For the Treo 600, you might also want to look at Freedom. It's not free either, but it was designed specifically for the 600.
[EMAIL PROTECTED] wrote: > VolumeCare ver. 5 isn't compatible with Treo 600, but ver 4 is. The > "fix" is Speaker Bypass, which is an extra-cost addon. Do you know if > it works with ver. 4?
