to the Line In port on the
Codec and VCM30 video
conferencing microphone
array.
Default: Auto.
If Line Input is selected as the
audio input device, the
near-end audio output device
will not play sound from the
Line Input device.
If “Line In + device” is selected
as the audio input device, the
near-end audio output device
will play sound from the Line
Input device.
During a video training for
main office and branch office,
both offices need to hear the
video sound, you can select
this option.
1. Click on Setting->Video & Audio.