Is there a way to retrieve a Rtsp url from a camera through MIP Sdk?
XProtect does not out of the box include a RTSP streaming service for watching the camera streams. But there is a free add-on product that gives you this: Open network bridge.
https://doc.milestonesys.com/latest/en-US/standard_features/sf_onvifbridge/onvif_milonvifbridgee.htm
The MIP SDK include other ways to fetch camera data. Relatively new is WebRTC - https://doc.developer.milestonesys.com/html/index.html?base=samples/protocolsamples/webrtc_javascript/readme.html&tree=tree_search.html?search=webrtc