--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/PDK/Source/GUID-0B743C31-9B99-54A0-AF7B-22AFA823101B.dita	Fri Jan 22 18:26:19 2010 +0000
@@ -0,0 +1,53 @@
+<?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-0B743C31-9B99-54A0-AF7B-22AFA823101B" xml:lang="en"><title>CCBS
+Control Tutorial</title><shortdesc>This tutorial describes how to control the Call Completion to Busy
+Subscriber (CCBS) service in a call. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>
+
+
+<context><p>The GSM network (CCBS) supplementary service repeatedly calls
+a destination that is busy at the time of the initial call attempt. </p></context>
+<steps id="GUID-A8B7D2D6-B926-59A1-9150-B1EB2994180D">
+<step id="GUID-AB31AE15-B06F-5CC8-8590-D688B51FB00A"><cmd>Use <xref href="GUID-7B623041-5DB3-3EF6-AAF4-5AA89B519855.dita"><apiname>RMobileCall::ActivateCCBS()</apiname></xref> to
+activate the CCBS service. </cmd>
+
+<info>This can be used on a call whose call set-up request has failed because
+the remote number is busy, as indicated by its <xref href="GUID-7B623041-5DB3-3EF6-AAF4-5AA89B519855.dita"><apiname>RMobileCall::KCapsActivateCCBS</apiname></xref> capability
+being set. </info>
+</step>
+<step id="GUID-3A482A74-E0D4-5781-AB1E-D604C43E5B18"><cmd>Use <xref href="GUID-7B623041-5DB3-3EF6-AAF4-5AA89B519855.dita"><apiname>RMobileCall::RejectCCBS()</apiname></xref> to
+specify that CCBS is not required on a failed call setup. </cmd>
+
+<info>The TSY can tell the network that CCBS is not used and the network can
+stop all the related timers. If this function is not used, the CCBS eventually
+times out. </info>
+</step>
+<step id="GUID-667C904F-16A4-5FE1-85C2-DF73B1648D07"><cmd>Use <xref href="GUID-7B623041-5DB3-3EF6-AAF4-5AA89B519855.dita"><apiname>RMobilePhone::NotifyCCBSStatusChange()</apiname></xref> to
+detect when the remote number becomes free if the CCBS is active. </cmd>
+</step>
+<step id="GUID-B743B892-1F1C-5C11-BB30-02929765C490"><cmd>Use <xref href="GUID-7B623041-5DB3-3EF6-AAF4-5AA89B519855.dita"><apiname>RMobilePhone::AcceptCCBSRecall()</apiname></xref> to
+call the remote number. </cmd>
+</step>
+<step id="GUID-D20D9377-5C7B-52C1-BC79-481995D6327E"><cmd>Do not post the <xref href="GUID-7B623041-5DB3-3EF6-AAF4-5AA89B519855.dita"><apiname>RMobilePhone::NotifyCCBSStatusChange()</apiname></xref> request
+until <xref href="GUID-7B623041-5DB3-3EF6-AAF4-5AA89B519855.dita"><apiname>RMobileCall::ActivateCCBS()</apiname></xref> is
+complete. </cmd>
+</step>
+<step id="GUID-71DD0A43-5D71-5D1E-A606-F3669E2D27CA"><cmd>Use <xref href="GUID-7B623041-5DB3-3EF6-AAF4-5AA89B519855.dita"><apiname>RMobilePhone::DeactivateCCBS()</apiname></xref> to
+deactivate a previously activated CCBS request. </cmd>
+</step>
+</steps>
+<result><p>Note that status information for CCBS requests is provided by <xref href="GUID-AA81AFA4-6FAC-3B0D-A082-BE0AEC58CCA8.dita"><apiname>RMobilePhone</apiname></xref>.
+ </p></result>
+</taskbody><related-links>
+<link href="GUID-E2AF923A-D796-5DA9-B678-C6E2ABF7A6CC.dita"><linktext>Call Completion
+to Busy Subscriber                 Tutorial</linktext></link>
+</related-links></task>
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