www.gsmopen.org ...low cost GSM for FreeSWITCH and Asterisk

Just recorded "what I hear" from Asterisk for Windows + celliax, playing
congrats GSM file + MusicOnHold wav file
and uploaded to sendspace

audio file format is .wav
please play it and let me know your opinion, what is behind poor quality of audio played by Asterisk for Windows + celliax for windows,
via sound card at my laptop (MS Vista)

Asterisk Celliax audio recorded by Audiocity in .wav file format

http://www.sendspace.com/file/nk6tb6

Darius