No service, billing inaccuracies, no delivery on promises

In November I downgraded my service and was supposed to receive a free router, which was never received and billed to my account. I have spoken to telkom every month since then and received no joy. In the meantime my old Telkom router broke. 3 weeks later and more than 15 calls (duration of waiting to be put through is ridiculous). Each time they allegedly order the router I receive an SMS telling me to pay a deposit and each time I phone it is allegedly dealt with and I will receive the router in 7-14 days only to start the whole process again when I phone again. Now I am using 3g at a crazy cost. This is absolutely unacceptable and shocking service. While the people at the call centre are mostly pleasant, it appears that Hellkom cannot deliver on promises.