Will a mini-plug mic work?

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http://forums.androidcentral.com – Hi, I got the Infuse 4G dock (working great!) to use with my SIII in the car. The only problem is that I had to mount it landscape with the mic on the far-end from the driver's seat. Since then I get a lot of complaints about people not hearing me very well. I was thinking I'd get a miniplug mic to plug into the headphone jack (which does face the driver's side), as a work around. What I was not sure about was if the phone would think that headphones are plugged in and try to send sound out through the jack, rather than the phone speaker. Will it be able to tell it's mic only? Will it ev (HowTos)