Terrible service from Vodacom accounts depratnment

Terrible service from Vodacom this afternoon - I have been on the line for 40 minutes and explained my problem to three different people, only to be transferred in circles to different departments that are not able to assist. Despite me opening a case with them three weeks ago about this issue, which is supposed to be in the process of investigation, no one can assist or give me feedback. <br> <br> As this is an accounts query which involves them overcharging me for a service I will be blocking the debit order tomorrow morning.