<?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 concept
  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
<concept id="GUID-D934C862-C1A9-5C86-A167-85AEB5C3DBED" xml:lang="en"><title>Specifying
the Per-Bearer-Type Transport Buffer Size </title><prolog><metadata><keywords/></metadata></prolog><conbody>
<p>This tutorial explains how to specify a per-bearer-type transport buffer
size for all IMAP accounts. </p>
<note> Before specifying the transport buffer size, see <xref href="GUID-24860917-0FE2-5C8F-B436-96928350996E.dita#GUID-24860917-0FE2-5C8F-B436-96928350996E/GUID-CC4028E7-ECD9-5045-9057-5BC687C3DF3A">Important considerations</xref>.</note>
<section><title>Procedure</title> <ol id="GUID-05BEE7BE-C12F-5BBD-BD31-1693D0E66371">
<li id="GUID-FC969D56-42E3-5174-8C74-D59517D6C3B0"><p>Create an instance of
the <xref href="GUID-A7EF08E6-82AF-3577-B942-ABD532EDB7FE.dita"><apiname>CEmailAccounts</apiname></xref> class. </p> </li>
<li id="GUID-DD10AA0B-A669-5C8D-9578-0BC0C7E0B31C"><p>Create an instance of
the <xref href="GUID-1CB521CD-BD46-37BE-B2BB-4817DFF73D73.dita"><apiname>CImapTransportBufferSizes</apiname></xref> class. </p> </li>
<li id="GUID-1257A295-4631-5D97-AD50-49BE1FD0D99E"><p>Use the <xref href="GUID-1CB521CD-BD46-37BE-B2BB-4817DFF73D73.dita#GUID-1CB521CD-BD46-37BE-B2BB-4817DFF73D73/GUID-5AD33946-6418-3258-944D-4AD9FE6CDCD0"><apiname>CImapTransportBufferSizes::AddSizesL()</apiname></xref> function
to specify the max retrieve request size and the number of retrieve operations
to use. </p> <p> Note: The bearer types for which the preceding settings are
to be used is a bit field, and may specify multiple bearer types. </p> </li>
<li id="GUID-588AD6B0-E11D-5616-A982-4F80E7510018"><p>Store the updated <xref href="GUID-1CB521CD-BD46-37BE-B2BB-4817DFF73D73.dita"><apiname>CImapTransportBufferSizes</apiname></xref> setting
class to central repository (CenRep) using the <xref href="GUID-A7EF08E6-82AF-3577-B942-ABD532EDB7FE.dita#GUID-A7EF08E6-82AF-3577-B942-ABD532EDB7FE/GUID-8C3D1DC0-5EB7-3630-85CB-BDB7AB1FE8DD"><apiname>CEmailAccounts::SaveImapTransportBufferSizesL()</apiname></xref> function. </p> </li>
</ol> </section>
<section><title>See also</title> <p> <xref href="GUID-24860917-0FE2-5C8F-B436-96928350996E.dita">Bearer
Mobility Overview</xref>  </p> </section>
</conbody></concept>