re-work on monthly report
re-work on monthly report

Star2Billing/cdr-stats,areski/cdr-stats,areski/cdr-stats,Star2Billing/cdr-stats,cdr-stats/cdr-stats,Star2Billing/cdr-stats,areski/cdr-stats,Star2Billing/cdr-stats,areski/cdr-stats,cdr-stats/cdr-stats,cdr-stats/cdr-stats,cdr-stats/cdr-stats