fail sooner for tcp/tls registrations

kamailio/default.cfg

@@ -850,6 +850,7 @@ route[ROUTE_TO_AOR]
     }
 
     xlog("L_INFO", "$ci|log|using AOR $hdr(X-KAZOO-AOR)\n");
+    set_forward_no_connect();
     if ($hdr(X-KAZOO-INVITE-FORMAT) == "contact") {
        if(lookup("location", "$hdr(X-KAZOO-AOR)") > 0){
           xlog("L_INFO", "$ci|end|routing to contact $ru\n");