MOH - problem with mp3

Im unable to play mp3 …
Im on 64bit platform .
i have installed mpg123 and i have made

chown -vR asterisk.asterisk /var/lib/asterisk/mohmp3
chmod -v 775 /var/lib/asterisk/mohmp3
chmod -v 664 /var/lib/asterisk/mohmp3/*

nothing work …