Service really needs to be revised!

In March of 2015 we contacted the Telkom Mobile Client Services call centre to change Bank details, they did this but failed to inform that the next payment would need to be made as a cash deposit. We waited for the debit order to be deducted but it wasn't and our lines were suspended. We then paid cash & Telkom still put through a debit order on the wrong account costing us R125 in bank fees as the payment was rejected. This has occurred for the month of April and May. We have continuously logged complaints with their call centre & they have admitted that the mistake was theirs to begin with. Telkom has already cost me R375 in Bank fees & it does not even end there - Ask to speak to a Manager and the Agent will give you attitude & Refuses. To top it all off, we have 2 contracts with them of which one is for my elderly Mother. She uses a BlackBerry device & incl. in her contract is the BIS service which has not worked since March but yet we still pay! I have spent hours on the phone to the call centres of which Durban has been most helpful, some agents attempting to assist but others just simply say that Telkom is experiencing BIS \ISSUES"- WHAT ARE WE PAYING FOR???"""