diff --git a/app/xml_cdr/xml_cdr_extension_summary.php b/app/xml_cdr/xml_cdr_extension_summary.php
index 30bb6d2de5..653b120a68 100644
--- a/app/xml_cdr/xml_cdr_extension_summary.php
+++ b/app/xml_cdr/xml_cdr_extension_summary.php
@@ -108,6 +108,14 @@
 	echo "			<b>".$text['title-extension_summary']."</b><br><br>\n";
 	echo "		</td>\n";
 	echo "		<td align='right' width='100%' style='vertical-align: top;'>";
+	echo "		<input type='button' class='btn' value='".$text['button-download_csv']."' ";
+	echo "onclick=\"window.location='xml_cdr_extension_summary.php?";
+	if (strlen($_SERVER["QUERY_STRING"]) > 0) { 
+		echo $_SERVER["QUERY_STRING"]."&csv=true';\">\n";
+	} else { 
+		echo "csv=true';\">\n";
+	}
+
 	if (permission_exists('xml_cdr_all') && $_GET['showall'] != 'true') {
 		echo "		<input type='button' class='btn' value='".$text['button-show_all']."' onclick=\"window.location='xml_cdr_extension_summary.php?showall=true';\">\n";
 	}