FRITZ!Box 6840 LTE Service - Baza wiedzy

FRITZ!Box 6840 LTE Service
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Setting up an external fax in the FRITZ!Box

You can use a fax machine connected to an analog extension of your FRITZ!Box to send and receive faxes over the Internet.

Important:Some of the settings described here are only displayed if the advanced view is enabled in the user interface. The configuration procedure and notes on functions given in this guide refer to the latest FRITZ!OS

1 Enabling fax transmission with T.38

If you would like to use an Internet telephone number for faxing, then you must enable T.38 (fax over IP) for fax transmission in the FRITZ!Box. With T.38, a special network protocol is used for fax transmission instead of fax tones. As a result, transmission is significantly less susceptible to interference:

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "Telephone Numbers" in the "Telephony" menu.
  3. Click on the "Line Settings" tab.
  4. Enable the option "Fax transmission using T.38" in the "Voice Packets" section.
  5. Click "Apply" to save your settings.

2 Reconfiguring the fax machine

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "Telephony Devices" in the "Telephony" menu.
  3. If the fax machine is already displayed in the list of telephony devices, click the button (delete) for the fax machine.
  4. Reconfigure the fax machine: Click the "Configure New Device" button and follow the instructions.

    Important:If you cannot select the extension the fax machine is connected to when configuring it, then a different telephony device has already been configured for this extension. You must delete this device first.