--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/SDK/Source/GUID-FFBD95C6-0B12-5FD7-BA69-89BBFB97F0A1.dita Thu Jan 21 18:18:20 2010 +0000
@@ -0,0 +1,104 @@
+<?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-FFBD95C6-0B12-5FD7-BA69-89BBFB97F0A1" xml:lang="en"><title>Call
+Resume Tutorial </title><shortdesc>This tutorial describes how to resume a call with the telephony
+API for applications. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>
+
+
+<steps id="GUID-43E11818-C05F-53B4-8DCB-7246BAE47AC8">
+<step id="GUID-DF620D49-997B-5780-A7E7-EAD2CBEDBC40"><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-C5296605-2F1B-5084-B34B-F764F358AF27"><cmd/>
+<info>use <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony::GetCallDynamicCaps()</apiname></xref> to
+check if the device supports resume function </info>
+</step>
+<step id="GUID-F93FC655-7405-5BD5-9CA3-A15D09D889B5"><cmd/>
+<info>once a call is on hold, you can resume the call by with <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony::Resume()</apiname></xref>. </info>
+<info>Pass the ID of the call to resume. </info>
+</step>
+<step id="GUID-04EC72AA-318C-5BFE-A8AD-374929229D50"><cmd/>
+<info>pass the enumeration <xref href="GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.dita"><apiname>CTelephony::EResumeCancel</apiname></xref> to
+cancel the asynchronous request </info>
+</step>
+
+
+
+
+
+</steps>
+<example id="GUID-BFF56F2B-E7D7-5CA4-9130-AE4FC768431A"><title>Call resume
+example</title> <codeblock id="GUID-71F14CC1-40DF-5A89-9A6F-D8D31F544FFF" xml:space="preserve">#include <e32base.h>
+#include <Etel3rdParty.h>
+
+class CClientApp : public CActive
+ {
+
+private:
+ CTelephony* iTelephony;
+ CTelephony::TCallId iCallId;
+
+public:
+ CClientApp(CTelephony* aTelephony, CTelephony::TCallId aCallId);
+ TInt 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, CTelephony::TCallId aCallId)
+ : CActive(EPriorityStandard),
+ iTelephony(aTelephony),
+ iCallId(aCallId)
+ {
+ //default constructor
+ }
+
+TInt CClientApp::SomeFunction()
+ {
+ // Check that the phone supports Resuming calls.
+ CTelephony::TCallCapsV1 callCapsV1;
+ CTelephony::TCallCapsV1Pckg callCapsV1Pckg(callCapsV1);
+ iTelephony->GetCallDynamicCaps(iCallId, callCapsV1Pckg);
+
+ if( callCapsV1.iControlCaps & CTelephony::KCapsResume )
+ {
+ // The call represented by 'iCallId' can be resumed
+ iTelephony->Resume(iStatus, iCallId);
+ SetActive();
+ return KErrNone;
+ }
+ else
+ {
+ // The call cannot be resumed;
+ // return an error indicate this.
+ return KErrNotSupported;
+ }
+ }
+
+void CClientApp::RunL()
+ {
+ if(iStatus==KErrNone)
+ {} // The call has been resumed successfully;
+ }
+
+void CClientApp::DoCancel()
+ {
+ iTelephony->CancelAsync(CTelephony::EResumeCancel);
+ }
+</codeblock> </example>
+</taskbody></task>
\ No newline at end of file