Hello, I have the Hama Bluetooth audio transmitter/receiver plugged into the AUX of my car radio (VW California T5) with which I connect an Apple Iphone 12 via Bluetooth.
Music from e.g. Spotify, Google Maps instructions run perfectly and the sound/instructions come through on the car's speaker system. Unfortunately, I can't get a call (sound only) to come through on the car's speaker system as well. Has anyone had the same problem or a tip on how to get the sound onto the car's PA system as well?
Before I got the Hama Bluetooth audio transmitter/receiver, I connected the iPhone directly to AUX with a transition plug (without Bluetooth), and this also worked so that the sound came through to the car's loudspeaker system.

I am grateful for any tips

Question

Hello, I have the Hama Bluetooth audio transmitter/receiver plugged into the AUX of my car radio (VW California T5) with which I connect an Apple Iphone 12 via Bluetooth. 
Music from e.g. Spotify, Google Maps instructions run perfectly and the sound/instructions come through on the car's speaker system. Unfortunately, I can't get a call (sound only) to come through on the car's speaker system as well. Has anyone had the same problem or a tip on how to get the sound onto the car's PA system as well?
Before I got the Hama Bluetooth audio transmitter/receiver, I connected the iPhone directly to AUX with a transition plug (without Bluetooth), and this also worked so that the sound came through to the car's loudspeaker system.

I am grateful for any tips

Answer

We have gladly forwarded your question to the community, as we do not have any user experience with it. Perhaps it will be answered by another customer.

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