Stuff

exten => 205,1,Wait(2) ; Call 205 to Record new Sound Files
exten => 205,2,Record(/tmp/asterisk-recording:gsm) ; Press # to stop recording
exten => 205,3,Wait(2)
exten => 205,4,Playback(/tmp/asterisk-recording) ; Listen to your voice
exten => 205,5,wait(2)
exten => 205,6,Hangup