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Knowledge document #3697

Setting up the FRITZ!Box for use with a fiber optic connection from BITel

The FRITZ!Box is optimally prepared for use with BITel. Have BITel activate the FRITZ!Box, connect the FRITZ!Box to the fiber optic connection, and enter your personal account information in the FRITZ!Box user interface.

The complete FRITZ!Box range of functions for internet, telephony, and multimedia is then available to all of the devices in your home network without restriction.

Requirements / Restrictions

  • FRITZ!Box Fiber with SFP module "FRITZ!SFP FRITZ!SFP GPON"

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

1 Unlocking your FRITZ!Box

  1. Have BITel's customer service unlock the FRITZ!Box by writing to ont@bitel.de. Give them your name, your address, your BITel contract number from the order confirmation, and the "modem ID" of your FRITZ!Box. You can find the "modem ID" on the bottom of the FRITZ!Box:
    Modem ID on the bottom of the FRITZ!Box

    Important:After the FRITZ!Box has been activated, you can no longer access the internet using the fiber optic modem (ONT) from BITel. You can only access the internet again after connecting and setting up the FRITZ!Box.

2 Inserting the SFP module into the FRITZ!Box

  1. Insert the SFP module "FRITZ!SFP GPON" into the fiber slot of the FRITZ!Box.
    Inserting the SFP module into the FRITZ!Box

3 Connecting the FRITZ!Box to your fiber optic connection

  1. Remove the dust protection caps from the fiber optic cable, the SFP module in the FRITZ!Box, and from the fiber optic socket.
  2. Connect the fiber optic cable to the SFP module in the FRITZ!Box and to the fiber optic socket. Do not bend the fiber optic cable and do not hold the ends of the cable in front of your eyes.

    Note:You can find information on selecting a suitable fiber optic cable in our guide Which fiber optic cable do I need?

    Connecting the FRITZ!Box to the fiber optic connection

4 Plugging the FRITZ!Box in

  1. Plug the power adapter into the FRITZ!Box's power socket and plug it into a power outlet.

5 Configuring the internet connection in the FRITZ!Box

  1. Open the FRITZ!Box user interface.
  2. Enter the FRITZ!Box password on the bottom of the device and click "Log In".
  3. If the menu "Account Information" is not displayed automatically, click "Account Information" in the "Internet" menu.
  4. Select "other internet service provider" from the drop-down list "Internet service provider".
  5. Enable the option "Fiber optic".
  6. In the "Username" field, enter your username for DSL that you received from BITel.
  7. Enter your BITel password for email and DSL the in the "Password" field.
  8. Click "Apply" to save the settings.
  9. Now the FRITZ!Box checks whether the internet connection can be established. Configuration is completed 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 BITel.

6 Setting up telephony in the FRITZ!Box

Setting up the telephony connection

  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. Click "Changing the Settings" in the "Telephony connection" section.
  5. Click "Connection Settings for DSL/WAN".
  6. Enable the option "VLAN required for internet telephony".
  7. Enter 2222 in the field "VLAN ID".
  8. Enter 5 in the field "PBit".
  9. Enable the option "Use a separate connection (PVC) for Internet telephony".
  10. By "Is account information required?", enable the option "No".
  11. Enable the option "Obtain the IP address automatically (DHCP)".
  12. Click "Apply" to save the settings.

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 05211234567) by "Telephone number for registration".
  6. Enter your telephone number (for example 1234567) by "Internal telephone number in the FRITZ!Box".
  7. Enter your telephone number including the area code (for example 05211234567) by "Username".
  8. For the "Password", enter the password you received from BITel.
  9. Enter sip.bitel.net in the field "Registrar".
  10. Enter your area code by "Area code".
  11. Click "Additional Settings" to display all of the settings.
  12. Select "RTP or in-band" for "DTMF transmission".
  13. 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 *31*".
  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.



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