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Re:Ask HN: Offline video call via HDMI cables by derane on Monday July 27, 2020 @07:22AM (#23964006)
or a 30m ethernet cabel from PC1/room1 to floor to PC2/room2

keep it simpel

Re:Ask HN: Offline video call via HDMI cables by pnnp on Monday July 27, 2020 @07:29AM (#23964070)
Thanks Derane, Most of the tutorials I found only show how to share data between 2 computers via Ethernet cable. Like this one:

https://www.wikihow.com/Connect-Two-Computers-Together-with-...

For real time video call (Offline), it is not easy. I tried Linphone etc...