On the last page <a href="http://qvlweb.blogspot.com/2009/04/asterisk-pbx-system-install-04-pbx-test.html">http://qvlweb.blogspot.com/2009/04/asterisk-pbx-system-install-04-pbx-test.html</a><br>there is a small screen, number 3 from bottom, looks like you are editing &quot;exgensions.conf&quot; not extensions.conf.<br>