After some experience working with VOIP startups in the 02-03 era, I was pleasantly surprised with Vonage’s VOIP service. The network configuration was notably simple, as I was able to plug it in behind an existing Debian firewall and it worked just fine. And the phone number hasn’t changed. Furthermore, with wondershaper enabled, I attempted to mess with the call by throttling the bandwidth. With consecutive 700kB/s downloads from kernel.org, I could not even make the call quality twitch. Disabling wondershaper added a few barely detectable artifacts to the call. I will try again sometime by jamming my more limited 100kB/s upstream bandwidth.
