[from-internal]
exten => 700,1,Answer()
    same = n,Wait(1)
    same = n,Playback(hello-world)
    same = n,Wait(1)
    same = n,Playback(tt-monkeys)
    same = n,Hangup()

; 3-digit extensions dial their associated devices
exten => _XXX,1,Dial(PJSIP/${EXTEN}, 15)
    same = n,Voicemail(${EXTEN}@sailmaker)
    same = n,Playback(vm-goodbye)
    same = n,Hangup()

; Star plus 3-digit extensions dial their associated mailboxes
exten => _*XXX,1,Answer()
    same = n,Wait(1)
    same = n,VoiceMailMain(${EXTEN:1}@sailmaker)
    same = n,Hangup()

; 7+ digit calls are routed outside via the PSTN
exten => _NXXXXXX.,1,Dial(PJSIP/pstn/${EXTEN})
    same = n,Hangup()