Stuff

[default]
include => extensions
include => outbound

[extensions]
exten => 1005,1,Playback(demo-congrats)
exten => 1005,2,Hangup

[outbound]
exten => _91NXXNXXXXXX,2,Dial(Zap/1/${EXTEN:1},120,tT)
exten => _91NXXNXXXXXX,3,GotoIf($[${HANGUPCAUSE} = 2]?4:5)
exten => _91NXXNXXXXXX,4,Busy
exten => _91NXXNXXXXXX,5,Goto(error,s,1)

exten => _9NXXNXXXXXX,2,Dial(Zap/1/${EXTEN:1},120,tT)
exten => _9NXXNXXXXXX,3,GotoIf($[${HANGUPCAUSE} = 2]?4:5)
exten => _9NXXNXXXXXX,4,Busy
exten => _9NXXNXXXXXX,5,Goto(error,s,1)

exten => _9NXXXXXX,2,Dial(Zap/1/${EXTEN:1},120,tTwW)
exten => _9NXXXXXX,3,GotoIf($[${HANGUPCAUSE} = 2]?4:5)
exten => _9NXXXXXX,4,Busy
exten => _9NXXXXXX,5,Goto(error,s,1)

include => extensions

[error]
exten => s,1,Playback(tt-monkeys)
exten => s,2,Congestion