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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>alsa.conf</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="asterisk-APP-D.html" title="Appendix D. Configuration Files" /><link rel="prev" href="asterisk-APP-D-SECT-5.html" title="alarmreceiver.conf" /><link rel="next" href="I_sect1_tt2617.html" title="amd.conf" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">alsa.conf</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="asterisk-APP-D-SECT-5.html">Prev</a> </td><th width="60%" align="center">Appendix D. Configuration Files</th><td width="20%" align="right"> <a accesskey="n" href="I_sect1_tt2617.html">Next</a></td></tr></table><hr /></div><div class="sect1" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="asterisk-APP-D-SECT-6"></a>alsa.conf</h2></div></div></div><p><a id="I_indexterm_tt2616" class="indexterm"></a>The <span class="emphasis"><em>alsa.conf</em></span> file is used to configure
Asterisk to use the Advanced Linux Sound Architecture (ALSA) to provide
access to a sound card, if desired. You can use this file to configure the
CONSOLE channel, which is most commonly used to create an overhead paging
system (although, as with any other channel, there are all kinds of
creative ways this can be used). Keep in mind that the usefulness of the
ALSA channel by itself is limited due to its lack of a user
interface.<sup>[<a id="asterisk-APP-D-FN-5" href="#ftn.asterisk-APP-D-FN-5">165</a>]</sup></p><div class="footnotes"><br /><hr width="100" align="left" /><div class="footnote"><p><sup>[<a id="ftn.asterisk-APP-D-FN-5" href="#asterisk-APP-D-FN-5">165</a>] </sup>Yes, we are aware that the user interface to the channel
interface is the Asterisk CLI; however, this is not usable as a
telephone and therefore does not meet the criteria of an interface
from the perspective of a telephone user.</p></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="asterisk-APP-D-SECT-5.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="asterisk-APP-D.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="I_sect1_tt2617.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">alarmreceiver.conf </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> amd.conf</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 />
To submit comments, corrections, or other contributions to the text, please visit <a href="http://oreilly.com/catalog/9780596510480/">http://www.oreilly.com/</a>.</p></div></body></html>
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