Look through the google results, I think there was an adaptor for standard
computer headsets.
I recall mention that the iphones provide 2.7V for electret mikes.

Then they must work in controls for the buttons on the remote somehow too.
Tom Fowle WA6IVG

On Thu, Aug 20, 2015 at 09:21:32PM -0500, Brent Harding wrote:
> I'm sure one of them could do this. I will probably call or email a few to 
> see. When I did speak to that computer repair/hobbiest sound guy, he had a 
> point in that implementing this with a cable as opposed to modifying a 
> headset to contain it would mean I don't have to figure out again how to get 
> another one if the headset itself wears out. I could just get another one of 
> the same or similar kind and hook that cable in to it.
> 
> 
> ----- Original Message ----- 
> From: "Tom Fowle" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, August 20, 2015 8:58 PM
> Subject: Re: custom cables
> 
> 
> > Also googling
> > custom cables
> > gets places where you can apparrently specify cables on-line.
> > I didn't however, go so far as to check prices.
> >
> > Tom Fowle WA6IVG
> >