rtsp d-link

Hello, How can I configure Blue Iris to use RTSP with my D-Link DCS-942L? The camera says the RTSP is at /play1.sdp so I entered this. I in Blue Iris I selected "D-Link RTSP". But the images just says "RTSP: 461 Unsupported Transport". Any hints on configuring Blue Iris to use RTSP for the...