As an engineer in telephony I get to work with VoIP calls a lot.
The Skype solution is truly great.
I've been using Skype-Out several times now to place calls from the Netherlands to Norway and New Zealand.
These calls we're all great and without noticeable problems.
This brought me up to the idea of creating/buying a gateway for Skype for corperate companies.
The idea is an Hardware solution with at one end has an standard telephone connector (POTS or ISDN) and on the other end a LAN connector to connect to the internet.
Using the LCR functionality (Least Cost Routing) of the corperate PBX, calls from employees to countries abroad can be automaticly placed over the internet using Skype technology!
Hardware like this would definitly sell..
So is there anyone working on this yet???