diff -r bc5a64e5bc3c -r 377c906a8701 phoneengine/phoneservices/inc/dtmfservice.h
--- a/phoneengine/phoneservices/inc/dtmfservice.h	Tue Jul 06 14:15:47 2010 +0300
+++ b/phoneengine/phoneservices/inc/dtmfservice.h	Fri Jul 09 15:40:55 2010 +0300
@@ -60,19 +60,29 @@
         If character doesn't match any supported DTMF tone
         it is ignored.
     */
-    void playDTMFTone(const QChar& keyToPlay);
+    int playDTMFTone(const QChar& keyToPlay);
 
     /*!
         \fn stopDTMFPlay()
         
         This method stops playing DTMF tone if it is currently played.
     */
-    void stopDTMFPlay();
+    int stopDTMFPlay();
+
+    
+private:
+    
+    /*!
+        \fn bool hasCapability()
+
+        Checks if the client has the required capabilities
+    */
+    bool hasCapability();
     
     
 private:
     MPECallControlIF &m_call;
-    MPECallSettersIF &m_parameters;    
+    MPECallSettersIF &m_parameters;
 };
 
 #endif // DTMFSERVICE_H