diff --git a/resources/templates/provision/yealink/t58v/{$mac}.cfg b/resources/templates/provision/yealink/t58v/{$mac}.cfg
index 3d5ae85a81..0dc6b71a49 100644
--- a/resources/templates/provision/yealink/t58v/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t58v/{$mac}.cfg
@@ -276,7 +276,7 @@ account.1.codec.ilbc.rtpmap =
 
 account.1.codec.opus.enable = 1
 account.1.codec.opus.priority = {$yealink_codec_1_priority}
-account.1.codec.opus.rtpmap = 
+account.1.codec.opus.rtpmap = 106
 account.1.codec.opus.samplerate = 
 
 account.1.codec.pcmu.enable = 1