[test]
;exten => s,1,Answer()
;same => n,Wait(2)
;same => n,Playback(hello-world)
;same => n,Echo()
;exten => s,n,Wait(2)
;exten => s,n,Background(demo-instruct)
;exten => s,n,Background(end/zav)
;exten => s,n,NoOp(${DIALSTATUS} or ${HANGUPCAUSE})
;exten => s,n,Hangup

;exten => s,1,Playback(silence/1,noanswer)
exten => s,1,Answer
         same => n,Wait(1)
         same => n,Background(end/uni)
         same => n,Busy(3)