anchor.diff:  filter_naptr([H | Rest], Flag, Service) when record(H, naptrrecord), H#naptrrecord.replacement /= "" ->
       logger:log(debug, "Resolver: Skipping domain NAPTR because replacement is not empty : ~p", [H]),
       filter_naptr(Rest, Flag, Service).
  +
  +
  +%%====================================================================
  +%% Test functions
  +%%====================================================================
  +
  +%%--------------------------------------------------------------------
  +%% Function: test()
  +%% Descrip.: autotest callback
  +%% Returns : ok
  +%%--------------------------------------------------------------------
  +test() ->
  +
  +    ok.
  
positive.code: 		_ ->
  		    V6List
  	    end;
  	V4List when list(V4List) ->
  	    lists:append(V6List, V4List)
      end.
  
  
negative.code: %%              Port may also be 'none'.
  %% Returns: HostPortList
  %%--------------------------------------------------------------------
  get_ip_port(Host, Port) when is_integer(Port) ; Port == none ->
      V6List = case sipserver:get_env(enable_v6, true) of
  		 true ->
  		     case get_ip_port2(inet6, Host, Port) of
  			 {error, _} ->
  			     %% Ignore v6 errors (they are logged in get_ip_port2 though)
  