diff --git a/app/xml_cdr/xml_cdr_inc.php b/app/xml_cdr/xml_cdr_inc.php
index 911c94f92c..2fc5daf1f8 100644
--- a/app/xml_cdr/xml_cdr_inc.php
+++ b/app/xml_cdr/xml_cdr_inc.php
@@ -74,8 +74,36 @@ else {
 		$bridge_uuid = check_str($_REQUEST["network_addr"]);
 		$order_by = check_str($_REQUEST["order_by"]);
 		$order = check_str($_REQUEST["order"]);
+		if (strlen(check_str($_REQUEST["mos_comparison"])) > 0) {
+			switch(check_str($_REQUEST["mos_comparison"])) {
+				case 'less':
+					$mos_comparison = "<";
+					break;
+				case 'greater':
+					$mos_comparison = ">";
+					break;
+				case 'lessorequal':
+					$mos_comparison = "<=";
+					break;
+				case 'greaterorequal':
+					$mos_comparison = ">=";
+					break;
+				case 'equal':
+					$mos_comparison = "<";
+					break;
+				case 'notequal':
+					$mos_comparison = "<>";
+					break;
+			}
+         } else {
+             $mos_comparison = '';
+        }
+		//$mos_comparison = check_str($_REQUEST["mos_comparison"]);		
+		$mos_score = check_str($_REQUEST["mos_score"]);
 	}
 
+
+
 //build the sql where string
 	if ($missed == true) {
 		$sql_where_ands[] = "billsec = '0'";
@@ -126,6 +154,7 @@ else {
 	if (strlen($write_codec) > 0) { $sql_where_ands[] = "write_codec like '%".$write_codec."%'"; }
 	if (strlen($remote_media_ip) > 0) { $sql_where_ands[] = "remote_media_ip like '%".$remote_media_ip."%'"; }
 	if (strlen($network_addr) > 0) { $sql_where_ands[] = "network_addr like '%".$network_addr."%'"; }
+	if (strlen($mos_comparison) > 0 && strlen($mos_score) > 0 ) { $sql_where_ands[] = "rtp_audio_in_mos " . $mos_comparison . " ".$mos_score.""; }
 
 	//if not admin or superadmin, only show own calls
 	if (!permission_exists('xml_cdr_domain')) {
@@ -201,6 +230,9 @@ else {
 	$param .= "&remote_media_ip=".$remote_media_ip;
 	$param .= "&network_addr=".$network_addr;
 	$param .= "&bridge_uuid=".$bridge_uuid;
+	$param .= "&mos_comparison=".$mos_comparison;
+	$param .= "&mos_score=".$mos_score;
+
 	if ($_GET['showall'] && permission_exists('xml_cdr_all')) {
 		$param .= "&showall=" . $_GET['showall'];
 	}
@@ -297,6 +329,7 @@ else {
 	else {
 		$sql .= " limit ".$rows_per_page." offset ".$offset." ";
 	}
+	
 	$prep_statement = $db->prepare(check_sql($sql));
 	$prep_statement->execute();
 	$result = $prep_statement->fetchAll(PDO::FETCH_ASSOC);