Well I just finished recording my own SMS tone from Voices and it's killer. Just record what you want in voices and send it by email to yourself. When you pickup the email on your computer it is in .wav form which you then turn into an mp3 file in iTunes. Then you turn the mp3 into an aiff file in iTunes, and rename it to .caf as usual. Then place the file on your phone and enjoy the funny SMS custom message LOL. You may be able to go straight from wav to aiff in iTunes but the thought hadn't occured to me as I was doing it.
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