bad service and unprofessional!!

Hi my name iS Sibongile Charmaine Dlamini i have been with MTn for more than 6 years using their network since i started working or having a phone i never had any other network, this year April i went to rough time in my life and i started to fail paying them on time i promissed but i always send sms and phoning them telling them if they can go through my profile for so many years i've been loyal to them i never had a problem with my 2 lines (numbers which are *** and ***) which shows i really have a problem in my life, i've been sending emails lot of email to MTn trying to explain to them that it just not i dont want to pay it just that i'm going to rough phase at the moment lets make a plan how am i gonna pay this money i owe them for these past months, all to find out they handed my case to their legal department without consulting me and ask how i feel about that, THE MOST FRUSTRATING I CANT GET HOLD OF THESE PEOPLE who works under this department, it been 3 weeks now trying to get hold of them, these are the numbers i've been given *** ***/*** no answer sometimes engaged and i'm so in the middle as i'm using my numbers for bsnes