Poor service from Vodacom

Vodacom Fibre, had a present fibre contract with them, they introduced a new deal, told me to cancel the old one and take on the new deal. So I did that, got connected with Vuma, but then the problems start. They decided then to disconnect my service line with Vuma as they say I canceled my contract with them, yet I have the new contract in place on my same account. Day's have passed and still no service. People don't make a mistake and sign up with Vodacom as they have no idea what they ate doing, seems that one department does not communicate with another. They don't even bother to reply to complaints people write, so that proves they don't care about paying people.