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Some devices, for example ONVIF or Hikvision IP devices, connect to Axxon PSIM via the HTTP protocol and use HTTP protocol to transmit settings, PTZ control, etc., but at the same time they transmit video, sound and metadata via the RTSP protocol. In this case, by default, the RTSP port from which the device transmits certain data is reported by the IP device itself in response to an HTTP request from Axxon PSIM. Please refer to the manufacturer's documentation to find out if RTSP port is required.
However, the RTSP port returned by the device may not be correct if the IP device is behind NAT.
In this case, after creating and configuring the Video capture device object (see Configuring video acquisition from IP devices or Connecting devices via the ONVIF protocol), specify the RTSP port from which Axxon PSIM should request data in the RTSP field on the settings panel of the created object:
Example.
For example, there is an ONVIF device on the local network having an IP address of 192.168.1.53, an HTTP port of 80, and an RTSP port of 554.
At the same time, the device is brought into the global network through NAT, and Axxon PSIM connects to the device using IP address 85.172.174.48, HTTP port 8084 and RTSP port 5554.