D-Link DPH-50U manual

STEP 3: When the installation completes you should see the following message appear near your system tray and a new telephone icon (circled in red below) in your system tray as shown below.

The telephone icon indicates that the DPH-50U software is installed and running and that you can start making calls via DPH-50U and the DPH-50U VoIP USB Phone Adapter.

You will see a new program group named D-Link USB Phone Adapter, accessed from the Start button -> All Programs as shown below.