Some applications or viewing tools can use Real Time Streaming Protocol or RTSP to pull a device's stream. The default port number will be 554 and requires a specifically formatted URL. The RTSP URL format will be as follows:
IP Cameras/NVRs: rtsp://ip:port/channel ID/stream ID
RTSP URL Breakdown
The bracketed items are variables that you need to input according to your setup. Explanations of each variable are given below.
[rtsp://] - The RTSP protocol.
[ip] - URL of the device.
[port] - The RTSP port number (554).
[Channel ID] - The channel number being accessed (if it is an IP camera it will be channel 1, NVR will be the channel number of the device connected to the NVR).
[Stream ID] - main or sub stream (use "main" (1) for main stream and "sub" for substream (0).