diff --git a/resources/templates/provision/yealink/t20p/y000000000007.cfg b/resources/templates/provision/yealink/t20p/y000000000007.cfg
index 100aab0bd4..5e71175047 100644
--- a/resources/templates/provision/yealink/t20p/y000000000007.cfg
+++ b/resources/templates/provision/yealink/t20p/y000000000007.cfg
@@ -1014,7 +1014,7 @@ features.dnd.emergency_enable =
 features.dnd.emergency_authorized_number =
 
 #Enable or disable the call waiting feature; 0-Disabled, 1-Enabled (default);
-call_waiting.enable =
+call_waiting.enable = {$call_waiting}
 
 #Enable or disable the playing of call waiting tone; 0-Disabled, 1-Enabled (default);
 call_waiting.tone =