Harassment and constant spam calls

Vodacom employs elite mobile to harass people. This company has no way for you to remove your number from their systems and are in contravention of the popi act. I am on the verge of cancelling my contract after 20+ years with Vodacom due to the insane amount of spam calls I am getting from elite mobile (7 calls today). Perhaps Vodacom will assist in protecting my privacy or perhaps they are happy with such vile business being done in their name.