diff --git a/actionwebservice/lib/action_web_service/scaffolding.rb b/actionwebservice/lib/action_web_service/scaffolding.rb
index 3978a6ab489320336735d35d7501adfb8c3afa0d..aad15a09799e558a07d54a36887c31065a988382 100644
--- a/actionwebservice/lib/action_web_service/scaffolding.rb
+++ b/actionwebservice/lib/action_web_service/scaffolding.rb
@@ -63,22 +63,23 @@ def #{action_name}_submit
               protocol_name = @params['protocol'] ? @params['protocol'].to_sym : :soap
               case protocol_name
               when :soap
-                protocol = Protocol::Soap::SoapProtocol.new
+                @protocol = Protocol::Soap::SoapProtocol.new
               when :xmlrpc
-                protocol = Protocol::XmlRpc::XmlRpcProtocol.new
+                @protocol = Protocol::XmlRpc::XmlRpcProtocol.new
               end
               @invocation_cgi = @request.respond_to?(:cgi) ? @request.cgi : nil
               bm = Benchmark.measure do
-                protocol.register_api(@scaffold_service.api)
+                @protocol.register_api(@scaffold_service.api)
                 params = @params['method_params'] ? @params['method_params'].dup : nil
                 params = @scaffold_method.cast_expects(params)
-                @method_request_xml = protocol.encode_request(@scaffold_method.public_name, params, @scaffold_method.expects)
-                new_request = protocol.encode_action_pack_request(@scaffold_service.name, @scaffold_method.public_name, @method_request_xml)
-                new_request.parameters.update(@request.parameters)
+                method_name = public_method_name(@scaffold_service.name, @scaffold_method.public_name)
+                @method_request_xml = @protocol.encode_request(method_name, params, @scaffold_method.expects)
+                new_request = @protocol.encode_action_pack_request(@scaffold_service.name, @scaffold_method.public_name, @method_request_xml)
+                prepare_request(new_request, @scaffold_service.name, @scaffold_method.public_name)
                 @request = new_request
                 dispatch_web_service_request
                 @method_response_xml = @response.body
-                method_name, obj = protocol.decode_response(@method_response_xml)
+                method_name, obj = @protocol.decode_response(@method_response_xml)
                 return if handle_invocation_exception(obj)
                 @method_return_value = @scaffold_method.cast_returns(obj)
               end
@@ -123,6 +124,21 @@ def reset_invocation_response
               @performed_render = false
             end
 
+            def public_method_name(service_name, method_name)
+              if web_service_dispatching_mode == :layered && @protocol.is_a?(ActionWebService::Protocol::XmlRpc::XmlRpcProtocol)
+                service_name + '.' + method_name
+              else
+                method_name
+              end
+            end
+
+            def prepare_request(request, service_name, method_name)
+              request.parameters.update(@request.parameters)
+              if web_service_dispatching_mode == :layered && @protocol.is_a?(ActionWebService::Protocol::Soap::SoapProtocol)
+                request.env['HTTP_SOAPACTION'] = "/\#{controller_name()}/\#{service_name}/\#{method_name}"
+              end
+            end
+
             def handle_invocation_exception(obj)
               exception = nil
               if obj.respond_to?(:detail) && obj.detail.respond_to?(:cause) && obj.detail.cause.is_a?(Exception)
diff --git a/actionwebservice/lib/action_web_service/templates/scaffolds/parameters.rhtml b/actionwebservice/lib/action_web_service/templates/scaffolds/parameters.rhtml
index f06b0986b4c6d2491347a76988b970ce613610d1..e7b5f47f03a0809a85f0fa98716313048fe0c6eb 100644
--- a/actionwebservice/lib/action_web_service/templates/scaffolds/parameters.rhtml
+++ b/actionwebservice/lib/action_web_service/templates/scaffolds/parameters.rhtml
@@ -9,6 +9,8 @@
 <%= select_tag 'protocol', options_for_select([['SOAP', 'soap'], ['XML-RPC', 'xmlrpc']], @params['protocol']) %>
 </p>
 
+<% if @scaffold_method.expects %>
+
 <strong>Method Parameters:</strong><br />
 <% @scaffold_method.expects.each do |type| %>
   <p>
@@ -17,6 +19,8 @@
   </p>
 <% end %>
 
+<% end %>
+
 <%= submit_tag "Invoke" %>
 
 <p>