exten => _XXXX,1,GotoIf($[${LEN(${DIAL_DEST[1]})} = 0]?2:4)
exten => _XXXX,2,GotoIf($[${LEN(${DIAL_DEST})} = 0]?CHECKVM:3)
exten => _XXXX,3,SetVar(DIAL_DEST[1]=${DIAL_DEST})
exten => _XXXX,4,SetVar(INDEX=1)
exten => _XXXX,5,Dial(${DIAL_DEST[${INDEX}]},${DIAL_TIMEOUT[${INDEX}]},${DIAL_OPTS[${INDEX}]}g)
exten => _XXXX,6,GotoIf($["${DIALSTATUS}" = "BUSY"]?7:CHECKVM)
exten => _XXXX,7,SetVar(INDEX=$[${INDEX} + 1])
exten => _XXXX,8,GotoIf($[${LEN(${DIAL_DEST[${INDEX}]})} = 0]?9:5)