Recommendations if your Softswitch Server Reboots by it self:

If you server has connected KVM to it, weather the built in or the DC KVM and you are facing an issue of server rebooting by it self, it's recommended to go over the below check-list to make sure your safe:

1- Check if intruder enabled SSH authentication rules for root login.

2- Check IF added password for user 'toor' and edited Yate configuration files under toor login.

3- Check if any of the files below were edited:

(e.g)

-rw-r--r--  1 root  wheel  5398 Oct 18 08:35 ysipchan.conf

-rw-r--r--  1 root  wheel  3750 Oct 18 09:32 yate.conf

-rw-r--r--  1 root  wheel  9314 Oct 19 20:31 regexroute.conf

4- Check if toor user has authenticated from  Anywhere strange.

5- Check if IP addresses have been added to Yate configuration:

6- Check if Yate application has been started manually and has been routing calls to listed destinations from IP-Addresses added to Yate Conf file.