search for: 3cnj90

...ethernet passthrough (2 port) so you can plug in your PC. As long as your LAN is decent (Cat5 100baseT switched) the overhead using VoIP is negligible. I have used the 3Com NJ wall jacks with good success: http://www.3com.com/products/en_US/detail.jsp?tab=features&pathtype=purchase &sku=3CNJ90 It's basically a 4 port switch that you replace your wall jack with. I used the NJ200, it allows you to set priority per port, although I think they are discontinued now. In combination with a 3Com power over Ethernet injector, I was able to expand a 24 port LAN to a 96 port LAN with a per-por...