MTN terrible service for honest and loyal customer of 7 Years

<p>I had an cash Arrangemnet with Mtn everymonth to pay R2500, In March 2017 a debit order of R7878.56 was loaded onto my bank account, i had phoned Mtn before and after the debit order that I could not afford the amount and that the arrangemnet was for 2500 on the 25th of every month, i am An honest and client that has been with Mtn for 7 years, I then phoned the credit controller (blessing) on the 29 March 2017 to advise him of my problems and make an arrangemnet once and for all, at the time of calling my lines were not suspended but as soon as the call ended without any notice my lines are now completely disconnected with no recieving or making calls, I can understand suspending outgoing facility but I have completely nothing, This is what i get for being honest customer and trying to explain my situation to MTN, .could someone please contact to help me in this predicament.</p>