Windows Softphone RC2 - Headset Voyager 4320

[Saqqara]

Hello

We have migrated to V20 and one of our users has installed Windows Softphone RC2.

Under Headset intergration, we do not see his headset - where in desktop application filename 3CXDesktopApp-18.13.959.msi

Is this headset support in softphone rc2