This is geeky, but vital. The world's Internet addressing scheme is moving to IPv6 (from the current IPv4), which will provide billions more IP addresses--important stuff if you want things like phones to be Net-addressible. There's word this week that the first trial of VoIP over an IPv6 infrastructure worked. Whew. Article [1]
Links:
[1] http://opensourcepbx.tmcnet.com/topics/applications/articles/5450-industry-forum-hails-successful-voip-over-asterisk-ipv6.htm