title: asterisk 11 installation in ubuntu 14.04
body: <p>I am trying to install Asterisk 11 in Ubuntu 14.04 by following <a href="http://blogs.digium.com/2012/11/14/how-to-install-asterisk-11-on-ubuntu-12-4-lts/" rel="nofollow">http://blogs.digium.com/2012/11/14/how-to-install-asterisk-11-on-ubuntu-12-4-lts/</a>.</p>
  
  <p>I am getting following error:-</p>
  
  <pre><code>READ THIS OR YOUR BUILD WILL FAIL format_mp3.o
  format_mp3.c:39:24: fatal error: mp3/mpg123.h: No such file or directory
  compilation terminated.
  make[2]: *** [format_mp3.o] Error 1
  make[1]: *** [addons] Error 2
  </code></pre>