diff --git a/resources/templates/provision/yealink/t49g/y000000000051.cfg b/resources/templates/provision/yealink/t49g/y000000000051.cfg
index b05f460806..8676f9bd24 100644
--- a/resources/templates/provision/yealink/t49g/y000000000051.cfg
+++ b/resources/templates/provision/yealink/t49g/y000000000051.cfg
@@ -1399,7 +1399,7 @@ distinctive_ring_tones.alert_info.10.ringer = {$yealink_ring_file_10}
 #Enable or disable the call waiting feature; 0-Disabled, 1-Enabled (default);
 call_waiting.enable = {$yealink_call_waiting}
 #Enable or disable the playing of call waiting tone; 0-Disabled, 1-Enabled (default);
-call_waiting.tone =
+call_waiting.tone = {$yealink_call_waiting_tone}
 
 call_waiting.on_code =
 call_waiting.off_code =