Unallocated payment

Unallocated Payment On the 2nd of last month I made online payment and I got a notification from my bank confirming that my payment was successful but for some reason Edcon is claiming that they didn't receive my payment, I then sent the proof of payment and my bank statement like I was requested by the consultant even today they haven't said anything but I receive calls everyday from their rude consultant demanding payment, how is that possible that I owe while I paid.