--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/SDK/Source/GUID-2DC4EAD5-98D3-5B17-AEBD-6ADE481CBD94.dita	Thu Jan 21 18:18:20 2010 +0000
@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License 
+"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: 
+-->
+<!DOCTYPE task
+  PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">
+<task id="GUID-2DC4EAD5-98D3-5B17-AEBD-6ADE481CBD94" xml:lang="en"><title>Call
+in Progress Tutorial</title><shortdesc>This tutorial describes how to get the call progress with the telephony
+API for applications. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>
+<context>The client applications can determine the status of voice, data and
+fax calls with the <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony</apiname></xref> functions.</context>
+
+
+<steps id="GUID-3321492D-D51F-5047-9C62-4E0951726010">
+<step id="GUID-1C4E0B81-25D0-5645-9C85-F2EFAB23BBD8"><cmd/>
+<info>create a new instance of <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony</apiname></xref>  </info>
+</step>
+<step id="GUID-0D3DCBA1-B00C-5EFD-A905-CCF7EE4DFE4C"><cmd/>
+<info>use<xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony::GetIndicator()</apiname></xref> to
+get the call progress information </info>
+<info>The function returns a <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>TIndicatorV1</apiname></xref> object
+that contains the call progress information </info>
+</step>
+<step id="GUID-82FEA69E-58DB-53B2-AD6D-3C7EC5A17BD0"><cmd/>
+<info>pass the enumeration <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony::EGetIndicatorCancel</apiname></xref> to
+cancel the aynchronous request </info>
+</step>
+<step id="GUID-1A45FD91-3793-5322-829F-4498F841E6E2"><cmd/>
+<info>use <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony::EIndicatorChange</apiname></xref> to
+get the notification of any changes in the call progress information </info>
+</step>
+<step id="GUID-780B4933-9C44-50FC-B020-368B5150A05D"><cmd/>
+<info>pass the enumeration <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony::EIndicatorChangeCancel</apiname></xref> to
+cancel the notification request </info>
+</step>
+</steps>
+<example id="GUID-B43C210D-813A-58D6-8ADE-1FEF7C5FBE58"><title>Call in progress
+example</title> <codeblock id="GUID-8A109B25-F01C-5495-A109-E4424DD3A24E" xml:space="preserve">#include &lt;e32base.h&gt;
+#include &lt;Etel3rdParty.h&gt;
+
+class CClientApp : public CActive
+    { 
+
+private:
+    CTelephony* iTelephony;
+    CTelephony::TIndicatorV1 iIndicatorV1;
+    CTelephony::TIndicatorV1Pckg iIndicatorV1Pckg;
+
+public:
+    CClientApp(CTelephony* aTelephony);
+    void SomeFunction();
+
+private:
+    /*
+       These are the pure virtual methods from CActive that  
+       MUST be implemented by all active objects
+       */
+    void RunL();
+    void DoCancel();
+   };
+
+CClientApp::CClientApp(CTelephony* aTelephony)
+    : CActive(EPriorityStandard),
+      iTelephony(aTelephony),
+      iIndicatorV1Pckg(iIndicatorV1)
+    {
+    //default constructor
+    }
+
+void CClientApp::SomeFunction()
+    {
+    iTelephony-&gt;GetIndicator(iStatus, iIndicatorV1Pckg);
+    SetActive();
+    }
+
+void CClientApp::RunL()
+    {
+    if(iStatus==KErrNone)
+       {
+       if(iIndicatorV1.iCapabilities &amp; CTelephony::KIndCallInProgress)
+          {
+          // We can detect when a call is in progress
+          if(iIndicatorV1.iIndicator &amp; CTelephony::KIndCallInProgress)
+             {} // A call is in progress
+          else
+             {} // A call is not in progress
+          }
+       else
+          {} // We do not know whether a call is in progress
+       }
+    }
+
+void CClientApp::DoCancel()
+    {
+    iTelephony-&gt;CancelAsync(CTelephony::EGetIndicatorCancel);
+    }
+</codeblock> </example>
+</taskbody></task>
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