BILLING ERROR

We are all aware that an error occurred on 31 Dec 2015, customers were doubled debited. Sequence of events - not necessarily in the order it occurred: Vodacom refunds entire amount.I call Vodacom and speak to Thembi, who more than once confirms not to worry - Vodacom will be rerunning a request to debit customers for the correct amount, within a few days. While waiting for this to happen we then get numerous voice-recorded messages asking which date I am going to make payment.I call Vodacom and speak to Charmaine, held on forever until I went right back to the IVR options with no closer to resolution<br> Again, I call Vodacom and speak to Pearl, I think??? Repeat whole story, tell her I am not making payment, Vodacom must debit and stop inconveniencing me. She advises earliest can go off is 24 hours, so it means 12 Jan 2016.Today 12 Jan I now again get voice-recorded messages telling me I will be debited on 15 Jan - note the difference in date I requested and date debit will be done and Vodacom has the audacity to advise my records/ credit standing could be affected due to late payments!