ON-GOING PROBLEMS WITH TELKOM SINCE JULY 2015

I was in the UK in July when suddenly I couldn't receive emails. After spending many hours on the phone with Telkom it was established that my contract (which still had 20 months to run) had been cancelled for no apparent reason. The only way, I was told, was to start a new contract which I agreed to, at a higher monthly subscription which I wasn't happy about. Another 10 days went by and I still couldn't receive emails. After many phone calls,established nothing had been done. To cut a very long story short , Telkom phoned me whilst in the UK to say they were at my house to install an ADSL line. For the umpteenth time I told them that I had an ADSL line and all I wanted to do was re-set my password. On my return to SA I finally got through to someone to assist with the resetting of my password, hence the emails now worked. Then I received a bill for over R2000 and it turns out that I have now been charged for 3 contracts!! Although I have lodged a dispute twice, still can't get any satisfaction. Telkom are now threatening to suspend my line unless I pay the outstanding R1500 which I refuse to do. Can you help me as I am desperate??