On this page you can disable the fixed-line network if you do not have a fixed line and make all telephone calls via the DSL line.

If you make calls via the fixed-line network, enter the numbers of your fixed line in FRITZ!Box on this page.

Fixed-line network enabled

1. Select the type of your fixed line.
2. Enter your ISDN numbers or the number of your analog line in the relevant fields.
3. Click the "Apply" button to register the numbers in the FRITZ!Box.

Instructions when switching from an ISDN line to an analog line:

If you replaced your ISDN fixed line with an analog fixed line, please delete all ISDN numbers you entered here and change the setting for the line type to "analog line".