F.A.Q.

Problems making and receiving calls on your landline


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1. If your phone no longer works on a high-speed broadband connection (VDSL or optical fiber)

  • Restart your FRITZ!Box
  • Check that your phone is connected to your FRITZ!Box on the FON1 or FON2 port
  • Test with another phone by connecting it to the FON1 or FON2 port

 
 

If your landline is connected to a different FON port than the one on your FRITZ!Box, connect the line to the correct port and do a test.
If it still doesn't work, contact us.

2. Your phone no longer works on an ADSL connection

  • Check that you have installed an ADSL filter (supplied with your modem) on each telephone socket. Without the filter the line may have interference or not work at all.

If the problem persists, contact us.

3. If your call is of poor quality

  • Check the immediate surroundings of your FRITZ!Box (certain objects, such as your phone, can affect the quality of your FRITZ!Box).
  • Restart your FRITZ!Box
  • Change your landline phone

If the problem persists, please contact us.


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