Thinking about getting a VOIP phone or perhaps you're having problems with your current connection. Well I discovered this interesting tool that let's you test your Internet connection for both speed and quality of service. It then ranks the overall results. So now you can know if you're Inerent connection speed can support VOIP as well if you're having problems with your VOIP phone if the problem is your ISP or the VOIP provider.
It's a free tool and well worth checking out if you're think of VOIP.
My VOIP Speed
Below is a shot of the summary page of my Internet connection.