Unsatisfactory Customer Service

The callback option does not work, the fibre connection barely works, call center on occasion works and nobody seems to be able to grasp that my line has an issue. I pay so much every month to have absolute sub-par internet connection and almost zero help from any "technician" that I speak to over the phone. I've used so much money in airtime trying to get hold of technical support to only have people put down on me or my airtime to run out since it takes over 10 minutes to get hold of anyone at a time, my line still does not work and I am very much done with this isp, Supersonic has proven themselves useless and on the level of what telkom was in their prime when it comes to dealing with issues.