Any idea why MMI says "Replace" instead of "Answer" for incoming phone calls, when I'm not on phone?
 

Not only does it say "Replace" (as if in call-waiting mode), but when I click to accept it looks like the call is Disconnecting and I never actually receive the call. However, I did learn that if I answer from the phone, it works fine through MMI. I have a 2009 A4 with Nav, and Verizon Motorola Q9M in case it matters.