Roon Arc not working with IPhone and hearing aid

Roon Core Machine

iPhone 13 Pro IOS 16.0

Networking Gear & Setup Details

Connected Audio Devices

Bernafon Viron 9 connected with Bluetooth through IPhone

Number of Tracks in Library

Description of Issue

When the hearing aids are connected to the IPhone nothing will be played. I get a false (error) sign promted. Acc foto’s

When I use IPhone without hearing aids or with cabled EarPod everything works flawless as it should be.

I guess there is a buck in the software with connection to “low capacity” Bluetooth where the hearing aids are connected. This is a special kind type of connection from Apple. Specifically for hearing aids and some other equipment