Can't get through to call centre or customer care lines

After a very frustrating time trying to get my router delivered, I have now been on hold for about 4 hours in total today with no answer to any of the call centers and the activation center numbers. I can't use their customer care line because I don't have a MTN "telephone number" as I have a data/ router contract with them I am trying to activate which doesn't have a cell number. How much more difficult can they make it for people to become a paying customer with them.

PLEASE can someone contact me URGENTLY!!!!!!