Uninstall
remove sniffer
rm /usr/local/sbin/voipmonitor rm /etc/init.d/voipmonitor rm /etc/voipmonitor.conf
remove GUI - it depends on where it is installed. Usually in /var/www/html or /var/www
drop database voipmonitor
mysqladmin drop voipmonitor
remove cron voipmonitor line from
/etc/crontab