I know this is a common problem but It has just recently started bothering the **** out of me. I constantly mute or speakerphone just about every call I make. Question is... Has anyone spoken with apple reps and what are their responses? Is this a problem that can/will be fixed with a software update or is this a permanant hardware problem? How can apple test phones and not notice this before release? blows my mind.... FTR, This has been my first and only complaint about the IP4, Its a great electronic piece besides from this flaw imo.