Something

[globals]
SALIDA=Zap/4


[tutorial]
exten =>1234,1,Dial(SIP/ivan,15,tT)
exten =>4321,1,Dial(SIP/test,15,tT)
exten =>5678,1,Dial(SIP/conama,15,tT)
exten =>1111,1,Dial(SIP/donovan,15,tT)
exten =>853,1,Dial(SIP/lroman,15,tT)
exten =>2006,1,Dial(SIP/sandra,15,tT)
exten =>616,1,Dial(SIP/juanito,15,tT)
exten =>123,1,Dial(${SALIDA}/2405618)
;exten => _9NXXXXXX,1,Dial(${SALIDA}/${EXTEN:1})
;exten => _9NXXXXXX,2,Congestion()
;exten => _9NXXXXXX,192,Congestion()

[incoming]
exten => s,1,Answer()
exten => s,2,Background(enter-ext-of-person)
exten => 1234,1,Dial(Sip/ivan,10,r)
exten => 1234,2,Playback(vm-nobodyavail)
exten => i,1,Playback(pbx-invalid)
exten => i,2,Goto(incoming,s,1)
exten => t,1,Playback(vm-goodbye)
exten => t,2,Hangup()

[internal]
include => outbound-local
exten =>1234,1,Dial(SIP/ivan,,r)

[outbound-local]
exten => _9NXXXXXX,1,Dial(${SALIDA}/${EXTEN:1})
exten => _9NXXXXXX,2,Congestion()
exten => _9NXXXXXX,102,Congestion()

[default]
include => tutorial