Utterly Poor Service

I have been a telkom customer for the last 8 years. Over this period I have been contacted telephonically by Telkom and offered upgrades to my services. At least on 2 ocassions I was upgraded to packages I did not agree to. The last being upgraded to a premium package costing over R1000 a month. I have queried this with the call centre and was told my package woud be adjusted accordingly.NOTHING HAPPENED !! In December I filled in a request online for a package change. I was only contaced about 2 weeks ago by a gentlemen by the name of Sanele Ndelela who after explaining my situation promised to get back to me only to call back a week later not realising that we had already spoken. When I reminded him that he was supposed to have gotten back to me he actually cut the call and has never called since. Now I have decided to cancel my DSL subscription alltogether but that is also a problem as I have tried calling telkom to cancell only to be put on hold for 45 min to and 1 hour without my call being answered. This has happened at least 4 times in the last 2 days. PLEASE HELP!