Index: etc/gnugk.ini
--- etc/gnugk.ini.orig
+++ etc/gnugk.ini
@@ -22,7 +22,7 @@ CallSignalPort=1720
 AcceptUnregisteredCalls=0
 DropCallsByReleaseComplete=1
 SupportNATedEndpoints=1
-EnableH46018=1
+;EnableH46018=1
 
 ; enable proxy mode if needed
 [Proxy]