Telkom complain

I hope this reaches Telkom, as they are frustrating me and my family. They are charging us almost R400 per month and the line is not working, for almost 2 months. I logged several calls to them to send a Technician but to date they haven't attended my request. I also asked them to close the account, as I'm frustrated by them. Their Call centre is not helpful at all. They don't answer our calls.