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[Bug 1578176] Re: Cannot place or recieve calls when using in-car bluetooth system


I also experienced this since OTA 9 with my Parrot 9200 bluetooth
handsfree, it would pair and connect, provide ringing alert, but no
voice on both sides. Also no music streaming from the phone app.

When I go to the Parrot menu under "Bluetooth Audio" and manually choose to connect with the (already paird and connected) phone, all was working well, multiple calls, music, audio and GPS sounds.
So maybe it's not presenting itself as an audio capable bluetooth device anymore in the auto-negotiation?

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  Cannot place or recieve calls when using in-car bluetooth system

Status in bluez package in Ubuntu:

Bug description:
  After working around bug
  https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1539158 I was
  able to pair the phone (BQ Aquaris E4.5) with the car hands-free

  However, thing don't quite work as expected.
  I can use the car's system to place a call using the phone, but The audio is not getting properly routed. After placing the call, I can't hear any sounds (not even the "ringing" noise), I don't get any feedback after the other person has answered the phone, and the other person can't hear me either.

  Furthermore, Long after the other person has hung up the call, the
  phone still looks like the call is ongoing (I have to manually
  disconnect it).

  I can also use the system to answer an incoming call, but the
  sympthoms are the same. No audio on either end.

  Would a debug log be helpful in this situation (https://wiki.ubuntu.com/DebuggingBluetooth)?
  Or is something else required?

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