Useless service

Phoned Vodacom 5 times between today and yesterday. Still no answer on my question. I try to speak with accounts, there is no accounts section. Their website promotes email and live chat - trying to do that it tells you the service has been suspended. My current handset installments ends January 2018, Vodacom however says it's only March 2018 (26 months and not 24 months as per my invoice). Yesterday the lady confirmed that it ends January 2018, an email will be sent to confirm this and that the call was recorded. I did not receive any email, phoned this morning 4 times again, I'm told that they have no record of yesterday's call of 37 minutes, and that they can not check on the handset installment!!!!! I wonder if Cell C or MTN is better, I've got the feeling that service quality is non existent in South Africa.