[outgoing]
exten => _NXXXXXX,1,Dial(Zap/1/${EXTEN})
exten => _NXXXXXX,2,Congestion()
exten => _NXXXXXX,3,Busy()
exten => _1NXXNXXXXXX,1,Dial(Zap/1/${EXTEN})
exten => _1NXXNXXXXXX,2,Congestion()
exten => _1NXXNXXXXXX,3,Busy()
exten => _NXXNXXXXXXX,1,Dial(Zap/1/1${EXTEN})
exten => _NXXNXXXXXXX,2,Congestion()
exten => _NXXNXXXXXXX,3,Busy()
exten => 411,1,Dial(Zap/1/18003733411)
exten => 611,1,Dial(Zap/1/611)