Google Patents EP0955765A1 - Teleconferencing systemĭownload PDF Info Publication number EP0955765A1 EP0955765A1 EP99202661A EP99202661A EP0955765A1 EP 0955765 A1 EP0955765 A1 EP 0955765A1 EP 99202661 A EP99202661 A EP 99202661A EP 99202661 A EP99202661 A EP 99202661A EP 0955765 A1 EP0955765 A1 EP 0955765A1 Authority EP European Patent Office Prior art keywords video audio participants call participant Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
