Telkom unable to sort out account mix ups that the caused.

Telkom has open 2 accounts on my name by mistake. They then send me both invoices 1 with my address and correct phone number which i pay monthly and another with an unknown address and phone number which i dont pay. It is now 5 months that i am been complaining about this and been told to phone the account department which i do then the accounts departments then tell me to call the sales department. The sales department then push me to the accounts department. Feels like no one knows what they are doing. Would be great if 1 person could take responsibility for this mix and and just sort this out. i have spent hours on the phone at a telkom store with no luck. Please Telkom get your act together.