INSTALLATION OF A LINE NEVER REQUESTED

As if the bad service for my business is not enough, I went in to have my landline converted from prepaid to rental. Was not immediately able to but provide supporting documents and it was done after 6 weeks of having to go back over and over because of staff incompetence. So I got my account email last month only to discover a new line installed at a property, I am renting out and have not stayed in for over 4 years. When I went to Baywest to find out what is happening I was told the person who was assisting me has been fired because of these kind of things she was doing on customers account. Completed a complaint and was told by Mr Kanemeyer that the manager will phone me. This has still not been corrected instead I am receiving threats that if I don't pay they will give me a back credit rating. May I just add a debit order was signed for them to collect the rental. Up until now still no manager contacted me or any consultant from Telkom.