Extremely bad service from the student advisor call centre

I called Unisa on the general call centre number for a general query on my application. The person that answered the call was extremely rude from the start even though I had a simple question on the registration process. With the last registration period, I encountered some issue with registering and simply wanted to know what I should do if the same issue happens in the next registration period. I asked if I should call a specific department, email or go into a regional centre but instead of listening to my question the guy rambled on about how Unisa works and doesn't work, and said I was wasting his time before eventually dropping the call on me. This was astonishing especially given I was polite the entire time as my query was a simple one. Unfortuantely I never got this guy's name. This is really concerning and unwarranted. My student number is ***6.