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    10 <!DOCTYPE concept

    11   PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">

    12 <concept id="GUID-F7B1D8E7-69EF-54E1-97C7-E5957C8399E0" xml:lang="en"><title>Modifying

    13 the Transport Buffer Size Specifications for a Specified Bearer Type</title><shortdesc>This tutorial explains how to modify the transport buffer size

    14 specifications for a specified bearer type. </shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>

    15 <note> Before modifying the transport buffer size specifications for a specified

    16 bearer type, see <xref href="GUID-24860917-0FE2-5C8F-B436-96928350996E.dita#GUID-24860917-0FE2-5C8F-B436-96928350996E/GUID-CC4028E7-ECD9-5045-9057-5BC687C3DF3A">Important

    17 considerations</xref>. </note>

    18 <section><title>Procedure</title> <ol id="GUID-562CDA9C-D697-59D5-9176-BBF704B5C91E">

    19 <li id="GUID-43CCF53F-0682-56C2-A261-77D3CC1B6F14"><p>Create an instance of

    20 the <xref href="GUID-A7EF08E6-82AF-3577-B942-ABD532EDB7FE.dita"><apiname>CEmailAccounts</apiname></xref> class. </p> </li>

    21 <li id="GUID-0D216C37-049E-5303-8DE8-D6326B08A94F"><p>Create an instance of

    22 the <xref href="GUID-1CB521CD-BD46-37BE-B2BB-4817DFF73D73.dita"><apiname>CImapTransportBufferSizes</apiname></xref> class. </p> </li>

    23 <li id="GUID-B79AB772-8000-510E-8F72-DE92BD527B7F"><p>Use the <xref href="GUID-A7EF08E6-82AF-3577-B942-ABD532EDB7FE.dita#GUID-A7EF08E6-82AF-3577-B942-ABD532EDB7FE/GUID-DDE8EB19-CAB9-3AAB-9190-AB2673E53C86"><apiname>CEmailAccounts::LoadImapTransportBufferSizesL()</apiname></xref> function

    24 to populate the <xref href="GUID-1CB521CD-BD46-37BE-B2BB-4817DFF73D73.dita"><apiname>CImapTransportBufferSizes</apiname></xref> class from the

    25 data stored in the central repository (CenRep). </p> </li>

    26 <li id="GUID-C46B529C-448C-57DE-97FD-AF412A51C64F"><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

    27 to specify the max retrieve request size and the number of pipelined retrieve

    28 operations to use. The bearer types for which these settings are to be used

    29 is a bit field, and may specify multiple bearer types. This new setting will

    30 replace the existing settings for the specified bearer types. </p> </li>

    31 <li id="GUID-6F509083-8228-52B0-88D0-2C9D14286524"><p>Use 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

    32 to store the updated <xref href="GUID-1CB521CD-BD46-37BE-B2BB-4817DFF73D73.dita"><apiname>CImapTransportBufferSizes</apiname></xref> setting

    33 class to the CenRep. </p> </li>

    34 </ol> </section>

    35 <section><title>See also</title> <p> <xref href="GUID-24860917-0FE2-5C8F-B436-96928350996E.dita">Bearer

    36 Mobility Overview</xref>  </p> </section>

    37 </conbody></concept>