Brickcom Software Users Manual For Firmware release V3.2.x.x - Manual (Page 21)

20
Advanced Settings
Camera MIC
-
The Network Camera supports two-way audio communication so that
operators can transmit and receive audio simultaneously. By using the Network
Camera 's built-in microphone and an external speaker, users can communicate with
people who are within range of the Network Camera.
Camera Speaker
– If the speaker is enabled, select the volume from the drop-down
menu.
Echo Cancellation Enabled - Enable to avoid an echo.