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Knowledge Base document #3645

Setting up FRITZ!Box for use with an o2 line

The FRITZ!Box is optimally prepared for use with o2. Simply 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 smart home is then available to all of the devices in your home network without restriction.

Requirements / Restrictions

  • FRITZ!Box with SFP module '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 Asking for account information

  1. Call o2's customer service and ask for the ONT installation ID for the fiber optic modem (also called 'ONT password').

    Note:If you have a router with integrated fiber optic modem from o2, you can find its ONT installation ID in its user interface under http://192.168.1.1 under 'Mantenimiento > GPON Password'.

2 Inserting the SFP module into the FRITZ!Box

The FRITZ!Box is available in several different product variants, each of which is delivered with different components. If the FRITZ!Box you received did not have an SFP plug-in module inserted, perform the following steps:

  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 an electrical socket.

5 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 on 'Log In'.
  3. Click on 'Internet' and then on 'Account Information'.
  4. Select 'other internet service provider' from the 'Internet service provider' drop-down list.
  5. Enable the 'Fiber optics' option.
  6. Enable the 'Yes' option in the 'Account Information' section.
  7. Enter adslppp@telefonicanetpa as the 'Username'.
  8. Enter adslppp for the 'Password'.
  9. Enable the 'ONT Installation ID needed' option and enter it in the corresponding field.
  10. Click on 'Change connection settings'.
  11. Enter the speeds of your internet connection in the 'Downstream' and 'Upstream' fields.
  12. Enable the 'Use VLAN for internet access' option.
  13. Enter 6 in the 'VLAN ID' field and 1 in the 'PBit' field.
  14. Click on 'Apply' to save the settings.
  15. 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 o2.

6 Setting up telephony in the FRITZ!Box

Entering the VLAN ID for internet telephony

  1. Click on 'Telephony' in the FRITZ!Box user interface.
  2. Click on 'Phone Numbers' in the 'Telephony' menu.
  3. Click on the 'Line Settings' tab.
  4. Click on 'Changing the Settings' in the 'Telephony connection' section.
  5. Click on 'Connection Settings for DSL/WAN'.
  6. Enable the 'VLAN required for internet telephony' option.
  7. Enter 3 in the 'VLAN ID' field.
  8. Enter 4 in the 'PBit' field.
  9. Enable the 'Use a separate connection (PVC) for Internet telephony' option.
  10. By 'Is account information required?', enable the 'No' option.
  11. Enable the 'Obtain the IP address automatically (DHCP)' option.
  12. Click on 'Apply' to save the settings.

Configuring phone numbers

  1. Click on 'Telephony' in the FRITZ!Box user interface.
  2. Click on 'Phone Numbers' in the 'Telephony' menu.
  3. Click on the 'New Phone Number' button.
  4. Select 'Other provider' from the drop-down list.
  5. Enter your phone number without the country code +34 (for example 911234567) by 'Telephone number for registration' and 'Internal phone number in the FRITZ!Box'.
  6. Enter your phone number without the country code +34 (for example 911234567) by 'Username', 'Authentication name', and 'Password'.
  7. Enter telefonica.net in the 'Registrar' field.
  8. Enter 10.31.255.134:5070 in the 'Proxy server' field.
  9. Click on 'Next' and follow the wizard's instructions.

Assigning phone numbers

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

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

  4. From the 'Outgoing Calls' drop-down list, select the number to be used by the telephony device for making outgoing calls. If you do not select a phone number, the number entered under 'Telephony > Telephone Numbers > Line Settings' is used for making calls.
  5. Select the phone 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 on 'Apply' to save the settings.



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