This always seems to happens to me. It’s part of being an early adopter, I guess:

From Engadget: Vonage is partnering with VTech on the next best thing: a cordless phone that comes with Vonage’s broadband Voice over IP service built-in. The has a VoIP gateway chipset built right into its base station, which you just connect right up to your router. Besides letting us toss out that bulky analog telephone adapter we’re still using, the ip8100-2 also operates on the 5.8GHz frequency, which means it won’t interfere with our WiFi.

Well, darn it… I bought a set of identical phones just a couple weeks ago, only without the Vonage service built in. I got them because my old 2.4GHz phone was worn out ad was messing up my WiFi big time. The phones look a little weird in pictures, but they have a really decent speakerphone built in, ringers that don't sound like an 80's alarm clock, and generally work very well. And these are the same phones, which I brought home and – get this – plugged straight into my Vonage IP phone adapter device. Argh.

I also saw a combination unit this weekend at a big big big gadget warehouse store that was a combination of the Linksys 802.11G router and a Vonage IP phone adapter. Again - I have both already. I am tempted to buy that one though, because simplifying the voice QOS configuration and compatibility there would certainly improve my call quality at times. My current setup gets glitchy at times.