Vodacom are ***********

My daughter received an sms from VVM from a debt collection company stating I owe Vodacom R1277.25. I contacted the company who stated that i have been handed over for defaulting. I have always been on prepaid . VVM suggested that I contact Vodacom. According to Vodacom I had a contract with Vodacom and defaulted in 2011. I dispute this because I have always been on prepaid and why contact me now after all these years. . If the info is correct why contact my daughter instead of me. Apparently it is with Vodacom legal dept who claims I owe this money. Vodacom has never send me correspondence , instead they forward my info directly to VVM