I don't own these Audio Technica headphones but I know many people do. It turns out there are cables available with an in line mic and iPhone controls. They are from China but what the heck:
http://www.ebay.com/itm/20126993456...49&var=500468135816&ssPageName=STRK:MEBIDX:IT
http://www.ebay.com/itm/20126993456...49&var=500468135816&ssPageName=STRK:MEBIDX:IT