diff --git a/resources/templates/provision/grandstream/ht503/{$mac}.xml b/resources/templates/provision/grandstream/ht503/{$mac}.xml
index ed6ca5618b..3421a2f85a 100644
--- a/resources/templates/provision/grandstream/ht503/{$mac}.xml
+++ b/resources/templates/provision/grandstream/ht503/{$mac}.xml
@@ -564,7 +564,7 @@
 <!--  Enable Call Features. 0 - No, 1 - Yes -->
 <!--  Number: 0, 1 -->
 <!--  Mandatory -->
-<P191>1</P191>
+<P191>0</P191>
 
 <!--  Offhook Auto-Dial (User ID/extension to dial automatically when offhook) -->
 <!--  String: 0 to 9, *, # -->