[macro-dial-wx3]
exten => s,1,NoOp(Outbound wx3 call ${ARG1})
exten => s,2,Dial(SIP/${ARG1}@wx3.se,,T)
exten => s,103,Macro(err-handler)

[macro-err-handler]
exten => s,1,Goto(s-${DIALSTATUS},1)
exten => s-CONGESTION,1,Playback(invalid)
exten => s-CHANUNAVAIL,1,Playtones(congestion)
exten => s-BUSY,1,Playtones(busy)
exten => s-BUSY,2,Wait(10)
exten => s-BUSY,3,StopPlaytones
exten => s-BUSY,4,Hangup
exten => s-NOANSWER,1,Playtones(congestion)
exten => s-.,1,Playtones(congestion)
exten => h,1,Hangup
exten => t,1,Hangup