CU-SeeMe worked pretty well in 1995 if you had access to a half decent Internet connection, which admittedly most people didn’t.
replyFor well funded organisations, ISDN video conferencing facilities were reasonably common.
Verizon in NYC was trying to make ISDN happen in the home in the mid 90's. I had it. The hard part was getting an ISP that supported SLIP.
replyCuSeeMe certainly was being used before 2000.
replyThat took until skype in 2003 I guess. The idea is pretty old though and people were trying for it for a while from different angles.
replyMaybe not between continents but we had meaningful live video chat in 1968
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