I am trying to find additional suitable IP cameras. This is going to be for my office and I am planning on mounting 4 total cameras in the business--a health facility. I am going to mount them to the ceiling and so I am needing a camera (or if your software can) invert the picture...because the picture will now be upside down when mounted to the ceiling. Any suggested cameras?

Also, with your softare, once the cameras are installed, will I need to pay for a separate server for each camera? Or a separate server for all the cameras?