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Knowledge Base document #3620

Setting up the FRITZ!Box for use with a fibre optic connection from Swisscom

The FRITZ!Box is optimally prepared for use with Swisscom. Simply connect the FRITZ!Box to the fibre 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 TV (blue TV) is then available to all of the devices in your home network without restriction.

Note:The FRITZ!Box 5690 XGS and the FRITZ!Box 5590 Fiber Edition XGS-PON the are among the XGS-PON modems/routers tested and approved by Swisscom (see BBCS Proved Equipment List).

Requirements / Restrictions

  • FRITZ!Box Fiber with SFP plug-in module 'FRITZ!SFP XGS-PON'.

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

1 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 no SFP plug-in module was inserted in your FRITZ!Box, perform the following steps:

  1. Insert the SFP module 'FRITZ!SFP XGS-PON' into the fibre slot of the FRITZ!Box.
    Inserting the SFP module into the FRITZ!Box

2 Connecting the FRITZ!Box to your fibre optic connection

  1. Remove the dust protection caps from the fibre optic cable, the SFP module in the FRITZ!Box, and from the fibre optic socket (OTO).
  2. Connect the fibre optic cable to the SFP module in the FRITZ!Box and to the fibre optic socket. Do not bend the fibre 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 fibre optic cable in our guide Which fibre optic cable do I need?

    Connecting the FRITZ!Box to the fibre optic connection

3 Plugging the FRITZ!Box in

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

4 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. If the wizard for internet access does not start automatically, click on 'Wizards' and then on 'Configure the Internet Connection'.
    Calling up the FRITZ!Box wizard
  4. Select 'Swisscom FTTH DHCP' from the drop-down list.
  5. Click on 'Next' and follow the wizard's instructions.

5 Registering the FRITZ!Box with Swisscom

  1. Call up https://swisscom.ch/start in your web browser. It may take a few minutes for the page to be shown.
  2. Click on 'Jetzt starten' and follow Swisscom's instructions. If the FRITZ!Box cannot be registered, contact Swisscom.

6 Setting up telephony in the FRITZ!Box

Requesting login information for telephony

  1. Ask Swisscom to send you your login information for telephony (for example username and password), via SMS as described in this guide.

Configuring phone numbers

  1. Click on 'Telephony' in the FRITZ!Box user interface.
  2. Click on 'Telephone 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 including the area code (for example 41441234567) by 'Telephone number for registration'.
  6. Enter your phone number (for example 1234567) by 'Internal phone number in the FRITZ!Box'.
  7. Enter the login information you received from Swisscom by 'Username' and 'Password'.
  8. Enter swisscom.ch in the field 'Registrar'.
  9. Enter fs1.ims.swisscom.ch in the 'Proxy server' field.
  10. Click on 'Additional Settings' to display all of the settings.
  11. Enable the 'Use phone number for registration' option.
  12. 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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