Start the installation. You might be prompted to restart your computer after.
Launch Plantronics Hub via the shortcut on your desktop and connect your device via USB. Once your device is detected, you can close this window and launch 3CXPhone for Windows.
Step 2: Configure 3CXPhone for Windows
Launch 3CXPhone for Windows.
Change 3CXPhone to SIP Mode.
Click on Settings > Audio options > and select the new Plantronics Device for Microphone and Speaker devices. Note: Microphone and Speaker have to be set to Plantronics. Ringing can be set to any desired device.