Contract cancellation

<p>I have tried numerous time to cancel my contract at the end of the stipulated time and months later they are still deducting money from my account for a service which I do not use.</p> <p>I called the call center which keeps u on the line for minutes before transferring you to an operator.</p> <p>Im so sick and tired of calling them as it is not a free call. </p> <p>Please help</p>