diff -r 40a3f856b14d -r 41a7f70b3818 phoneengine/phoneservices/src/dtmfservice.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phoneengine/phoneservices/src/dtmfservice.cpp	Tue Aug 31 15:14:29 2010 +0300
@@ -0,0 +1,70 @@
+/*!
+* Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  DTMF API to be used through Qt Highway.
+*
+*/
+
+#include <xqserviceutil.h>
+#include <e32base.h>
+#include "dtmfservice.h"
+#include "qtphonelog.h"
+
+DTMFService::DTMFService(
+    MPECallControlIF &call, 
+    MPECallSettersIF &parameters, 
+    QObject* parent) 
+    : 
+    XQServiceProvider(
+        QLatin1String("phoneui.com.nokia.symbian.IDtmfPlay"), parent), 
+    m_call(call), 
+    m_parameters(parameters)
+{
+    publishAll();
+}
+
+DTMFService::~DTMFService()
+{
+}
+
+int DTMFService::playDTMFTone(const QChar& keyToPlay)
+{
+    PHONE_TRACE2("keyToPlay:", keyToPlay);
+    if (!hasCapability()) {
+        return;
+    }
+    m_parameters.SetKeyCode(keyToPlay.unicode());
+    TRAPD(ret, m_call.HandlePlayDTMFL() );
+    return ret;
+}
+
+int DTMFService::stopDTMFPlay()
+{
+    PHONE_TRACE;
+    if (!hasCapability()) {
+        return;
+    }
+    return m_call.HandleEndDTMF(); 
+}
+
+bool DTMFService::hasCapability()
+{
+    XQRequestInfo req = requestInfo();
+    QSet<int> caps = req.clientCapabilities();
+    if (!caps.contains(ECapabilityNetworkServices)) {
+        PHONE_TRACE1("NetworkServices capability missing");
+        return false;
+	}
+	return true;
+}
+