diff --git a/app/yealink/app_config.php b/app/yealink/app_config.php
index d4f6695291..1e09562e28 100644
--- a/app/yealink/app_config.php
+++ b/app/yealink/app_config.php
@@ -965,7 +965,7 @@
 		$apps[$x]['default_settings'][$y]['default_setting_name'] = "text";
 		$apps[$x]['default_settings'][$y]['default_setting_value'] = "0";
 		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "true";
-		$apps[$x]['default_settings'][$y]['default_setting_description'] = "Only Accept Trusted Certificates 0-Disabled (default), 1-Enabled, ";
+		$apps[$x]['default_settings'][$y]['default_setting_description'] = "Only Accept Trusted Certificates 0-Disabled (default), 1-Enabled.";
 		$y++;
 		$apps[$x]['default_settings'][$y]['default_setting_uuid'] = "e1d03aea-1563-4c57-86de-4d4d274b8352";
 		$apps[$x]['default_settings'][$y]['default_setting_category'] = "provision";
diff --git a/app/yealink/app_defaults.php b/app/yealink/app_defaults.php
index 5ecfbd223b..f28fc39f2d 100644
--- a/app/yealink/app_defaults.php
+++ b/app/yealink/app_defaults.php
@@ -17,7 +17,7 @@
 
 	The Initial Developer of the Original Code is
 	Mark J Crane <markjcrane@fusionpbx.com>
-	Portions created by the Initial Developer are Copyright (C) 2020
+	Portions created by the Initial Developer are Copyright (C) 2022
 	the Initial Developer. All Rights Reserved.
 
 	Contributor(s):
@@ -26,10 +26,33 @@
 
 //process this only one time
 	if ($domains_processed == 1) {
-		
+
+		//if yealink_trust_certificates is true or false then update to 1 or 0
+		$sql = "select default_setting_uuid, default_setting_value from v_default_settings ";
+		$sql .= "where default_setting_subcategory = 'yealink_trust_certificates' ";
+		$sql .= "and (default_setting_value = 'true' or default_setting_value = 'false');";
+		$database = new database;
+		$row = $database->select($sql, null, 'row');
+		if (is_array($row)) {
+			if ($row['default_setting_value'] == 'false') {
+				$row['default_setting_value'] = '0';
+			}
+			else {
+				$row['default_setting_value'] = '1';
+			}
+			$sql = "update v_default_settings ";
+			$sql .= "set default_setting_value = ".$row['default_setting_value'].",  ";
+			$sql .= "default_setting_description = 'Only Accept Trusted Certificates 0-Disabled (default), 1-Enabled.'  ";
+			$sql .= "where default_setting_uuid = '".$row['default_setting_uuid']."'; ";
+			$database = new database;
+			$database->execute($sql, null);
+			unset($sql);
+		}
+
 		//correct yealink_codec_opus_priority values
 		if ($db_type == 'pgsql') {
-			$sql = "select pg_typeof(default_setting_enabled) from v_default_settings limit 1;";
+			$sql = "select pg_typeof(default_setting_enabled) ";
+			$sql .= "from v_default_settings limit 1;";
 			$database = new database;
 			$enabled_type = $database->select($sql, null, 'column');
 			if ($enabled_type == 'text') {
@@ -42,4 +65,4 @@
 		}
 
 	}
-     
+