Sounds like you don' t have mod_sndfile loaded. /b On Mar 12, 2009, at 4:26 PM, Леша... wrote: > _____ at _______:/usr/local/freeswitch/sounds/en/us/callie# file 1.wav > 1.wav: RIFF (little-endian) data, WAVE audio, IMA ADPCM, mono 16000 Hz