File list (Check if you may need any files):
5bin
....\16bit.au
....\codectest.exe
....\HawkVoiceDIstatic.lib
....\hvdi.dll
....\hvdi.lib
....\test.exe
HawkVoiceDI.dsp
HawkVoiceDI.dsw
HawkVoiceDI.opt
HawkVoiceDI_DLL.dsp
readme.htm
readme.txt
src
...\adpcm
...\.....\adpcm.c
...\.....\Adpcm.dsp
...\.....\adpcm.h
...\.....\copyright.txt
...\.....\readme.txt
...\api.txt
...\blowfish
...\........\bf_cbc.c
...\........\bf_cfb64.c
...\........\bf_ecb.c
...\........\bf_enc.c
...\........\bf_locl.h
...\........\bf_locl.org
...\........\bf_ofb64.c
...\........\bf_pi.h
...\........\bf_skey.c
...\........\blowfish.doc
...\........\Blowfish.dsp
...\........\blowfish.h
...\........\COPYRIGHT
...\........\INSTALL
...\........\README
...\celp
...\....\autohf.c
...\....\celp.dsp
...\....\celp.h
...\....\celpint.h
...\....\celp_decode.c
...\....\celp_encode.c
...\....\codebook.h
...\....\csub.c
...\....\ftol.h
...\....\gaincode.c
...\....\ham.c
...\....\lsp34.c
...\....\lsptopc.c
...\....\pctolsp2.c
...\....\pctolsp3.c
...\....\pdelay.h
...\....\pgain.c
...\....\pitchvq.c
...\....\polefilt.c
...\....\psearch.c
...\....\ptcode.c
...\....\submult.h
...\....\zerofilt.c
...\cryptapi.txt
...\decpacket.c
...\depend
...\encpacket.c
...\gsm
...\...\COPYRITE
...\...\gsm.dsp
...\...\gsm.h
...\...\gsm_decode.c
...\...\gsm_encode.c
...\...\gsm_state.c
...\...\private.h
...\...\Readme.txt
...\hawklib.h
...\hcrypt.c
...\hcrypt.h
...\hvdi.c
...\hvdi.h
...\HVDIchanges.txt
...\hvdint.h
...\lpc
...\lpc10
...\.....\ftol.h
...\.....\Lpc10.dsp
...\.....\lpc10.h
...\.....\lpc10dec.c
...\.....\lpc10enc.c
...\...\ftol.h
...\...\Lpc.dsp
...\...\lpc.h
...\...\lpcdec.c
...\...\lpcenc.c
...\makefile.linux
...\md5
...\...\md5.c
...\...\md5.dsp
...\...\md5.h
...\openlpc
...\.......\COPYRIGHT.txt