Vodacome worst service ever

I have 3 contracts with vodacom and I upgraded 1 line.i spoke to their department on the 2nd of November and gave my work address as the delivery address. The first invoice I received I saw the delivery address was my home address and I called the to rectify since then i called 4 times with no help and no delivery .I waiting for my parcel and need to use it urgently.i called today and asked for a manager an agent told me the manager is coming however someone else comes and says the manager is in a meeting . Please assist in rectifying this for me