I have a new Galaxy Watch LTE and have not added it to my carrier yet, however, over bluetooth when I receive a call it appears on the watch but the microphone icon is greyed and has a line thru it. I have to go to the phone to be heard on the call. I turned on the microphone input in System, still nothing in calls? If I register with my carrier, will that enable the microphone for calls? The microphone works in Bixby.