Poor Customer Service

I called customer care and got through to RRT customer care spoke to a guy in customer care called Lesego, who disconnected the phone when I wanted to speak to his manager. That is very unprofessional. The reason I called is that they are always attempting to deliver my SIM card at my home address instead of my work address. Cellc is blaming courierit, and courier it is blaming Cellc. So on the call today, Lesego says to me there is nothing he can do, he can't even pick up the phone and escalate my matter to cellc as their vendor, it will just have to not be delivered. Yet this is a customer care agent no attempt whatsoever to help, and when I requested the manager, he dropped the call on me. Now, for that, I am owed an apology; they have attempted three times to deliver at the wrong address. I keep telling the driver to communicate with your office and get it to me, but nothing has worked. I have been waiting for half a month ofr a sim card that should take 3 to 4 days to deliver, cellc has called me 3 times and failed to fix the matter, a simple task of putting the address I gave your while doing the application, my work address come on so disappointed