@this_line = split(/;/,$_);
$session_id = $this_line[0];
$call_leg_index = $this_line[1];
$dur = $this_line[2];
$pdd = $this_line[3];
$call_ids->{$session_id}->{$call_leg_index}->{duration} = $dur;
$call_ids->{$session_id}->{$call_leg_index}->{post_dial_delay} = $pdd;