Start-up aims to improve Wi-Fi calls | CNET News.com

This one caught my attention.

"More importantly, the underlying technology minimizes the effect of dropped packets or other sundry problems that occur in Internet transmission"

In general I'm sceptical when it comes to "internet/Wi-Fi phones", mostly because the sound quality hasn't been acceptable. But after a recent sampling I think that the people at TeleSym might be on to something.