Enabling Lua (via mod_lua) is very easier process.It is done in the
following way:

1. Open modules.conf in the FreeSWITCH source directory and locate the
following line:

#languages/mod_lua

Remove the # and save the file.

2. Open modules.conf.xml in the conf/autoload_configs directory and
locate the following line:

tags and save the file.

3. Build and compile mod_lua from the FreeSWITCH source directory:

make mod_lua-install

4. Wait for the installation to finish, and then restart FreeSWITCH. Launch
fs_cli and type show application. If Lua loaded successfully, then you
will see that lua is now available as a Dialplan application as follows:

lua,Launch LUA ivr,