diff --git a/resources/templates/provision/yealink/t28p/y000000000000.cfg b/resources/templates/provision/yealink/t28p/y000000000000.cfg
index 6e374de58b..5333649b74 100644
--- a/resources/templates/provision/yealink/t28p/y000000000000.cfg
+++ b/resources/templates/provision/yealink/t28p/y000000000000.cfg
@@ -287,7 +287,7 @@ redirect.enable =
 
 #Enable or disable the transferee to display the missed call prompt when receiving a semi_attended transfer call;
 #0-Disabled, 1-Enabled (default);
-transfer.semi_attend_tran_enable =
+transfer.semi_attend_tran_enable = {$yealink_transfer_semi_attended}
 
 #Enable or disable the phone to complete the blind or attended transfer through on-hook;
 #0-Disabled,1-Enabled(default);