Worst services ever

I have two contracts with cellc , every year their services gets worse and worse, in the beginning when they still debt from my bank account my account by them was alway behind , i start to do cash payments it went fine for awhile , i make sure that n pay before my debt date but still they phone me when can i make a payment , i already made a payment for September and they told me my account is behind i when in to the cellc store they said is just my October month i have to pay but October is not over yet and they sending me sms that said they going to cut off my line if i don't pay , the lady by die cellc store said they won't but today they did, i try to phone since last week to phone the customer service but they gave me 3 options 1- to make an arrangement 2-banking details. 3 - to speak to an constant When you choose options 3 they cut off the line i tried that every day last week , and to day when I phon i spoke to a lady and she cuts me of i phone again i ask to speak to a manger they didn't want to put me through It is the worst services ever i will not refer anyone to them