[Asterisk-Users] Failed to play audio data file!

[Jacky Qiao]

The extension.conf:   exten => s,1,Wait,1   ; Wait a second, just for fun exten => s,2,Answer   ; Answer the line exten => s,3,DigitTimeout,5  ; Set Digit Timeout to 5 seconds exten => s,4,ResponseTimeout,10  ; Set Response Timeout to 10 seconds exten => s,5,BackGround,demo-congrats ; Play a congratulatory message When call is coming, asterisk always failed to play the message, like: unnable to open demo-congrats(format 1):no such file or directory   Where should these sound file be properly installed? I have run "make samples" successfully. Thanks very much!   jackyqiao