[Unit] Description=Kamailio (OpenSER) - the Open Source SIP Server Configured for Kazoo After=syslog.target network.target [Service] User=kamailio Group=daemon WorkingDirectory=/var/run/kamailio PermissionsStartOnly=true PIDFile=/var/run/kazoo-kamailio/kamailio.pid ExecStartPre=/usr/sbin/kazoo-kamailio prepare ExecStart=/usr/sbin/kazoo-kamailio foreground ExecReload=/usr/bin/kill -HUP $MAINPID Restart=on-abort [Install] WantedBy=multi-user.target