Vodacom: what a disappointment!

So glad I've sold my shares in Vodacom! Definitely not a company I feel proud enough about to be an investor! Closed my business a couple of years ago. Kept business account running at my bank for a specific reason. Recently withdrew all funds from the business account and totally forgot to top up account before Vodacom debit order was supposed to go through. Received a message from Vodacom and responded with a specific date on which the debit order could be re-submitted. Next minute my service was discontinued and when I looked at my business bank account, realised the amount was not deducted as arranged. AND now they do not respond on any of my messages or e-mails!