diff --git a/app/yealink/app_config.php b/app/yealink/app_config.php
index 233e2f1617..1708fa8147 100644
--- a/app/yealink/app_config.php
+++ b/app/yealink/app_config.php
@@ -1087,5 +1087,13 @@
 		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "true";
 		$apps[$x]['default_settings'][$y]['default_setting_description'] = "#Configure the time (in seconds) the phone automatically dials out the dialed digits. It ranges from 1 to 14, the default value is 4.";
 		$y++;
+		$apps[$x]['default_settings'][$y]['default_setting_uuid'] = "c02d516f-c5db-4dd6-a756-083fa690a204";
+		$apps[$x]['default_settings'][$y]['default_setting_category'] = "provision";
+		$apps[$x]['default_settings'][$y]['default_setting_subcategory'] = "yealink_dnd_allow";
+		$apps[$x]['default_settings'][$y]['default_setting_name'] = "numeric";
+		$apps[$x]['default_settings'][$y]['default_setting_value'] = "1";
+		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "true";
+		$apps[$x]['default_settings'][$y]['default_setting_description'] = "Set 1 = ON 0 = OFF.";
+		$y++;
 
 ?>