Our contract was to expire in July 2009. In June, due to the system kicking into an annoying beep in the middle of the night, and otherwise sitting useless in the "Error" code (apparently, that meant no communication from the system in our house to the monitoring service), we called ADT to cancel the service and step us through manual disconnection of the beeping system. We were instructed, over the phone, how to disconnect the system altogether (what does that mean? NO MONITORING from now on!) and we were told the contract will be... read full review »