Turn off directmedia and directrtpsetup

sip.conf

@@ -1054,7 +1054,7 @@ registerattempts=0            ; Number of registration attempts before we give u
                                 ; the option in this situation helps to prevent potential glares.
                                 ; Setting this option implies 'yes'.
 
-;directrtpsetup=yes             ; Enable the new experimental direct RTP setup. This sets up
+directrtpsetup=no               ; Enable the new experimental direct RTP setup. This sets up
                                 ; the call directly with media peer-2-peer without re-invites.
                                 ; Will not work for video and cases where the callee sends
                                 ; RTP payloads and fmtp headers in the 200 OK that does not match the
@@ -1630,8 +1630,7 @@ context=from-eventphone
 qualify=yes
 disallow=all
 allow=alaw
-direct-media=no
-canrewrite=no
+directmedia=no
 dtmfmode=rfc2833
 insecure=invite,port
 qualify=yes
@@ -1645,8 +1644,7 @@ context=from-eventphone
 qualify=yes
 disallow=all
 allow=alaw
-direct-media=no
-canrewrite=no
+directmedia=no
 dtmfmode=rfc2833
 insecure=invite,port
 qualify=yes