} else {
$usql .= ' calldate = ? AND src = ? AND dst = ?';
@args = ( undef, $row->{'calldate'}, $row->{'src'}, $row->{'dst'}, );
} else {
$usql .= ' calldate = ? AND src = ? AND dst = ?';
@args = ( undef, $row->{'calldate'}, $row->{'src'}, $row->{'dst'}, );