ADT taking money out of my account

I joined ADT late November last year. With there 2 month free subscription special, I was supposed to pay my first subscription in February.<br> <br> After some despicable service with regards to the installation of a minisafe, and fixing one of the motion sensors that kept sending false alarms, Logen from the technical department offered me an additional two months, which means my first payment is in April.<br> <br> However, in February ADT took the subscription from my account, and another payment I have yet to understand what is it for. Despite numerous emails and a terribly frustrating attempt at the call centre, no feedback let alone resolve has been reached. I have in fact already received the invoice for the March payment, for which I am not liable yet.<br> <br> This is simply not good enough.