diff --git a/resources/templates/provision/yealink/t29g/{$mac}.cfg b/resources/templates/provision/yealink/t29g/{$mac}.cfg
index b62071f0b4..f924db84ba 100644
--- a/resources/templates/provision/yealink/t29g/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t29g/{$mac}.cfg
@@ -287,7 +287,7 @@ account.1.codec.12.rtpmap = 3
 ##                            Audio Advanced                                         ##
 #######################################################################################
 #Specify whether to encrypt the SIP messages; 0-Disabled (default), 1-Forced, 2-Negotiated;
-account.1.srtp_encryption =
+account.1.srtp_encryption = {$yealink_srtp_encryption}
 
 #Configure the RTP packet time. The valid values are 0 (Disabled), 10, 20 (default), 30, 40, 50, 60.
 account.1.ptime =