1 <?xml version="1.0" encoding="utf-8"?>

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     7 	Nokia Corporation - initial contribution.

     8 Contributors: 

     9 -->  <!DOCTYPE concept PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"><concept id="GUID-09A4172E-DB54-4ADF-A718-8100154A6031" xml:lang="en"><title>OMA DRM

    10 v2.1</title><prolog><metadata><keywords></keywords></metadata></prolog><conbody>

    11 <p>The following OMA DRM v2.1 features are supported:</p>

    12 <ul>

    13 <li><p>Metering</p><p>Allows the <xref href="GUID-788FCBFA-B4FB-4001-B838-4B59995E2E33.dita">rights

    14 issuer</xref> to collect content usage data. Mostly used in subscription-based

    15 services.</p></li>

    16 <li><p>O4a and O4v media type extensions</p><p>O4a indicates that the media

    17 type of the content object in the <xref href="GUID-1DF3E313-4FBE-495B-8DC7-CF7024C9B929.dita">DRM

    18 content format</xref> is audio. O4v indicates video content.</p></li>

    19 <li><p>WAP binary XML (WBXML) <xref href="GUID-DBB9B5EA-6A15-42A0-9511-96756BAC382F.dita">rights

    20 object  acquisition protocol</xref> (ROAP) trigger</p></li>

    21 </ul>

    22 <p>Use the DRM

    23 CAF Agent API to implement the OMA DRM v2.1 features in applications.</p>

    24 </conbody></concept>