Unable to cancel Telkom landline telephone contract

<p>I sent Telkom an email together with the required documents for cancellation of a landline contract on 01 December 2016.</p> <p> </p> <p>I received a response the same day acknowledging the receipt of the cancellation.</p> <p> </p> <p>In January, I contacted Nedbank to cancel the Telkom stop order. Nedbank advised that they are "not allowed" to cancel Telkom stop orders.</p> <p> </p> <p>a. How do I finalize the cancellation of this contract?</p> <p>b. How do I get my money back for the months paid since cancellation?</p> <p> </p>