fix invite format (#93)

kamailio/default.cfg

@@ -555,6 +555,7 @@ route[PREPARE_INITIAL_REQUESTS]
     if ( is_method("INVITE|MESSAGE|NOTIFY") && isflagset(FLAG_INTERNALLY_SOURCED) && $hdr(X-KAZOO-AOR) != $null && registered("location", "$hdr(X-KAZOO-AOR)")) 
     {
        $avp(kazoo_aor) = $hdr(X-KAZOO-AOR);
+       $avp(kazoo_du) = $xavp(ulrcd=>received);
        xlog("L_INFO", "$ci|end|setting aor avp : AOR : $hdr(X-KAZOO-AOR)");
     };
 
@@ -585,7 +586,8 @@ route[INTERNAL_TO_EXTERNAL_RELAY]
     
     if( $avp(kazoo_aor) != $null)
     {
-       lookup("location", "$avp(kazoo_aor)");       
+#       lookup("location", "$avp(kazoo_aor)");
+       $du = $avp(kazoo_du);
        xlog("L_INFO", "$ci|end|routing to $ruid : AOR : $avp(kazoo_aor)");
     }