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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Chapter 6. More Dialplan Concepts</title><link rel="stylesheet" href="styles.css" type="text/css" /><meta name="generator" content="DocBook XSL Stylesheets V1.69.1" /><link rel="start" href="index.html" title="Asterisk™: The Future of Telephony" /><link rel="up" href="index.html" title="Asterisk™: The Future of Telephony" /><link rel="prev" href="asterisk-CHP-5-SECT-4.html" title="Conclusion" /><link rel="next" href="asterisk-CHP-6-SECT-1.html" title="Expressions and Variable Manipulation" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 6. More Dialplan Concepts</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="asterisk-CHP-5-SECT-4.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="asterisk-CHP-6-SECT-1.html">Next</a></td></tr></table><hr /></div><div class="chapter" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title"><a id="asterisk-CHP-6"></a>Chapter 6. More Dialplan Concepts</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="asterisk-CHP-6-SECT-1.html">Expressions and Variable Manipulation</a></span></dt><dd><dl><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-1.html#asterisk-CHP-6-SECT-1.1">Basic Expressions</a></span></dt><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-1.html#asterisk-CHP-6-SECT-1.2">Operators</a></span></dt></dl></dd><dt><span class="sect1"><a href="asterisk-CHP-6-SECT-2.html">Dialplan Functions</a></span></dt><dd><dl><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-2.html#asterisk-CHP-6-SECT-2.1">Syntax</a></span></dt><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-2.html#asterisk-CHP-6-SECT-2.2">Examples of Dialplan Functions</a></span></dt></dl></dd><dt><span class="sect1"><a href="asterisk-CHP-6-SECT-3.html">Conditional Branching</a></span></dt><dd><dl><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-3.html#asterisk-CHP-6-SECT-3.1">The GotoIf() Application</a></span></dt><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-3.html#asterisk-CHP-6-SECT-3.2">Time-Based Conditional Branching with GotoIfTime()</a></span></dt></dl></dd><dt><span class="sect1"><a href="asterisk-CHP-6-SECT-4.html">Voicemail</a></span></dt><dd><dl><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-4.html#asterisk-CHP-6-SECT-4.1">Creating Mailboxes</a></span></dt><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-4.html#asterisk-CHP-6-SECT-4.2">Adding Voicemail to the Dialplan</a></span></dt><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-4.html#asterisk-CHP-6-SECT-4.3">Accessing Voicemail</a></span></dt><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-4.html#asterisk-CHP-6-SECT-4.4">Creating a Dial-by-Name Directory</a></span></dt></dl></dd><dt><span class="sect1"><a href="asterisk-CHP-6-SECT-5.html">Macros</a></span></dt><dd><dl><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-5.html#asterisk-CHP-6-SECT-5.1">Defining Macros</a></span></dt><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-5.html#asterisk-CHP-6-SECT-5.2">Calling Macros from the Dialplan</a></span></dt><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-5.html#asterisk-CHP-6-SECT-5.3">Using Arguments in Macros</a></span></dt></dl></dd><dt><span class="sect1"><a href="asterisk-CHP-6-SECT-6.html">Using the Asterisk Database (AstDB)</a></span></dt><dd><dl><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-6.html#asterisk-CHP-6-SECT-6.1">Storing Data in the AstDB</a></span></dt><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-6.html#asterisk-CHP-6-SECT-6.2">Retrieving Data from the AstDB</a></span></dt><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-6.html#asterisk-CHP-6-SECT-6.3">Deleting Data from the AstDB</a></span></dt><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-6.html#asterisk-CHP-6-SECT-6.4">Using the AstDB in the Dialplan</a></span></dt></dl></dd><dt><span class="sect1"><a href="asterisk-CHP-6-SECT-7.html">Handy Asterisk Features</a></span></dt><dd><dl><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-7.html#asterisk-CHP-6-SECT-7.1">Zapateller()</a></span></dt><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-7.html#asterisk-CHP-6-SECT-7.2">Call Parking</a></span></dt><dt><span class="sect2"><a href="asterisk-CHP-6-SECT-7.html#asterisk-CHP-6-SECT-7.3">Conferencing with MeetMe()</a></span></dt></dl></dd><dt><span class="sect1"><a href="asterisk-CHP-6-SECT-8.html">Conclusion</a></span></dt></dl></div><div class="epigraph"><p>For a list of all the ways technology has failed to improve the
    quality of life, please press three.</p><div class="attribution"><span>--<span class="attribution">Alice Kahn</span></span></div></div><p>Alrighty. You’ve got the basics<a id="ch05_dialplanconcepts" class="indexterm"></a> of dialplans down, but you know there’s more to come. If you
  don’t have the last chapter sorted out yet, please go back and give it
  another read. We’re about to get into more advanced topics.</p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="asterisk-CHP-5-SECT-4.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="asterisk-CHP-6-SECT-1.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Conclusion </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> Expressions and Variable Manipulation</td></tr></table></div><div xmlns="" id="svn-footer"><hr /><p>You are reading <em>Asterisk: The Future of Telephony</em> (2nd Edition for Asterisk 1.4), by Jim van Meggelen, Jared Smith, and Leif Madsen.<br />
       This work is licensed under the <a href="http://creativecommons.org/licenses/by-nc-nd/3.0/">Creative Commons Attribution-Noncommercial-No Derivative Works License v3.0</a>.<br />
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