anchor.diff:  %%
   %% CANCEL
   %%
  -request(#request{method="CANCEL"}=Request, Origin, LogStr) when is_record(Origin, siporigin) ->
  -    case local:get_user_with_contact(Request#request.uri) of
  -	none ->
  -	    logger:log(debug, "Appserver: ~s -> CANCEL not matching any existing transaction received, "
  -		       "answer 481 Call/Transaction Does Not Exist", [LogStr]),
  -	    transactionlayer:send_response_request(Request, 481, "Call/Transaction Does Not Exist");
  -	SIPuser ->
  -	    logger:log(normal, "Appserver: ~s -> Forwarding CANCEL not matching any known transaction (SIP user ~p)",
  -		       [LogStr, SIPuser]),
  -	    Dst =
  -		case keylist:fetch('route', Request#request.header) of
  -		    [] ->
  -			ApproxMsgSize = siprequest:get_approximate_msgsize(Request),
  -			URI = Request#request.uri,
  -			sipdst:url_to_dstlist(URI, ApproxMsgSize, URI);
  -		    _Route ->
  -			route
  -		end,
  -	    THandler = transactionlayer:get_handler_for_request(Request),
  -	    sippipe:start(THandler, none, Request, Dst, ?SIPPIPE_TIMEOUT)
  -    end,
  -    ok;
  +request(#request{method = "CANCEL"} = Request, Origin, LogStr) when is_record(Origin, siporigin) ->
  +    logger:log(debug, "Appserver: ~s -> CANCEL not matching any existing transaction received, "
  +	       "answer 481 Call/Transaction Does Not Exist", [LogStr]),
  +    transactionlayer:send_response_request(Request, 481, "Call/Transaction Does Not Exist");
   
   %%
   %% Anything but REGISTER, ACK and CANCEL
  
positive.code: %%
  %% REGISTER
  %%
  request(#request{method="REGISTER"}=Request, Origin, LogStr) when is_record(Origin, siporigin) ->
      logger:log(normal, "Appserver: ~s Method not applicable here -> 403 Forbidden", [LogStr]),
      transactionlayer:send_response_request(Request, 403, "Forbidden"),
      ok;
  
negative.code: %%
  %% ACK
  %%
  request(#request{method = "ACK"} = Request, Origin, LogStr) when is_record(Origin, siporigin) ->
      case local:get_user_with_contact(Request#request.uri) of
  	none ->
  	    logger:log(normal, "Appserver: ~s -> Forwarding ACK statelessly (unknown SIP user)",
  