Happy to sell, but ZERO follow up on connection!

I have dealt with Ryan at the Claremont store who was very helpful and efficient in advising the correct deal and getting our order placed for the Modem and installation. Salie was also very helpful and happy to install the line and modem. Fantastic service until then, but unfortunately Telkom is (yet another company) more than happy to sell the product and start billing immediately, whilst no-one has been able to assist with set-up of the modem and connection. Everyone I speak to tells me to contact the call-center. I already have my username and password and have spent HOURS paying for phone calls trying to get hold of the call center unsuccessfully for the last two weeks. I have called Salie who can only tell me to call the call-center or his superior Mr. Adriaanse who never answers his calls. Everyone keeps passing the buck and no-one can follow through on the sale and help me connect my line. Please can a technician get in touch with me to assist.