Incorrect charges

In March I found out that I had to move at the end of the month. So I contacted Telkom and told them that I would like to transfer my line to my new address and how much it would cost - to which they said no charge.<br> I then went online and choose the transfer option and the date to be changed to the 1st of April.<br> When Telkom came to install the new line they gave me a new phone number, which I again asked if I was going to get charged for it - again they said no. When I received my account it was over a R1000 (normally I pay R430) so I immediately called to which I got told that a dispute will be laid, I waited and got no response so 2 weeks later I called back and I got told that the dispute was denied. I asked why but no answer was given, I got told that some one would call me back - 2 days later I called again and got told to call Gloria directly as she denied the dispute. When I spoke to her she said that I have 2 lines and that I need to cancel my old line! I have absolutely no idea why it was my responsiblity when I just asked to move the line to a new address - she also told me that it is not my final account? I am still waiting to hear back. I emailed them on the 28/04.