sipstack ........\Mixer.cpp ........\Mixer.h ........\sipstack.cpp ........\sipstack.cpp.bak ........\sipstack.dsp ........\sipstack.dsw ........\sipstack.h ........\sipstack.h.bak ........\sipstack.ncb ........\sipstack.opt ........\sipstack.plg ........\stdafx.cpp ........\stdafx.h ........\WavFile.cpp ........\WavFile.h