The 7942 is just something I was given for free. It was gonna be thrown out, but I was gifted it to play around with.

I was actually able to get Kamailio up and running on a VM and got a successful ring between two other VMs. A GUI isn’t terribly important, just a little convenience to have. How does Asterisk compare to Kamailio? I’ve read that while Asterisk is more user friendly, Kamailio is more stable and can support more lines. However, I have also read you can run and load balance Asterisk on Kamailio