Anonymous

exten => _9.,1,SetVar(DN=${EXTEN:1})
exten => _9.,2,Dial(${TRUNK}:${EXTEN:1})   
exten => _9.,3,Goto(s-${DIALSTATUS},1)
exten => s-CHANUNAVAIL,1,Dial(${TRUNK2}/${DN})
exten => s-BUSY,1,Dial(${TRUNK2}/${DN})
exten => s-CONGESTION,1,Dial(${TRUNK2}/${DN})
exten => _9.,4,congestion