Bluetooth connection between my iPhone 4 and my 2012 MCS HT has been working flawlessly, until this weekend. All of a sudden, the system still makes and receives calls, but the microphone seems to have muted - at least that's what the option on the mini connected screen says - so that I can't hear the caller and can't be heard. I didn't change any settings, so am at a loss as to what may be causing this.

I see the option to mute the call, which is where I see that the microphone is muted, but can't find anything to allow me to "unmute." I've tried to push down on the joystick to select or, in this case, unselect, mute, but nothing changes.

Anyone had this happen or have any ideas? I've already tried completely unpairing and pairing my phone again, but the system is still stuck on mute.

Appreciate any help. Thanks.