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Knowledge document #3715

Setting up the FRITZ!Box for use with a fiber optic connection from DNS:NET

The FRITZ!Box is optimally prepared for use with a fiber optic connection from DNS:NET. Simply connect it to the fiber optic modem from DNS:NET and enter your personal account information in the FRITZ!Box user interface.

The complete FRITZ!Box range of functions for internet, telephony, and television (DNS:NET IPTV) is then available to all of the devices in your home network without restriction.

Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS for the FRITZ!Box.

1 Having your account information ready

  1. Have your personal account information for internet access and the login information for telephony that you received from DNS:NET ready.

    Note:You will find your account information in the DNS:NET customer portal under "Meine Dienste > Fiber > Zugangsdaten > Passwörter anzeigen". If your account information is not displayed there, contact DNS:NET.

2 Connecting the FRITZ!Box

  1. Insert one end of a network cable into the "WAN" port on the FRITZ!Box. Use the network cable supplied with the FRITZ!Box, for example.
  2. Insert the other end of the network cable into the LAN port on the fiber optic modem (ONT, Optical Network Termination).

3 Configuring the internet connection in the FRITZ!Box

  1. Open the FRITZ!Box user interface.
  2. Enter the FRITZ!Box password given on the type label of the FRITZ!Box and click "Log In".
  3. Click "Internet" and then "Account Information".
  4. Select "DSL or fiber optic modem" from the drop-down list "Internet connection via".
  5. Select "other internet service provider".
  6. Enter the account information you received from DNS:NET in the relevant fields.
  7. Click "Change connection settings".
  8. Enable the option "Use VLAN for internet access".
  9. Enter 37 in the field "VLAN ID".
  10. Click "Apply" to save the settings.
  11. Now the FRITZ!Box checks whether the internet connection can be established. Configuration is complete as soon as the message "The internet connection check was successful" is displayed.

    Important:If the internet connection check fails, your internet access may not have been activated yet. In this case, contact DNS:NET.

4 Setting up telephony in the FRITZ!Box

Configuring telephone numbers

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "Telephone Numbers" in the "Telephony" menu.
  3. Click the "New Telephone Number" button.
  4. Select "Other provider" from the drop-down list.
  5. Enter your telephone number including the area code (for example 05511234567) by "Telephone Number for Registration".
  6. Enter your telephone number (for example 1234567) by "Internal telephone number in the FRITZ!Box".
  7. Enter the login information you received from DNS:NET by "Username" and "Password".
  8. Enter sip.berlin.dns-net.de in the field "Registrar".
  9. Enter your area code by "Area code".
  10. Click "Next" and follow the wizard's instructions.

Adjusting the telephone numbers

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "Telephone Numbers" in the "Telephony" menu.
  3. Click the (Edit) button for the respective telephone number.
  4. Click "Additional Settings" to display all of the settings.
  5. By "Suppress outgoing Caller ID (CLIR)", select the setting "CLIR via display and username".
  6. Click "Apply" to save the settings.

Assigning telephone numbers

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "Telephony Devices" in the "Telephony" menu.
  3. Click the (Edit) button for the respective telephony device.

    Important:If the telephony device was not configured yet, click the "Configure New Device" button and follow the wizard's instructions.

  4. From the drop-down list "Outgoing Calls", select the number to be used by the telephony device for making outgoing calls. If you do not select a telephone number, the number entered under "Telephony > Telephone Numbers > Line Settings" is used for making calls.
  5. Select the telephone numbers to which the telephony device should react when you receive calls. You can select up to ten numbers (including the number for outgoing calls).
  6. Click "Apply" to save the settings.