Rude call center staff

<p>Its my 3rd complaint in less than a week, I will keep on going till I am satis fied, </p> <p>Cell C contact centre swaering at me</p> <p>I am strugling to sort out a problem with cell c retentions department spoke to Sipho who raised his voice and swaer at me, simelar problem, with another agent rodney. They refuse to transfer me to a line manager, they refuse to cancel my contract, but they swaer and rise there voice at me, after they made a mistake. query has been resolved, not as I wanted it, but I supose its ok, but what about call centre staff??? are they allowed to swear and be rude? </p>