Howdy. There is currently a bug on new installs. When you reboot, Freeswitch won't be running.
All you need to do is:
nano /etc/systemd/system/multi-user.target.wants/freeswitch.service
replace this line:
ExecStartPre=mkdir -p /var/run/freeswitch
with this line:
ExecStartPre=/bin/mkdir -p...
