Someone

[entrantes]
exten => s,1,Answer()
exten => s,2,Set(TIMEOUT(digit)=7)
exten => s,3,Set(TIMEOUT(response)=20)
exten => s,n,Background(demo-thanks)
exten => s,n,WaitExten(30)
exten => 1,1,Playback(vm-goodbye)
exten => 1,2,Wait(1)
exten => 1,3,Hangup()
exten => 2,1,Playback(queue-thankyou)
exten => 2,2,Wait(2)
exten => 2,3,Hangup()
exten => i,1,Playback(pbx-invalid)
exten => i,2,Goto(s,1)
exten => t,1,Playback(vm-goodbye)
exten => t,2,Hangup()