Within 10-20 seconds, you should see the following screen, and the telephone connected to the DPH-50U VoIP USB Phone Adapter should ring. Pick up the handset and follow the instructions. The Echo Test Service will ask you to leave a message which will be played back immediately. This will help you verify that the DPH-50U VoIP USB Phone Adapter, DPH-50U driver and the telephone handset are all connected and installed properly.
