# /etc/default/freeswitch
FS_USER="www-data"
FS_GROUP="www-data"
DAEMON_OPTS="-nonat -ncwait -u www-data -g www-data -run /var/run/freeswitch"

# this is the packaged version. But since the source install does not work. I've not tested any of this.
# /etc/default/freeswitch
#DAEMON_OPTS="-nonat"