Telephone etiquette training. Unprofessional staff Members E Sibanyoni has no clue how to resolve complaints

I don’t get why you would request Edith Sibanyoni to be the one that calls me without any background knowledge of my case? She was speaking over me the entire conversation and had no telephone etiquette whatsoever. At this point I’m starting to believe that it’s all a circus show being run there to resolve this complaint dispute. Please ensure a follow up is made after all my telephonic complaints have been listened to before sending another amateur agent like Edith who was so unprofessional that she hung up on me without any resolution. This surely cannot take another month to resolve and more training needs to be given to your employees on basic skills such as communication and understanding your clients needs and their concerns