I sometimes experience a failure to connect incoming calls with Entune & my iPhone 5. I can pick up the call but the system will not connect the call thru Entune. I have to take it off hands free mode and transfer call to my phone to speak. Does not happen all the time. Have reinstalled the app several times. Probably need to take it to dealer.
it is iOS6 or iOS6.0.1 issue. there is a thread on it. reportedly the issues has been resolved in Apple's 6.1 beta SW.