Activation of sim

I have recently upgraded my package. On top of the package I was sold a 10gid data sim. This was delivered to me by courier with no explanation, wasn't even sure what it was for. Never the less. I have now been phoning Cell C customer care line for 3 days. I cannot for the life of me get this sim activated. They keep telling me to phone 084145. Which i do. I have now phoned 16 times, completed 20 security checks and yet they cant seem to get me to the activation department to activate this sim. Each time they tell me the same story and i explain the same story. Cell C, how difficult is it to just get someone from your activation department to give me a call. Your IVR system wont allow me to connect, your agents keep saying it could be due to high call volumes and direct me to phone 084 145. If its Cell C custom to sell sims to their customers and not allowing activation, you can expect a lot of disgruntled customers. How difficult can this be. Now I think the only option is to cancel as its impossible for activation.

Regards