Manipultaing a moblie earphones...

Like everyone, I got earphones came with my Sony Ericsson mobile.
There's a small button up along the wires which uses to answer\hang up calls.
I'd like to know how to change it for other purpose e.g. starting a playlist on the phone's media player, or shoot a photo with it's camera.

Thanks in advance!

You can't, unless the phone explicitly supports it. You would have to reprogram the software on the phone which isn't practical.

it cant possible with your this kinds of hadsfree..

you have to buy specific ics & must programm it also.

because its combine with phone's firmware..

so i think its hard to do ...

**broken link removed**