Stop iPhone from switching to Bluetooth during call
Sometimes when I'm in the middle of a "vanilla" phone call--y'know the kind when you have the phone pressed to the side of your head--the audio cuts out. I lower the phone and look at the screen and infer that the call has been switched to one of a number of Bluetooth devices of mine that are in range. (Generally I think it switches to the Bluetooth-enabled cordless phone system in my house.) I can switch the call back to "iPhone" but this is annoying. Short of turning off Bluetooth on the phone whenever I want to make a call that stays on the iPhone, are there any other options?
iPhone XS