unzip freeswitch-1.6.20.zip
uncomment formats/mod_shout in modules.conf
./configure
make
copy /home/freeswitch-1.6.19/src/mod/formats/mod_shout/.libs/mod_shout.so to /usr/lib64/freeswitch/mod
FusionPBX menu go Advanced/Variables change record_ext: vaw to mp3