TELKOM-BAD SERVICE

My hubby took out a contract with telkom in Nov 2020.End of Dec his first debit was not processed.He call to find out why he was not debited and was advised the account details were incorrect. He confirmed the details and paid cash.Then end January 2021 again no debit put through. He went to the store and the lady at the chatsworth store advised that it was an error on this side and he must not pay cash as end Feb 2021 he will be double debited.The today out the blue a call from a legal team about non payment.After numerous calls and messages still no help or feedback on my issue.