If you would like to adjust the default audio settings and microphone setting for your Netphone, follow these steps.
Instructions
Open Netphone
Click on the yellow icon at the top left
Select Setup
Select Audio Devices Setup
From the Audio Setup dialog, you can make adjustmets and select the device you want to use for each element of the audio
Click on the dropdown for #1 Sound Board/Device
Select the device you want to use. (In some cases, it may just say Remote Audio)
Click on the Audio Device Type
Select the type of device
Repeat this for the other options as needed.