I'm curious about why they have an Asterix server on the same network as their database... is there a voice authentication feature, or are we just talking about

I'm curious about why they have an Asterix server on the same network as their database... is there a voice authentication feature, or are we just talking about their office phones? Either way, they seem to be taking this seriously, even if they are just being overly paranoid, I find it comforting.