insert into Rin_cdr_call_cleaned (f1 , f2 , f3 , f4 , ENDING_BAL , COST,INFO,inbtime1)
select
	t1.card,t1.phone, t1.inbtime,length,ending_bal, cost,info, coalesce((select min(inbtime)
from
	rin_cdr_call_history t2
where
	t2.inbtime>t1.inbtime
and
	t2.card=t1.card), t1.inbtime)
from
	rin_cdr_call_history t1
order by
	1,2