diff --git a/libs/ysip/transaction.cpp b/libs/ysip/transaction.cpp
index 8753237e..c34c8395 100644
--- a/libs/ysip/transaction.cpp
+++ b/libs/ysip/transaction.cpp
@@ -507,11 +507,16 @@ SIPTransaction::Processed SIPTransaction::processMessage(SIPMessage* message, co
 	}
     }
 
+    processMessage(message);
+    return Matched;
+}
+
+void SIPTransaction::processMessage(SIPMessage* message)
+{
     if (isOutgoing())
 	processClientMessage(message,m_state);
     else
 	processServerMessage(message,m_state);
-    return Matched;
 }
 
 void SIPTransaction::processClientMessage(SIPMessage* message, int state)
diff --git a/libs/ysip/yatesip.h b/libs/ysip/yatesip.h
index a296360f..044e856a 100644
--- a/libs/ysip/yatesip.h
+++ b/libs/ysip/yatesip.h
@@ -622,13 +622,20 @@ public:
     /**
      * Check if a message belongs to this transaction and process it if so
      * @param message A pointer to the message to check, should not be used
-     *  afterwards if this method returned True
+     *  afterwards if this method returned Matched
      * @param branch The branch parameter extracted from first Via header
      * @return Matched if the message was handled by this transaction, in
      *  which case it takes ownership over the message
      */
     virtual Processed processMessage(SIPMessage* message, const String& branch);
 
+    /**
+     * Process a message belonging to this transaction
+     * @param message A pointer to the message to process, the caller must
+     *  make sure it belongs to this transaction
+     */
+    virtual void processMessage(SIPMessage* message);
+
     /**
      * Get an event for this transaction if any is available.
      * It provides default handling for invalid states, otherwise calls