diff --git a/resources/templates/provision/yealink/t28p/y000000000000.cfg b/resources/templates/provision/yealink/t28p/y000000000000.cfg
index 9c5269f58e..0e4505153f 100644
--- a/resources/templates/provision/yealink/t28p/y000000000000.cfg
+++ b/resources/templates/provision/yealink/t28p/y000000000000.cfg
@@ -590,7 +590,7 @@ programablekey.1.history_type =
 programablekey.1.label =
 
 ##########################################################################################
-##         	              Expansion Key   £¨For T38G only£©                             ##
+##         	              Expansion Key   £¨For T38G only£©                             ##
 ##########################################################################################
 #X ranges from 1 to 6, Y ranges from 1 to 39.
 #expansion_module.x.key.y.type = 37 (Switch by default)
@@ -656,8 +656,8 @@ action_url.on_hook =
 action_url.incoming_call =
 action_url.outgoing_call =
 action_url.call_established =
-action_url.dnd_on =
-action_url.dnd_off =
+action_url.dnd_on = *78
+action_url.dnd_off = *79
 action_url.always_fwd_on =
 action_url.always_fwd_off =
 action_url.busy_fwd_on =
@@ -1114,7 +1114,7 @@ phone_setting.lock =
 phone_setting.phone_lock.unlock_pin =
 phone_setting.phone_lock.lock_time_out =
 
-#Configure the ring tone for the phone. System ring tones are: Ring1.wav (default), Ring2.wav¡­¡­Ring8.wav.
+#Configure the ring tone for the phone. System ring tones are: Ring1.wav (default), Ring2.wav¡­¡­Ring8.wav.
 #You can configure the custom ring tone (Busy.wav) for the phone, the value is: phone_setting.ring_type = Busy.wav
 phone_setting.ring_type =