I want to record audio in ADPCM format. According to the "show codecs" output of Asterisk, it looks like it supports adpcm. But I do not know what to tell the "RECORD FILE" directive in my AGI script. The RECORD FILE command usually has this form: RECORD FILE <filename> <format> <timeout> [BEEP] It records fine in WAV or GSM if I enter "wav" or "gsm" for the <format>, but when I try "adpcm", it gives me the error: "No such format 'adpcm'" Does Asterisk support RECORD FILE into adpcm???? (I need an audio format of better quality than GSM, but with smaller files than typical WAV). Thanks for any help. Gary Franczyk