On May 16, 2008 I transferred my phone service from AT&T to Vonage phone service. It took them about 2 days to port my phone number from AT&T to vonage. Prior to transferring to Vonage. I asked the sales rep if it would work with my alarm system. She asked which system. I told her ADT. She said it would work with ADT. About a week later I received a letter from ADT requesting I test the system. It didn't work. After a week of trying to get the alarm system to work with the Vonage phone I gave up. I called Vonage to cancel my... read full review »