Billed for nothing

We are billed for the service that we don’t have. I was told that I can’t use the company details my boss may be the only person who can apply. I then used my details but still they proceeded with his company information and billing him for the service which was not installed Notice of Adverse Listing! GEORGE THABO MONARENG, you hereby notified in terms of Regulation 19(4) of the NCA, Act 34 of a default on Telkom acc *** Tel ***

I keep on receiving this messages. What are they billing for?