Poor service offered

I would like to state that service we get from DSTV multichoice is very disappointing and embarrassing for such a big company, most of their agents don't know how to resolve a query or they take forever to resolve it, whenever you asked them questions all you get is "I DON'T KNOW WHAT HAPPENED". WE are paying so much money to get service they provide us. Never have i seen such a poor service from a big company