DSTV Billing

I pay my account Via debit order however the past Month the payment did not go trough I then Paid over the till at a Pep Store now my services has been disconnected because I owe R 505 of which I don understand how come because I paid R500 on the 2019/09/22 when I call the call center to inquire about I am told that the systems are down when I request to speak to a team leader the agent informed me that the team refuses to take my call the team leader in question her name is Michelle I am lost for words with the service I got from the call center of DSTV Tonight