GnuGk/ViDeNet Howto
GnuGk is a full featured H.323 Gatekeeper that is openly developed. ViDe
is a group of researchers dedicated to deploying video in mainly
research and educational settings. ViDeNet is a gatekeeper
heirarchy/dialing plan that basically allows institutions to dial each
other without the knowledge of static IP addresses. Each institution is
assigned a prefix from ViDe and others can connect to endpoints, MCUs,
etc within your institution using this prefix.
...
https://rdweb.cns.vt.edu/~anolson/gnugk_videnet.html
<https://rdweb.cns.vt.edu/%7Eanolson/gnugk_videnet.html>