diff --git a/resources/templates/provision/yealink/t48s/{$mac}.cfg b/resources/templates/provision/yealink/t48s/{$mac}.cfg
index 16035fa89b..fa7f30fb90 100644
--- a/resources/templates/provision/yealink/t48s/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t48s/{$mac}.cfg
@@ -327,7 +327,7 @@ account.1.direct_pickup_code =
 ##                            DTMF                                                   ##
 #######################################################################################
 #Configure the DTMF type; 0-INBAND, 1-RFC2833 (default), 2-SIP INFO, 3-AUTO+SIP INFO;
-account.1.dtmf.type =
+account.1.dtmf.type = {$yealink_dtmf_type}
 
 #Configure the DTMF info type when using the SIP INFO; 0-Disabled (default), 1-DTMF-Relay, 2-DTMF, 3-Telephone-Event;
 account.1.dtmf.info_type =