Telephony / Fax

You can send faxes using the FRITZ!Box user interface. No extra fax machine is required.


  • The fax function is configured.


  • You can send documents a maxium of 2 A4-format pages in length.
  • In the browsers Google Chrome and Mozilla Firefox, you can send an image in addition to the text.
  • Images must be available as a graphic file in JPG or PNG format.
  • Images larger than DINĀ A4 will be reduced in size for fax transmission.

sending faxes

  1. Select the recipient's name and fax number from the telephone book and enter the data in the "to" and "Fax number" fields.
  2. You can enter your name and address in the "Sender" field.
  3. Select a fax number from the "send with" list. The list contains all telephone numbers assigned to the fax function in the "Telephony / Telephony Devices" menu.
  4. Enter a subject and the text of your fax.
  5. File attachment: If you would like to send an image with the fax (only possible in Google Chrome or Mozilla Firefox), select the image using the "Browse" button.
  6. Click "Send".


You can enter your sender information on the "Settings" tab.

Entry FieldFor
Fax ID in header

Generally the local fax number is listed as the Fax ID.

Notation: Country code (preceded by a plus sign), area code and fax number, for instance +49 30 12345

Please note: Many recipients block faxes without a Fax ID to filter out unwanted ads.

Sender (short) in header What you enter here will appear next to the Fax ID in the header of faxes you send. You can enter your name, for instance.
Sender You can enter your name and address here.