diff --git a/kamailio/presence-role.cfg b/kamailio/presence-role.cfg
index c80d5f1..0bea9f0 100644
--- a/kamailio/presence-role.cfg
+++ b/kamailio/presence-role.cfg
@@ -69,13 +69,12 @@ modparam("nat_traversal", "keepalive_interval", 45)
 #!ifdef NAT_TRAVERSAL_ROLE
 route[PRESENCE_NAT]
 {
+    force_rport();
     if (client_nat_test("3")) {
-        fix_contact();
+        if(is_first_hop())
+           set_contact_alias();
     }
-
     nat_keepalive();
-    force_rport();
-
 }
 #!endif
 
@@ -89,18 +88,26 @@ route[HANDLE_SUBSCRIBE]
       route(PRESENCE_NAT);
     #!endif
 
+    if (!t_newtran()) {
+        sl_reply_error();
+        exit;
+    }
+
     if(has_totag()) {
         route(HANDLE_RESUBSCRIBE);
     } else {
         route(HANDLE_NEW_SUBSCRIBE);
     }
 
+    t_release();
+
     exit;
 }
 
 route[HANDLE_RESUBSCRIBE]
 {
     loose_route();
+    
     if(handle_subscribe()) {
        if($subs(remote_cseq) < 5) {
           $sht(first=>$subs(callid)) = $null;
@@ -144,6 +151,8 @@ route[HANDLE_NEW_SUBSCRIBE]
             }
         }
 
+        record_route();
+        
         if (handle_subscribe()) {
             route(SUBSCRIBE_AMQP);
             xlog("L_INFO","$ci|end|new $hdr(Event) subscription from $fU to $tU in realm $fd :  $sht(first=>$ci) : $sht(first=>$fU::$tU::$fd::$hdr(Event))\n");