Very Bad Services from SARS

I Marcel George Patzold, contact # ***, tax # *** have umpteen case #'s the latest one I received is ***. I have tried waiting on line and get cut off to redial and I have been doing this for two weeks no. I tried using upteen of ways to contact SARS to no avail. I have uploaded all the documents they requested but do not now if they received my documents. I am now in a desperate situation for the tax refund that was put on hold. Your assistance would be greatly appreciated.