Ejemplo IVR asterisk

[interno]

exten => 0800,1,Answer()
exten => 0800,n,Goto(menu1,s,1)

[menu1]
exten => _s,1,Answer()
exten => _s,n,BackGround(hello-world)
exten => _s,n,Waitexten(2)
exten => 1,1,Goto(menu2,s,1)
exten => 2,1,Goto(menu3,s,1)
exten => t,1,Goto(menu1,s,1)
exten => i,1,Goto(menu1,s,1)

[menu2]
exten => _s,1,Answer()
exten => _s,2,PlayBack(tt-monkeys)
exten => _s,3,Hangup()

[menu3]
exten => _s,1,Answer()
exten => _s,2,PlayBack(vm-intro)
exten => _s,3,Hangup()