Poor Customer Service

I do not normally complain or "air" my complaints about anything, but I'm really annoyed at the agents we have assisting us in our call centres in South Africa. I app**** for a cellphone contract with Telkom online a week ago. Same day I received a call "finalizing" my application, getting my debit date, and concluded by being told that I'd receive a call at the time and day of delivery. 2 working days later, I receive an sms, telling me my account would be debited in 3 days. Bearing in mind, I still do not have the phone. I phone back the same day of the sms, and am informed by the agent they will correct the address. Low and behold, this morning I receive a call from my bank stating my account is in excess and may be dishonored!!I immediately phone telkom first thing this morning round 8, an agent picks up, and all i hear is a group of people laughing in the back ground, after a few minutes of listening, my call gets cut. I phone back again, speaks to a lady(her name escapes me), who advises me to call another number. I do this, and the agents on the other end tells me they can't help me, and again advise me to call the same number I previously called. BECAUSE I AM NOT EVEN ON THE SYSTEM YET AND ONLY THE SALES DEPARTMENT CAN SEE WHATS HAPPENING WITH MY APPLICATION!!! I phone the number 10213 again, and am cut off. I phone once again, and the same lady who initially told me to phone another number answers. Again telling me I should be call the other number, not hearing what I have to say. I then request to speak to a supervisor, without telling me to hold, or someone is coming, she ignores that I'm on the other end, and speaks to her colleagues laughing away, until I'm eventually cut off. I phone 3 more times attempting to speak to a supervisor I eventually got hold of Anele. Anele assisted me as a supervisor should, and explained what the other agents failed to do. I am very disappointed at the calibre of the agents who is meant to be the voice of the company. Currently awaiting feedback and sitting on egg shells hoping to get positive feedback.