If you click through from this site to Vonage complaint dept, or support, you vonage account will be locked. I guess they figure that if you can't complain, there is no problem.
They make it really hard to contact them by email, ironically, or strategically, because of course if your phone isn't working, it's hard to call customer support. email support is bad. Takes a long time for them to reply, and when you reply to their email, you a different robotoid every time and with no tracking, so you start over every time. "reboot", again and again.
That's the only way they know to fix anything. If that doesn't work, start over and reboot.
Vonage support sucks.
Review about: Vonage Phone Service.