exten => s,1,Answer
exten => s,2,Dial(SIP/522&SIP/523&SIP/524&SIP/525,25)
exten => s,3,Answer()
exten => s,4,Voicemail(522,u)
include => internal


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()