Android IP Video Phone D900 User Manual69Audio interfaceConfiguration item MeaningAudioFirst codec: Set the first priority in the use ofvoice coding.Second codec: Set the second priority in the use ofvoice coding.Third codec: Set the third priority in the use ofvoice coding.Four codec: Set the four priority in the use ofvoice coding.Enable VAD: Whether to enable VAD. (VoiceActivity Detection); If you enabling VAD function,then the G.729 payload length cannot be set greaterthan 20ms.Audio paramTouch "Audio"----> "Audio param" interface. After configuring theparameters, you can click "Save" button to save successfully.
