anchor.diff:      %%--------------------------------------------------------------------
       io:format("test: via_sentby/1 - 1~n"),
       {"proto", "host", 1234} = via_sentby(#via{proto="proto", host="host", port=1234}),
  -					 
  -					 
  +
  +
       %% test via_print(Via)
       %%--------------------------------------------------------------------
       ViaPrint1 = #via{proto = "SIP/2.0/UDP",
  
positive.code:     io:format("test: param_to_dict/1 - 1~n"),
      %% test simple case
      [{"foo", "bar"}] = dict:to_list(
  			 sipheader:param_to_dict(["foo=bar"])
  			),
  
      io:format("test: param_to_dict/1 - 1~n"),
      %% test more complicated case - uppercase in key, escaped characters in value and multiple entrys
      ["foo=bAr", "user=ft"] = dict_to_param( sipheader:param_to_dict(["Foo=b%41r", "user=ft"]) ),
  
  
      %% test cseq(Header)
  
negative.code:     io:format("test: build_header_binary/1 - 2~n"),
      %% test multiple values
      [[<<"Via: via1\r\n">>, <<"Via: via2\r\n">>]] = build_header_binary( keylist:from_list([{"Via", ["via1", "via2"]}]) ),
  
      io:format("test: build_header_binary/1 - 3~n"),
      %% test more complex case
  