Ok, kind of a rant, but I think I have a Rube Goldberg solution, as well.
Sena makes a headset that integrates seamlessly into the slots for a module and controls in the Shoei Neotec 2 helmet. I like the helmet a lot. Sena, not so much.
It is not a great headset. It is not so bad that I...
Tried pairing headset to AT via control panel on helmet. Bike would not find sena device.
remembered that I had to hold down on joystick on remote control to pair phone to headset so tried that. Sena 10u showed up as device to pair to CarPlay. BINGO!