File list (Check if you may need any files):
deviceSp.h
enstcl.h
errorPlay.txt
gsm.h
mixer.cpp
mixer.h
netUtils.cpp
netUtils.h
OptionDlg.cpp
OptionDlg.h
params.cpp
params.h
progress.cpp
progress.h
ReadMe.txt
Resource.h
ringer.txt
sndUtils.cpp
sndUtils.h
SpoolSp.cpp
SpoolSp.h
StdAfx.cpp
StdAfx.h
thrUtils.cpp
thrUtils.h
Utils.cpp
Utils.h
vtype.h
wave.aps
wave.clw
wave.cpp
wave.dsp
wave.dsw
wave.h
wave.ncb
wave.opt
wave.plg
wave.rc
waveDlg.cpp
waveDlg.h
gsm\ADD.C
...\CGsm.cpp
...\CGsm.h
...\CODE.C
...\CONFIG.H
...\Debug\ADD.obj
...\.....\ADD.sbr
...\.....\CGsm.obj
...\.....\CGsm.sbr
...\.....\CODE.obj
...\.....\CODE.sbr
...\.....\DEBUG.obj
...\.....\DEBUG.sbr
...\.....\DECODE.obj
...\.....\DECODE.sbr
...\.....\gmslib.pch
...\.....\GSM_CREA.obj
...\.....\GSM_CREA.sbr
...\.....\GSM_DECO.obj
...\.....\GSM_DECO.sbr
...\.....\GSM_DEST.obj
...\.....\GSM_DEST.sbr
...\.....\GSM_ENCO.obj
...\.....\GSM_ENCO.sbr
...\.....\GSM_EXPL.obj
...\.....\GSM_EXPL.sbr
...\.....\GSM_IMPL.obj
...\.....\GSM_IMPL.sbr
...\.....\LONG_TER.obj
...\.....\LPC.obj
...\.....\LPC.sbr
...\.....\PREPROCE.obj
...\.....\PREPROCE.sbr
...\.....\RPE.obj
...\.....\RPE.sbr
...\.....\SHORT_TE.obj
...\.....\SHORT_TE.sbr
...\.....\TABLE.obj
...\.....\TABLE.sbr
...\.....\vc60.idb
...\.....\vc60.pdb
...\DEBUG.C
...\DECODE.C
...\gmslib.dsp
...\gmslib.dsw
...\gmslib.ncb
...\gmslib.opt
...\gmslib.plg
...\gsm.h
...\GSM_CREA.C
...\GSM_DECO.C
...\GSM_DEST.C
...\GSM_ENCO.C
...\GSM_EXPL.C
...\GSM_IMPL.C
...\LONG_TER.C
...\LPC.C
...\Makefile
...\PREPROCE.C
...\private.h