[Unit]
Description=Asterisk PBX
After=network-online.target
Wants=network-online.target

[Service]
Type=simple
User=asterisk
Group=asterisk
WorkingDirectory=/var/lib/asterisk
ExecStart=/usr/sbin/asterisk -mqf -C /etc/asterisk/asterisk.conf
ExecStop=/usr/sbin/asterisk -rx 'core stop now'
ExecReload=/usr/sbin/asterisk -rx 'core reload'
Restart=always
RestartSec=4
LimitCORE=infinity
StandardOutput=null
PrivateTmp=true
Environment=HOME=/var/lib/asterisk

[Install]
WantedBy=multi-user.target