Bad Service from Telkom

Took out a data contract with Telkom on 3rd July. We were told that July will be Pro-rated and billed at the end of August with the August bill. At the end of August no debit order was deducted and when I phoned in to query, they told me we must have given the wrong bank account. I told them to re-check and get back to me with the bank account number that was supp****. No one got back to us. We received another invoice that now included July, August and September's fees. On the 22nd of September the debit order went off - taking into account we did not at any time confirm the bank details - thus somehow miraculously they now had the correct details. However, on the 22nd, my service got suspended because my aco**** was handed over to collections. We did not receive one call from Telkom. When I phoned back in explaining they need to go and look for the payment, I was told that it can take anywhere from 7 to 14 days to reflect and i will have to wait till then unless i supply the Proof of Payment. This has no become my problem even though Telkom was at fault for not debiting my account in August. So if i do not send the proof of payment, i will be paying for the month for a service that I do not have, taking into account it was already suspended for 5 days even though the money went to Telkom. This is realy bad service and inconvenience myself as we do no need to work from home in the evening sometimes. I would rather pay more with another Service Provider than take this ****ty service.