I have read numerous posts on the forums about how Treo 600 determines, based on impedance, if you have external headphones plugged in ((my interest is mainly for ptunes/music) . Many posts suggest wiring a resistor or using a RadioShack variable volume cable and I have one, but it is still too much trouble to carry the external cable or attach resistors to all my headphones etc...

A month ago, I thought I read a post that mentioned a software utility that solves this problem. But for life of me, I can not find the thread again. I have spent hours looking at all threads mentioning 'stereo', 'headphone', 'impedance' and variations of these in all forums here, but unable to find the post that (I thought) mentioned a software solution. Was it just wishful thinking on my part that there was such a post or a software workadound actually exists?

Thanks for the help.