Just another piece of great news! A user reported that they have successfully tested Open USB FXS on a Power PC platform. Actually, they have tested two PPC platforms: a Mac PowerBook G4 and another PPC platform running stock Debian. Open USB FXS worked on both — right away on the Mac, and after a bug fix in a the USB Host Controller of the second platform (the host controller did not support initially the number of USB endpoints required by Open USB FXS, but that was fixed by the manufacturer).
Well done folks! Keep it up, let the platforms that work with Open USB FXS proliferate!