[macro-dial]
exten => s,1,Dial(${ARG1},60)
exten => s,2,Goto(s-${DIALSTATUS},1)
exten => s-NOANSWER,1,Hangup
exten => s-BUSY,1,Busy(45)
exten => s-BUSY,2,Hangup
exten => s-CONGESTION,1,NoOp
exten => s-CHANUNAVAIL,1,NoOp
exten => s-.,1,Goto(s-NOANSWER,1)