FRITZ!Fon M2 Service - Knowledge Base

FRITZ!Fon M2 Service

Cannot make outgoing calls over a landline

You cannot use FRITZ!Fon to make calls over your landline, although the telephone is correctly registered with a FRITZ!Box.

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.

Simply proceed as described below. After each measure, check whether the issue persists.

1 Enabling the landline settings

  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 "Landline network enabled".
  5. Click "Apply" to save your settings.

2 Entering your location information

  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. Select your country from the drop-down list under "Location Information". If your country is not included in the list, select "Other country".
  5. For the "Country code", enter the country code prefix in the first field and the country code in the second field (for example for Germany "00" and "49", see fig.).
  6. For the "Area code", enter the area code prefix in the first field and the area code in the second field (for example for Berlin "0" and "30", see fig.).

    Fig.: Entering the country code and area code (e.g. for Germany and Berlin)

  7. Click "Apply" to save your settings.

3 Disabling HD telephony

  1. Enter #962*2* on your telephone and press the call key (lift the receiver).
  2. Hang up again after about 3 seconds.

    Note:You can re-enable HD telephony by entering #962*1*.

4 Checking the cabling

Mistakes in the cabling can often be overlooked. Therefore, make sure that the FRITZ!Box is correctly connected to your line:

  • Check the cabling to your landline.

5 Configuring the FRITZ!Box

Reconfiguring your telephone

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "Telephony Devices" in the "Telephony" menu.
  3. Delete the telephone that cannot be used to make calls with. To do so, click the corresponding (Delete) button.
  4. Use the Wizard for telephony devices to reconfigure the telephone: To do so, click the "Configure New Device" button and follow the instructions.

Deleting dialing rules

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "Call Handling" in the "Telephony" menu.
  3. Click on the "Dialing Rules" tab.
  4. Delete all dialing rules for numbers or number ranges to be dialed from the landline. In the factory settings, two dialing rules are configured for emergency numbers. You can change these rules, but you cannot delete or block them.
  5. If a "Global Carrier Prefix" has been entered on the "Carrier Prefixes" tab, delete it and click "Apply".
  6. Do not enter any new dialing rules until you are able to conduct calls from the landline. If the error occurs again, then you are using an incorrect dialing rule.

6 Checking the landline

  1. Disconnect the FRITZ!Box from the landline.
  2. Connect a telephony device to the same telephone line and check whether it works.
  3. If this telephony device also does not work when connected to the telephone line, contact your telephony provider and have your line checked.

    ATTENTION!You may be charged for checking. Ask your telephony provider about charges in advance!