diff --git a/core/src/main/java/org/springframework/ws/transport/TransportConstants.java b/core/src/main/java/org/springframework/ws/transport/TransportConstants.java
index 5bb74f73..e452f431 100644
--- a/core/src/main/java/org/springframework/ws/transport/TransportConstants.java
+++ b/core/src/main/java/org/springframework/ws/transport/TransportConstants.java
@@ -36,6 +36,14 @@ public interface TransportConstants {
     /** The "Content-Type" header. */
     String HEADER_CONTENT_TYPE = "Content-Type";
 
-    /** The "SOAPAction" header. */
+    /** The "SOAPAction" header, used in SOAP 1.1. */
     String HEADER_SOAP_ACTION = "SOAPAction";
+
+    /** The "action" parameter, used to set SOAP Actions in SOAP 1.2. */
+    String PARAMETER_ACTION = "action";
+
+    /**
+     * The empty SOAP action value.
+     */
+    String EMPTY_SOAP_ACTION = "\"\"";
 }
diff --git a/core/src/test/java/org/springframework/ws/soap/soap11/AbstractSoap11MessageFactoryTestCase.java b/core/src/test/java/org/springframework/ws/soap/soap11/AbstractSoap11MessageFactoryTestCase.java
index ca1fd971..f4651eca 100644
--- a/core/src/test/java/org/springframework/ws/soap/soap11/AbstractSoap11MessageFactoryTestCase.java
+++ b/core/src/test/java/org/springframework/ws/soap/soap11/AbstractSoap11MessageFactoryTestCase.java
@@ -41,7 +41,7 @@ public abstract class AbstractSoap11MessageFactoryTestCase extends AbstractSoapM
         InputStream is = AbstractSoap11MessageFactoryTestCase.class.getResourceAsStream("soap11.xml");
         Properties headers = new Properties();
         headers.setProperty("Content-Type", "text/xml");
-        String soapAction = "http://springframework.org/spring-ws/Action";
+        String soapAction = "\"http://springframework.org/spring-ws/Action\"";
         headers.setProperty("SOAPAction", soapAction);
         TransportInputStream tis = new MockTransportInputStream(is, headers);
 
diff --git a/core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageFactoryTestCase.java b/core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageFactoryTestCase.java
index 3aa93aa6..d354e05e 100644
--- a/core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageFactoryTestCase.java
+++ b/core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageFactoryTestCase.java
@@ -27,6 +27,7 @@ import org.springframework.ws.soap.SoapMessage;
 import org.springframework.ws.soap.SoapVersion;
 import org.springframework.ws.transport.MockTransportInputStream;
 import org.springframework.ws.transport.TransportInputStream;
+import org.springframework.ws.transport.TransportConstants;
 
 public abstract class AbstractSoap12MessageFactoryTestCase extends AbstractSoapMessageFactoryTestCase {
 
@@ -40,13 +41,15 @@ public abstract class AbstractSoap12MessageFactoryTestCase extends AbstractSoapM
     public void testCreateSoapMessageNoAttachment() throws Exception {
         InputStream is = AbstractSoap12MessageFactoryTestCase.class.getResourceAsStream("soap12.xml");
         final Properties headers = new Properties();
-        headers.setProperty("Content-Type", "application/soap+xml");
+        String soapAction = "\"http://springframework.org/spring-ws/Action\"";
+        headers.setProperty(TransportConstants.HEADER_CONTENT_TYPE, "application/soap+xml; action=" + soapAction);
         TransportInputStream tis = new MockTransportInputStream(is, headers);
 
         WebServiceMessage message = messageFactory.createWebServiceMessage(tis);
         assertTrue("Not a SoapMessage", message instanceof SoapMessage);
         SoapMessage soapMessage = (SoapMessage) message;
         assertEquals("Invalid soap version", SoapVersion.SOAP_12, soapMessage.getVersion());
+        assertEquals("Invalid soap action", soapAction, soapMessage.getSoapAction());
         assertFalse("Message is a XOP pacakge", soapMessage.isXopPackage());
     }
 
diff --git a/core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageTestCase.java b/core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageTestCase.java
index 65450f42..b69245c8 100644
--- a/core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageTestCase.java
+++ b/core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageTestCase.java
@@ -28,6 +28,7 @@ import org.springframework.ws.soap.AbstractSoapMessageTestCase;
 import org.springframework.ws.soap.SoapBody;
 import org.springframework.ws.soap.SoapVersion;
 import org.springframework.ws.transport.MockTransportOutputStream;
+import org.springframework.ws.transport.TransportConstants;
 import org.springframework.xml.transform.StringSource;
 
 public abstract class AbstractSoap12MessageTestCase extends AbstractSoapMessageTestCase {
@@ -48,13 +49,17 @@ public abstract class AbstractSoap12MessageTestCase extends AbstractSoapMessageT
 
         final ByteArrayOutputStream bos = new ByteArrayOutputStream();
         MockTransportOutputStream tos = new MockTransportOutputStream(bos);
+        String soapAction = "http://springframework.org/spring-ws/Action";
+        soapMessage.setSoapAction(soapAction);
         soapMessage.writeTo(tos);
         String result = bos.toString("UTF-8");
         assertXMLEqual(
                 "<Envelope xmlns='http://www.w3.org/2003/05/soap-envelope'><Body><payload xmlns='http://www.springframework.org' /></Body></Envelope>",
                 result);
-        String contentType = (String) tos.getHeaders().get("Content-Type");
+        String contentType = (String) tos.getHeaders().get(TransportConstants.HEADER_CONTENT_TYPE);
         assertTrue("Invalid Content-Type set", contentType.indexOf(SoapVersion.SOAP_12.getContentType()) != -1);
+        assertNull(TransportConstants.HEADER_SOAP_ACTION + " header must not be found", tos.getHeaders().get(TransportConstants.HEADER_SOAP_ACTION));
+        assertTrue("Invalid Content-Type set", contentType.indexOf(soapAction) != -1);
     }
 
     public void testWriteToTransportResponseAttachment() throws Exception {
@@ -69,6 +74,5 @@ public abstract class AbstractSoap12MessageTestCase extends AbstractSoapMessageT
         assertTrue("Content-Type for attachment message does not contains type=\"application/soap+xml\"",
                 contentType.indexOf("type=\"application/soap+xml\"") != -1);
     }
-
-
+    
 }