Debit Order without authorization

Super bad service. App**** for a fiber line. Needed to pay an upfront payment using my Credit Card to apply for getting the service. When all was installed and active I phoned numerous times to get a Debit Order in place for when the first installment needed to go off. But each time I had to hear there is nobody that can help me as all staff was on strike. Now that the first installment was due they Debited my credit card without my approval. This is as close as theft you can get. I send numerous emails and is phoning every day just top hear someone will call me back. I am still waiting for any call back. I have a reference number and call recording reference numbers where I was more than willing to get all this stuff fixed, but Cell C was not willing to help (again the excuses of being on strike). I now went so far as to cancel the ******* Debit Order they placed on my Credit Card by phoning the Debit Order company directly. And secondly where is my invoices and statements ? How must I pay if you do not invoice me?

Applying for your service was easy but your after sales support and service is non existing