| 摘要 |
In one embodiment, an apparatus includes a first module that causes the first endpoint to receive a current speaker's video stream if the first endpoint is not the current speaker and to receive a last speaker's video stream if the first endpoint is the current speaker. The apparatus includes a second module that causes the second endpoint to receive a continuous presence, current speaker video stream if the second endpoint is not the current speaker and to receive a continuous presence, last speaker video stream if the second endpoint is the current speaker. The continuous presence, current speaker video stream comprises two or more video streams, one of which includes at least a portion of the current speaker's video stream. The continuous presence, last speaker video stream comprises two or more video streams, one of which includes at least a portion of a last speaker's video stream.
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