WebRTC is not loading when viewing live video streams. When hovering over the red live button when viewing live streams, there will be a cross by low latency if WebRTC has failed to load.
This can be caused by the following:
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Firewall ports are blocked
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The network's NAT device does not support Endpoint-Independent Mapping or does not have it enabled.
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Keyframe interval of the camera is too high.
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Bitrate of the camera is too high.
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Verify that the required access has been permitted on the firewall.
WebRTC TURN Server IP Ranges:
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141.101.90.1/32 -
2a06:98c1:3200::1/128
Ports: 443, 3478 (TCP/UDP), 5349 (TCP/UDP), 10000-60000 (UDP)
Note
A client's IP requires the same port and IP access to utilize WebRTC.
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Check that your network’s NAT device supports Endpoint-Independent Mapping.
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Check the keyframe interval on the camera. This should be ~1 second.
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Lower the bitrate of the camera to 1Mbps or as near as you can without impacting picture quality.
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