Connection test has failed since the phone line is in use.
Follow the steps below to retest.

• For the buttons used for operation, see here

1. Make sure that the phone line use has ended.

   • Make sure that no call is incoming or in progress.
   • Make sure that the handset is in the correct position.

2. Press the OK button.

   

3. Make sure that Yes is selected, then press the OK button.