Unfair telemarketing strategy by Markham

I just discovered that since have an account with them their tele marketing team called numerous times to offer me some form of magazine which I declined to subscribe to but later learnt that 1. They put the subscription on my name anyway and are charging me a fee monthly which they refuse to reverse when you ask for a cancellation 2.the shop attended informed me that they charge me R20 rands everytime they call me to make these offers so I feel it is unfair on me as a consumer that I pay for their call that have no benefit to me