anchor.diff:  send_to_available_dst([], Request, ViaParam, SrvTHandler) when record(Request, request) ->
       Line1 = Request#request.method ++ " " ++ sipurl:print(Request#request.uri) ++ " SIP/2.0",
       lists:flatten(Message = Line1 ++ "\r\n" ++ sipheader:build_header(Request#request.header) ++ "\r\n" ++ Request#request.body),
  -    logger:log(debug, "Failed sending request (my Via not added, original URI shown) :~n~s", [Message]),
  +    logger:log(debug, "Siprequest (transport layer) : Failed sending request (my Via not added, original URI shown) :~n~s", [Message]),
       {senderror, "failed"};
   send_to_available_dst([Dst | DstT], Request, ViaParam, SrvTHandler) when record(Dst, sipdst), record(Request, request) ->
       IP = Dst#sipdst.addr,
  
positive.code:     DestStr = sipdst:dst2str(Dst),
      case sipsocket:get_socket(SocketModule, Proto, IP, Port) of
  	{error, What} ->
  	    logger:log(debug, "Failed to get ~p socket (~s:~p) for ~s : ~p", [Proto, IP, Port, DestStr, What]),
  	    %% try next
  	    send_to_available_dst(DstT, Request, ViaParam, SrvTHandler);
  	SipSocket when record(SipSocket, sipsocket) ->
  
negative.code: 		    "z9hG4bK-yxa-" ++ make_base64_md5_token(In)
  	    end;
  	_ ->
  	    logger:log(error, "Siprequets (transport layer) : Can't generate stateless branch for this request, it has no top Via!"),
  	    error
      end.
  
  