anchor.diff:  	 proxy_add_via/4,
   	 standardcopy/2,
   	 get_approximate_msgsize/1,
  +	 set_request_body/2,
  +	 set_response_body/2,
   
   	 test/0
   	]).
  
positive.code: %% Returns : PortString = string()
  %%--------------------------------------------------------------------
  default_port(Proto, none) when Proto == udp; Proto == udp6; Proto == tcp; Proto == tcp6; Proto == "sip" ->
      "5060";
  default_port(Proto, none) when Proto == tls; Proto == tls6 ; Proto == "sips" ->
      "5061";
  default_port(_, Port) when is_integer(Port) ->
      integer_to_list(Port);
  default_port(_, Port) when is_list(Port) ->
      Port.
  
  %%--------------------------------------------------------------------
  
negative.code: 
      io:format("test: add_record_route/2 - 1~n"),
      EmptyHeader = keylist:from_list([]),
      MyIP = siphost:myip(),
  
      RRHeader1 = add_record_route(EmptyHeader, #siporigin{proto=tcp}),
  