– how it works 
+ please refer to Page. 263 on ISS v3.5 or higher version manual.
+ the traffic flows as below :
Camera(device) > Streaming service > RTP Streaming service > RTP Client

– how to connect to it 
+ RTSP URL rule of the RTP Streaming service is as follows:

rtsp://[RTP Streaming Service IP]:[rtsp port]/
idis?trackID=[device identifier number]&
streamID=[stream index]&audio=[0 or 1]

i.e :  rtsp://192.168.10.100:554/idis?camera=4&video=h264

– It uses the streaming service ?
+ Yes, so NVRs and cameras must be added to Streaming service