They must stop abusing the customer. how should I have an agreement to other organization those who collecting money on they behalf and I don't even have they contact. other side I'm paying them. this the hell of organization, actual I hate the way they t

I have an contract with Vodacom every time they give me a lot of problem because the debt my account twice month, when I ask them, the call Centre says I have an agreement with MBD how should I have an agreement with third party? some are very rude to me they can also drop my call where's we are in conservation. Now they want to disconnect or block my line what kind of business. They make me angry . The number is ***