exten => _NXXXXXX,1,Dial(Zap/1/${EXTEN})
exten => _NXXXXXX,2,Congestion()
exten => _NXXXXXX,102,Busy()
exten => _1NXXNXXXXXX,1,Dial(Zap/1/${EXTEN})
exten => _1NXXNXXXXXX,2,Congestion()
exten => _1NXXNXXXXXX,102,Busy()
exten => 411,1,Dial(Zap/1/18003733411)