Telkom - Online subscription cancellation a nightmare

I have had the most frustrating time trying to get my subscription cancelled by Telkom. They are quick to sign you up for products yet when you want to cancel they tell you about online processes (which do not work) and you hold long on the phone to speak to a consultant. I app**** online to have a line moved in December as I was moving houses. That didn't happen yet I am still being billed for a service I no longer enjoy. All I want if for my subscription to get cancelled and my money reimbursed for all these months I have been charged for a service I no longer enjoy, and I am being sent from pillar to post.