Call Centre staff advised incorrectly, now I am liable!!

Went into Telkom Monday 4 September to open up a new contract, everything went well and I got the P10 lite

I was then informed that Telkom had a promotion running and I received 10gigs of Data to use till November

Few days in I check my bill so far on the Telkom app and realize it's about 150 or so.

I call the call centre ( 14 September at 2:06pm) because I am not supposed to be paying anything over and above the subscription .

I explain that I have been allocated 10 gigs, why am I being charged. I am informed that I should ignore the SMS and that the billing is my pro-rata subscription fee.

This is fine, she says she will adjust my spend limit to ensure I don’t go over the monthly subscription fee.

This was done however only effective from the next month. I accept that as fine as she had explained I am not being charged for data usage.

19 September I get a message saying I have reached my monthly spend limit, this is strange as I was not being charged.

I call the call centre at 11:20am, I am then told how the allocated data was “Telkom Mobile” data and hence I was being charged as I was roaming.

They had logged a case as I had an issue with the fact that I was not told this in store or when I called to query the billing the first time.

I received no feedback and had to follow up a few times, I call yesterday again only to be told my case has been closed.

I can’t be told what investigation was done, I can’t have access to the recording of the original call in order to prove my case, how was the case closed?

And how am I expected to pay for something I initially called to query but was told by a Telkom employee I should not be concerned about being charged.