diff --git a/app/grandstream/app_config.php b/app/grandstream/app_config.php
index 1cad74c10e..5c6b207d5c 100644
--- a/app/grandstream/app_config.php
+++ b/app/grandstream/app_config.php
@@ -533,7 +533,7 @@
 		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "true";
 		$apps[$x]['default_settings'][$y]['default_setting_description'] = "Also use grandstream_distinctive_ringtone_name_2 -1 - No Ringtone, 0 - system ring tone, 1 - custom ring tone 1, 2 - custom ring tone 2, 3 - custom ring tone 3, 4 - silent, 5 - Default Ringtone.";
 		$y++;
-		$apps[$x]['default_settings'][$y]['default_setting_uuid'] = "0391daad-029b-413a-891f-4014d3f7cd0";
+		$apps[$x]['default_settings'][$y]['default_setting_uuid'] = "ff646a6f-bde7-4804-831e-392dfab22c4c";
 		$apps[$x]['default_settings'][$y]['default_setting_category'] = "provision";
 		$apps[$x]['default_settings'][$y]['default_setting_subcategory'] = "grandstream_distinctive_ringtone_3";
 		$apps[$x]['default_settings'][$y]['default_setting_name'] = "numeric";
@@ -589,7 +589,7 @@
 		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "false";
 		$apps[$x]['default_settings'][$y]['default_setting_description'] = "Also use grandstream_distinctive_ringtone_name_9 -1 - No Ringtone, 0 - system ring tone, 1 - custom ring tone 1, 2 - custom ring tone 2, 3 - custom ring tone 3, 4 - silent, 5 - Default Ringtone.";
 		$y++;
-		$apps[$x]['default_settings'][$y]['default_setting_uuid'] = "655447f1-e969-4885-b3da-28889b531568";
+		$apps[$x]['default_settings'][$y]['default_setting_uuid'] = "8a0f19ed-7648-4e16-b92b-49d2844b3968";
 		$apps[$x]['default_settings'][$y]['default_setting_category'] = "provision";
 		$apps[$x]['default_settings'][$y]['default_setting_subcategory'] = "grandstream_distinctive_ringtone_10";
 		$apps[$x]['default_settings'][$y]['default_setting_name'] = "numeric";