices are at the same volume and cannot be distinguished. Can the app lower volume if a call is in progress?