I am a systems integrator. I work with data, phone, TV and security systems everyday. I set up systems for colleges and hotels. I tried Vonage for our new office phone system. I could not get it to ring through consistently. Calls were not completed, some were dropped. For one week I had no phones at all. Customers would write e-mail or call my cell phone to ask if we were still in business. They would get messages saying that my number was disconnected or that it was not valid. I spent over 11 hours on-line or on hold trying to get help... read full review »