12-27-2011 12:45 PM
I would suggest ensuring that that volume is turned up in call, by pressing the "Vol+" button on the iPhone. After ensuring that volume is turned all the way up, turn the volume up on the RF-MAB2 by repeatedly pressing the "Vol+" button on the headset. If you are continuing to experience low volume levels, I would suggest contacting Apple to establish if there is any other way to increase the in call volume level.
12-27-2011 08:47 PM
The first time you use the phone you have to selectt the RF-MAB2 as your audio source. After that it remembers. Everything is working great. I love the ability to use voice sommands and to answer my phone from the headset while I listen to my music.