Utterly poor service!!!

I have been battling since last week to allocate payments to the right account. Spoke to call centre lady very helpfull but lasted one day. There after my land line tone is dead unable ro report as they have not allocated payments. I have tried to call several times with no joy. Sms received case closed . I must pay for a service that i am able to utilize. I have send numerous email spoke to lady deal with tech department unable to assist. I have been using my airtime everyday and self help service. NO FEEDBACK as to date.