Brickcom CB-500A - Manual (Page 47)

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Advanced Settings
Camera Speaker – If the speaker is enabled, select the volume from the drop-down menu.
Echo Cancellation Enabled - Enable to avoid an echo.
Click Apply to apply settings or Cancel to cancel changes.
Multicast
Multicast sends a video stream to the multicast group address and allows multiple clients to
acquire the stream at the same time by requesting a copy from the multicast group address.
Therefore, multicast can effectively save Internet bandwidth. The RTSP (Real-Time Streaming