MTN can't help me

I phaswe Isaac Maupa I had account Mtn I took 2 phones 3 yrs back I paid 6-7 months,I got sick and stopped to pay because I was not working and now I can't do anything even buying a house because of that credit I tried to make the arrangements with them they said they handed this matter to the attorneys so I can't get hold of them could you please help me to sort out this matter is affecting my life.