Grandstream Networks GXV3370 User Manual page 111

During the call, users can tap on "More" then "Media Channel" to toggle between Handset Speaker and USB Headset.
USB
The GXV3370 supports USB connection with USB storage devices. To connect and access USB storage device:
1. Insert an USB storage device into USB port at the back of the GXV3370.
2. It will take a few seconds for the GXV3370 to prepare the connection. Then the USB storage icon
status bar.
3. To access USB storage, go to GXV3370 MENU��File Manager �� USB. Tap on it to access and manage your data.
Figure 179: USB Headset Used for Call
Figure 180: Switch Between Speaker and USB mode
will show on the