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For the Video Reader Pro and Video Intercom Reader Pro, to obtain the best audio and video quality, we also recommend allowing access to the UDP ports listed below. Additionally, please ensure UDP hole-punching is enabled (or disable symmetric NAT).
TCP port 443
UDP port 123
UDP port 3478 - TURN/UDP servers that assist in establishing connectivity
UDP 50000 - 60000 - UDP connection for WebRTC
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