Cancelled WFI with telkom.

I Mitchell Jackson address 612 Campbell street, Davidsonville Roodepoort 1724, have cancelled my WFI with Telkom. Telkom send out their courier service to collect the device but they are still debiting my account. They also send me an email that the service has been cancelled but they don't stop the debit orders from going through my bank account. On the 29/9/2017 my account was debited with the following amounts. I want Telkom to credit my account with the below amounts. The reference is JACKSMA077. They must stop debiting my account. R49.00 from Direct Debit, SOMUSIC MT- ********** 7-4 R45.00 DIRECT DEBIT HOTSOTTERMT- ********** 5 R39.00 DIRECT DEBIT TECHTRACE MT- ********** 72 R149.00 DIRECT DEBIT TELKOMMOB ********** ********** **********