anchor.diff:  	    BranchBase
       end.
   
  +
   localhostname(Hostname) ->
       util:casegrep(Hostname, sipserver:get_env(myhostnames)).
  
positive.code: 	    []
      end.
  
  %% Function: response/3
  %% Description: Yxa applications must export an response/3 function.
  %% Returns: See XXX
  %%--------------------------------------------------------------------
  response(Response, Origin, LogStr) when record(Response, response), record(Origin, siporigin) ->
      logger:log(normal, "~p ~p - dropping", [Response#response.status, Response#response.reason]),
      true.
  
  packet_check_ok(Header, LogTag) ->
      check_no_unsupported_extension(Header, LogTag).
  
  check_no_unsupported_extension(Header, LogTag) ->
      Require = keylist:fetch("Require", Header),
  
negative.code: 	    throw({siperror, 420, "Bad Extension", [{"Unsupported", Require}]})
      end.
  
  
  get_branch_from_handler(TH) ->
      CallBranch = transactionlayer:get_branch_from_handler(TH),
      case string:rstr(CallBranch, "-UAS") of
  