diff --git a/app/yealink/app_config.php b/app/yealink/app_config.php
index 540223c3d6..4c7ef0b61d 100755
--- a/app/yealink/app_config.php
+++ b/app/yealink/app_config.php
@@ -830,5 +830,13 @@
 		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "true";
 		$apps[$x]['default_settings'][$y]['default_setting_description'] = "0-Disabled, 1-Enabled (default). Enable or disable the transferee to display the missed call prompt when receiving a semi_attended transfer call.";
 		$y++;
+		$apps[$x]['default_settings'][$y]['default_setting_uuid'] = "ecff53ed-89aa-4ee6-9f75-60fcdf3f7629";
+		$apps[$x]['default_settings'][$y]['default_setting_category'] = "provision";
+		$apps[$x]['default_settings'][$y]['default_setting_subcategory'] = "yealink_voice_tone_country";
+		$apps[$x]['default_settings'][$y]['default_setting_name'] = "text";
+		$apps[$x]['default_settings'][$y]['default_setting_value'] = "United States";
+		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "false";
+		$apps[$x]['default_settings'][$y]['default_setting_description'] = "For example, United States, France, Germany etc.";
+		$y++;
 
 ?>