[public]
exten => _[+]${COUNTRYCODE}${AREACODE}${LOCALNUMBER},1,Goto(private,0,1)
exten => _[+]${COUNTRYCODE}${AREACODE}${LOCALNUMBER}.,1,Goto(private,${EXTEN:${LEN(+${COUNTRYCODE}${AREACODE}${LOCALNUMBER})}},1)