I got T-Mobile VOIP service to replace my vonage. Well my DTIVO doesn't call out on this service. I called *D and they said can get a HD DVR for $99. I might do this, but I would miss my DTIVO.
You DO know your D-Tivo does NOT need to call out, either - except for the (very rare) software update, or if you do remote PPV ordering. Other than dealing with a nag screen, what's the big deal???