Telkom robs clients

I've been with Telkom for a couple of years on a prepaid card. I've always been happy, but lately when I try to make a call, it tells me I have insufficient funds to make a call. When I do a balance enquiry it shows I have plenty of air time available. Even directly after recharging I can't place a call. This has been going on for weeks, if not months.

When I tried to phone, I get a list of options, none of which cover my problem. They have a WhatsApp number, where it's more of the same. Nowhere can one speak to a human to help sort out the problem. They are *****ing my money, and I am powerless to address the issue.

I think it's time to move on to a different service provider. But first I want credit for the money I spent.