Unreachable

I personally have been trying since Monday the 04 May 2015 , to try and speak to a Telkom agent at their call centre. I really like to know what is their staffing capacity, they certainly can seem to handle the call volume. I need to know what I need to do to cancel my ADSL line , Firstly I wanted to change my package , and after their terrible service , I just want to cancel my subscription all together. Is the 3rd time that I have terrible service form Telkom , they advised 10gigs free on their mobile network , I have been to 3 branches and yet to connect to the Wi-Fi hot spot to use the 10gigs. Then my in 2014 there was a problem with my modem, I took into the Galleria branch 4 times before the problem was resolved, their attitude was we not tech support you need to call 10210 and hold on , which we did for a number of times before we went into the store. Now I requested for a transfer of my line - which I did not line , when I follow up I was told it was done. No I saw that there are different packages advertised on the web , and to find out more means taking a day off work and going to the store. I rather cut my losses and cancel the completely ... so I need assistance.