・Echo cancellation (Acoustic Noise Cancelling, ANC)
This feature prevents echoing effect comming out the speaker due to the microphone picking up the speaker output sound/
・Automatic volume control (Automatic Gain control, AGC)
This feature automatically adjusts the incoming sound's volume by leveling them within the allowed gain/loss.
· Background noise cancellation (Audio Noise Suppression, ANS)
This feature filters out any background noise that might interfere the actual voice.
· Mute jingle (Comfort Noise Generator, CNG)
This feature converts any unpleasant noise to a more comforting white noise in case of mute.
· Speech recognition (Voice Activity Detection, VAD)
This feature detects the incoming microphone input, filter the speech against noise and only transmit the "meaningful" information over the network minimizing the bandwidth.