Sim card still not activated!!! its been a week

I got a new tab on 02/12 and I am still not able to use it as the sim card has not been activated. I called mobile talk several times and it does not seem like anyone knows what they are doing and the call center advisors are extremely rude and unhelpful. some tell me they do not activate the sim cards and I should contact Telkom and then when I call Telkom they refer me back to Mobile talk. several people told me that they will escalate the matter but I mean how many times can something be escalated before something actually gets done???? I've also been told that it would take 24 hours for the sim to be activate but it has now been 144 hours!!! Some told me that I would get feedback before close of business but that also never happens!!! should I pay for something that I can not use?? Someone could call me every single day for a week to try and sell the tab to me but now that I actually took out the contract no one gives a damn. I am vey frustrated and will sure as hell never buy anything from you again and will make sure none of my colleagues, relatives and friends do either. I am tired of begging to receive a service I have to pay for!!!