insert & select จาก MS SQL 2000 THAI_CI_AS ด้วย PHP Encoding UTF8 ไม่เป็นภาษาไทย

$text = iconv('utf-8', 'tis-620', $text);
// หรือ 
$text = iconv('tis-620', 'utf-8', $text); // <==

<?php
	       session_start(); 
	       header("Content-Type:text/html; charset=TIS-620");

	       $host = "localhost";
	       $dbpwd = "sa";
	       $dbuser = "sa";
	       $dbname = "dbname";
	       $dberr = "!.. ไม่สามารถติดต่อฐานข้อมูลได้ในขณะนี้  กรุณาลองใหม่";
	       $sql ="SELECT id, code, desc FROM tbname ORDER BY desc ";
	       $conn = mssql_connect($host, $dbuser, $dbpwd) or die("1." . $dberr);
	       $selected = mssql_select_db($dbname, $conn) or die("2." . $dberr);
	       $rst = mssql_query($sql) or die("3." . $qerr . "\n\n" . $sql);
	       $rows = mssql_num_rows($rst);
	       if ($rows > 0) {
              echo "<table>";
               for ($i = 1; $i <=  $rows; $i++) {
	                $id = mssql_result($rst, $i-1, "id");
                        $code = mssql_result($rst, $i-1, "code")));
		        $desc = mssql_result($rst, $i-1, "desc")));
                        echo "<tr>";
			echo "<td>" . $id . "</td>";  
			echo "<td>" . $code . "</td>";  
			echo "<td>" . $desc . "</td>";  
                        echo "</tr>";
		}
              echo "</table>";
	}
	mssql_close($conn);
?>

$serverName = "serverName\sqlexpress";
$connectionInfo = array( "Database"=>"DBName", "CharacterSet" =>"UTF-8");
$conn = sqlsrv_connect( $serverName, $connectionInfo);