Again charged me with high amount

This is the second time that i am facing the problem with vodacom regarding to my contract.<br> Early this morning i got a message from the Bank with a debit order or 4558.30 Rands and the reference was Vodacom.<br> My Vodacom contract is supposed to be under 1449 Rands.<br> Called the customer service, waiting for 29 mins and the call got disconnected. previously i faced this same problem with vodacom and it took 45 days to pay back my money. <br> Vodacom number:***.<br>