Paid money in error now struggling to get money back

<p>Made an EFT of R3, 300 in error to Multichoice . Only realised when another creditor requested payment. Checked my bank and realised I have clicked on the wrong beneficiary. Phoned DSTV on 04/10/16 spoke to Hlengiwe who requested proof of payment, proof transaction, copy of ID. Emailed straight after the call. She said as soon as she receive the docs she will process and the money will be deposited back into my acc. My DSTV payment goes off by debit order. At first DSTV just activated my PVR which I have asked to disconnect because I am on Explora. I was told because there was extra money the system is set to automatically activate other lines! This was reversed, but the credit on the acc is only R2300 and my installment per month is R873.50. The credit should be R2426.50. On 06/10 called to follow up - nothing was done. Spoke to Keletso, explained the query, she assured me the reversal was done will take 5 work days. Phoned again on 15/10 because I was still waiting. Spoke to Andile, said they did not receive my docs I must resent which I did. On 20/10 I phoned again, spoke to Palesa - still no refund. Finally she gave me a reference Ref: ********** 5-I86 also promised the same that the money was reversed just need to wait for 5 working days. I still have no money to date in my account. This is my money which needs to be paid back to me. Even though it was an error on my side, I don't think they can keep my money for future payments? This is so frustrating and I wish it can be sorted out. Can someone please resolve my query and not just make promises.</p>