The extra router hops "shouldn't" be an issue, but of course that doesn't mean they aren't!

I'd have him run a few broadband tests just to see what speed he's actually seeing at the office, but I agree. The Vonage off the Netopia with a static IP sounds like a decent plan. No experience with that particular adapter, but surely there's a web interface for setup.

Here's a link to a list of speed testing sites:

https://www.dslreports.com/stest?more=1

-Steve