Telkom - SO Disappointing and worst service EVER

I have been trying to cancel my internet contract with Telkom since January 2018. We relocated to JNB from PTA. I requested a line transfer on 11 January, on 28 January Telkom sent me an sms saying that they cant donthe transfer due to no infrastructure in our new area. I immediately asked to cancel the contract where I sent the cancellation form on 31 January 2018. At the end of Feb we received another invoice. I phoned Telkom and I was informed that we have to give 30 days notice. Well, the form was sent end of Jan so the lady told me the service should be cancelled at the end of Feb and I should call in the beginning of March to make sure. Low and behold, it wasn’t cancelled because the cancellation was not logged and they could not see that I sent the forms. So I sent the form again stating that I will not pay for March should I receive an invoice due to the staff’s incompetence. Well, at the end of March I received another invoice for the full amount. And I have been receiving invoices every month until this day. I refuse to pay for a service that I dont receive. I have been handed over to lawyers due to non payment. I have phoned, emailed, phoned again and emailed again without any response. Telkom, you are disappointing and I regret ever trusting you as a company. I will never, ever refer anyone to you.