diff --git a/resources/templates/provision/yealink/vp530/y000000000023.cfg b/resources/templates/provision/yealink/vp530/y000000000023.cfg
index 842f2df46c..d9ff628981 100644
--- a/resources/templates/provision/yealink/vp530/y000000000023.cfg
+++ b/resources/templates/provision/yealink/vp530/y000000000023.cfg
@@ -888,8 +888,8 @@ ldap.ldap_sort = 0
 features.normal_refuse_code = 486
 
 features.call_completion_enable = 0
-features.dnd.on_code =
-features.dnd.off_code =
+features.dnd.on_code = *78
+features.dnd.off_code = *79
 
 #Enable or disable the call waiting feature; 0-Disabled, 1-Enabled (default);
 call_waiting.enable = 1
@@ -949,7 +949,7 @@ features.fullscreen_local_visible = 1
 #Configure the time (in seconds) the phone automatically dial out the dialed digits. It ranges from 1 to 14, the default value is 4.
 phone_setting.inter_digit_time = 4
 
-#Configure the ring tone for the phone. System ring tones are: common (default), Ring1.wav, Ring2.wav¡­¡­Ring8.wav.
+#Configure the ring tone for the phone. System ring tones are: common (default), Ring1.wav, Ring2.wav¡­¡­Ring8.wav.
 #If you set the custom ring tone (Busy.wav) for the phone, the value is: phone_setting.ring_type = Custom:Busy.wav
 #If you set the system ring tone (Ring2.wav) for the phone, the value is: phone_setting.ring_type = Resource:Ring2.wav
 phone_setting.ring_type =