UNPROFESSIONAL (UN EXPERIENCED) AND RUDE STAFF AT THE CALLCENTRE

I am trying to get assistance for the integration from Payroll to Accounts, for more than 5 months already. Either the agents does not know what i am talking about, or they try to assist and stuff it up any way. Today, I tried my luck again, as I thought it was a new thing, and i would give it some time. And, as you know, you hold on for not less than 20 minutes before calls get answered. A lady answered, and, at first i thought that she knows what i am talking about, but then she rambled through the process, as if i am not even on the other side. When i asked her to slow down, she told me that i am screaming at her, and she ended that call without any notice. I find this VERY RUDE AND UNPROFESSIONAL! I am paying for the call, and I could not get assistance for five months to be able to use this facility. I am really utterly disappointed in SAGE PASTEL!!!