Asterisk SVN Install
From KlavoWiki
Introduction to SVN
If you want the latest and greatest version of Asterisk that has not been officially released you can download the SVN (Subversions) of Asterisk. A SVN release is still in development and has not passed complete testing for any bugs.
Prerequisite
To download a SVN version of an application you will need to make sure that you have installed the SVN application.
yum install subversion
Location
The SVN site for Asterisk is located at Digium
Lets Download
Asterisk
svn co http://svn.digium.com/svn/asterisk/trunk/ asterisk
Asterisk addons
svn co http://svn.digium.com/svn/asterisk-addons/trunk/ asterisk-addons
DAHDI Linux
svn co http://svn.digium.com/svn/dahdi/linux/trunk/ dahdi-linux
DAHDI Tools
svn co http://svn.digium.com/svn/dahdi/tools/trunk/ dahdi-tools
libpri
svn co http://svn.digium.com/svn/libpri/branches/1.4/ libpri
Installation
Now that you have downloaded the absolute latest version of Asterisk you can now look at Asterisk Install page to find out how to install Asterisk. Make sure you skip the download (wget) sections as you will already have the files.