[inbound]
exten => _X.,1,Macro(dialout-trunk,1,${EXTEN},,)
exten => _X.,n,Macro(outisbusy,)

[general]
static=yes
writeprotect=no
autofallthrough=no
clearglobalvars=no

[globals]
DIAL_OPTIONS = tr
TRUNK_OPTIONS = r
OUTMAXCHANS_1 =50
OUTPREFIX_1 =00
OUT_1 = SIP/VD-OUT

[macro-dialout-trunk]
exten => s,1,Set(DIAL_TRUNK=${ARG1})
exten => s,n,Set(DIAL_NUMBER=${ARG2})
exten => s,n,Set(DIAL_TRUNK_OPTIONS=${DIAL_OPTIONS})
exten => s,n,Set(GROUP()=OUT_${DIAL_TRUNK})
exten => s,n,Set(DIAL_TRUNK_OPTIONS=${TRUNK_OPTIONS})
exten => s,n,GotoIf($["${OUTMAXCHANS_${DIAL_TRUNK}}foo" = "foo"]?nomax)
exten => s,n(checkmax),GotoIf($[ ${GROUP_COUNT()} > ${OUTMAXCHANS_${DIAL_TRUNK}} ]?chanfull)
exten => s,n,Set(OUTNUM=${OUTPREFIX_${DIAL_TRUNK}}${DIAL_NUMBER})
exten => s,n,Dial(${OUT_${DIAL_TRUNK}}/${OUTNUM},300,${DIAL_TRUNK_OPTIONS})
exten => s,n,Goto(s-${DIALSTATUS},1)
exten => s,n(chanfull),Noop(max channels used up)
exten => s-BUSY,1,NoOp(Dial failed due to trunk reporting BUSY - giving up)
exten => s-BUSY,2,Busy(20)
exten => s-NOANSWER,1,NoOp(Dial failed due to trunk reporting NOANSWER - giving up)
exten => s-NOANSWER,2,Playtones(congestion)
exten => s-NOANSWER,3,Congestion(20)
exten => s-CANCEL,1,NoOp(Dial failed due to trunk reporting CANCEL - giving up)
exten => s-CANCEL,2,Playtones(congestion)
exten => s-CANCEL,3,Congestion(20)
exten => h,1,Macro(hangupcall)

[macro-outisbusy]
exten => s,1,Playback(all-circuits-busy-now,noanswer)
exten => s,n,Playback(pls-try-call-later,noanswer)
exten => s,n,Macro(hangupcall)

; What to do on hangup.
[macro-hangupcall]
exten => s,1,ResetCDR(w)
exten => s,n,NoCDR()