<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html xmlns:fn="http://www.w3.org/2005/02/xpath-functions"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <link rel="stylesheet" href="../../../../doc/otp_doc.css" type="text/css"> <title>Erlang -- Megaco/H.248 Users Guide</title> </head> <body bgcolor="white" text="#000000" link="#0000ff" vlink="#ff00ff" alink="#ff0000"><div id="container"> <script id="js" type="text/javascript" language="JavaScript" src="../../../../doc/js/flipmenu/flipmenu.js"></script><script id="js2" type="text/javascript" src="../../../../doc/js/erlresolvelinks.js"></script><script language="JavaScript" type="text/javascript"> <!-- function getWinHeight() { var myHeight = 0; if( typeof( window.innerHeight ) == 'number' ) { //Non-IE myHeight = window.innerHeight; } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) { //IE 6+ in 'standards compliant mode' 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href="../../../../doc/index.html">Top</a></small><p><strong>Megaco/H.248</strong><br><strong>User's Guide</strong><br><small>Version 3.16.0.2</small></p> <br><a href="javascript:openAllFlips()">Expand All</a><br><a href="javascript:closeAllFlips()">Contract All</a><p><small><strong>Chapters</strong></small></p> <ul class="flipMenu" imagepath="../../../../doc/js/flipmenu"> <li id="no" title="Introduction" expanded="false">Introduction<ul> <li><a href="megaco_intro.html"> Top of chapter </a></li> <li title="Scope and Purpose"><a href="megaco_intro.html#idp937408">Scope and Purpose</a></li> <li title="Prerequisites"><a href="megaco_intro.html#idp666464">Prerequisites</a></li> <li title="About This Manual"><a href="megaco_intro.html#idp661200">About This Manual</a></li> <li title="Where to Find More Information"><a href="megaco_intro.html#idp813232">Where to Find More Information</a></li> </ul> </li> <li id="no" title="Architecture" expanded="false">Architecture<ul> <li><a href="megaco_architecture.html"> Top of chapter </a></li> <li title="Network view"><a href="megaco_architecture.html#idp920720">Network view</a></li> <li title="General"><a href="megaco_architecture.html#idp751680">General</a></li> <li title="Single node config"><a href="megaco_architecture.html#idp927712">Single node config</a></li> <li title="Distributed config"><a href="megaco_architecture.html#idp556240">Distributed config</a></li> <li title="Message round-trip call flow"><a href="megaco_architecture.html#idm39808">Message round-trip call flow</a></li> </ul> </li> <li id="no" title="Running the stack" expanded="false">Running the stack<ul> <li><a href="megaco_run.html"> Top of chapter </a></li> <li title="Starting"><a href="megaco_run.html#idp300736">Starting</a></li> <li title="MGC startup call flow"><a href="megaco_run.html#idm45888">MGC startup call flow</a></li> <li title="MG startup call flow"><a href="megaco_run.html#idp675264">MG startup call flow</a></li> <li title="Configuring the Megaco stack"><a href="megaco_run.html#idp822624">Configuring the Megaco stack</a></li> <li title="Initial configuration"><a href="megaco_run.html#idm63984">Initial configuration</a></li> <li title="Changing the configuration"><a href="megaco_run.html#idp994624">Changing the configuration</a></li> <li title="The transaction sender"><a href="megaco_run.html#idp997792">The transaction sender</a></li> <li title="Segmentation of transaction replies"><a href="megaco_run.html#idp620160">Segmentation of transaction replies</a></li> </ul> </li> <li id="no" title="Internal form and its encodings" expanded="false">Internal form and its encodings<ul> <li><a href="megaco_encode.html"> Top of chapter </a></li> <li title="Internal form of messages"><a href="megaco_encode.html#idp644432">Internal form of messages</a></li> <li title="The different encodings"><a href="megaco_encode.html#idp658112">The different encodings</a></li> <li title="Configuration of Erlang distribution encoding module"><a href="megaco_encode.html#idp889424">Configuration of Erlang distribution encoding module</a></li> <li title="Configuration of text encoding module(s)"><a href="megaco_encode.html#idp898976">Configuration of text encoding module(s)</a></li> <li title="Configuration of binary encoding module(s)"><a href="megaco_encode.html#idp1035328">Configuration of binary encoding module(s)</a></li> <li title="Handling megaco versions"><a href="megaco_encode.html#idp1047888">Handling megaco versions</a></li> <li title="Encoder callback functions"><a href="megaco_encode.html#idp1077680">Encoder callback functions</a></li> </ul> </li> <li id="no" title="Transport mechanisms" expanded="false">Transport mechanisms<ul> <li><a href="megaco_transport_mechanisms.html"> Top of chapter </a></li> <li title="Callback interface"><a href="megaco_transport_mechanisms.html#idp1088080">Callback interface</a></li> <li title="Examples"><a href="megaco_transport_mechanisms.html#idp1096400">Examples</a></li> </ul> </li> <li id="no" title="Implementation examples" expanded="false">Implementation examples<ul> <li><a href="megaco_examples.html"> Top of chapter </a></li> <li title="A simple Media Gateway Controller"><a href="megaco_examples.html#idp1107152">A simple Media Gateway Controller</a></li> <li title="A simple Media Gateway"><a href="megaco_examples.html#idp1112912">A simple Media Gateway</a></li> </ul> </li> <li id="no" title="Megaco mib" expanded="false">Megaco mib<ul> <li><a href="megaco_mib.html"> Top of chapter </a></li> <li title="Intro"><a href="megaco_mib.html#idp1127104">Intro</a></li> <li title="Statistics counters"><a href="megaco_mib.html#idp1130128">Statistics counters</a></li> <li title="Distribution"><a href="megaco_mib.html#idp1134448">Distribution</a></li> </ul> </li> <li id="no" title="Performance comparison" expanded="false">Performance comparison<ul> <li><a href="megaco_performance.html"> Top of chapter </a></li> <li title="Comparison of encoder/decoders"><a href="megaco_performance.html#idp1143840">Comparison of encoder/decoders</a></li> <li title="System performance characteristics"><a href="megaco_performance.html#idp1243616">System performance characteristics</a></li> <li title="Description of encoders/decoders"><a href="megaco_performance.html#idp1248064">Description of encoders/decoders</a></li> <li title="Setup"><a href="megaco_performance.html#idp1261232">Setup</a></li> <li title="Summary"><a href="megaco_performance.html#idp1262832">Summary</a></li> </ul> </li> <li id="no" title="Testing and tools" expanded="false">Testing and tools<ul> <li><a href="megaco_debug.html"> Top of chapter </a></li> <li title="Tracing"><a href="megaco_debug.html#idp1278320">Tracing</a></li> <li title="Measurement and transformation"><a href="megaco_debug.html#idp1283696">Measurement and transformation</a></li> </ul> </li> </ul> </div></div> <div id="content"> <div class="innertube"> <div class="frontpage"></div> <center><h1>Megaco/H.248 User's Guide</h1></center> <center><h4>Version 3.16.0.2</h4></center> <center><h4>March 2 2013</h4></center> </div> <div class="footer"> <hr> <p>Copyright © 2000-2013 Ericsson AB. 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