Verbally assaulted

Today (26/04/2018) at around 18:06, I received a call from Sportscene regarding payment arrangement. The lady was very rude from the word go, firstly, she addressed me in a language dat I don't understand (Xhosa or something similar), secondly, she never asked me if it's a convenient time for me to speak to her. She said wateva she wanted to say and I responded positively, after realising that she was prolonging the conversation, I had to cut her short as I was busy driving, upon cutting her short, she started to verbally assault me in her language and also in english, she kept on telling me to "***of"....I am shocked to learn that Sportscene allows their employees to verbally assault their customers. NB: I am not letting go of this and will be reporting the matter to the relevant authorities.