User Guide

CNG (Comfort Noise Generation): Allow IT82A(869) to
generate comfortable background noise during periods of
silence in a conversation.
5.8.2. Automatical Generation Control
To remove acoustic echo from a voice communication in order
to improve the voice quality.
Automatic Gain Control(Sending-side)/ (Receiving-side):
Disabled by default.
Automatic Gain Control Target: Range from 1 to 20 dB. 3dB
by default.
5.8.3. NetEQ
To remove acoustic echo from a voice communication in order