[Unit] 
Description=FreeSWITCH open source softswitch 
Wants=network-online.target Requires=network.target local-fs.target 
After=network.target network-online.target local-fs.target 

[Service] 
; service 
Type=forking 
PIDFile=/usr/local/freeswitch/run/freeswitch.pid 
Environment="DAEMON_OPTS=-nonat" 
Environment="USER=freeswitch" 
Environment="GROUP=freeswitch" 
EnvironmentFile=-/etc/default/freeswitch 
ExecStartPre=/bin/chown -R ${USER}:${GROUP} /usr/local/freeswitch 
ExecStart=/usr/local/freeswitch/bin/freeswitch -u ${USER} -g ${GROUP} -ncwait ${DAEMON_OPTS} 
TimeoutSec=45s 
Restart=always 

[Install] 
WantedBy=multi-user.target