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Knowledge document #51

Setting up call diversion in the FRITZ!Box

Call diversion allows you to automatically divert all calls or only selected calls to another line, a specific telephone, or an answering machine. Calls are either diverted by the FRITZ!Box, or they are forwarded through your telephony provider's exchange.

For example, you can specify that all calls to a specific telephone number are forwarded to a different line, or that all calls are forwarded to a different line when your line is busy.

Requirements / Restrictions

  • Calls to a mobile telephone number configured in the FRITZ!Box cannot be diverted.
  • For security reasons, you cannot set up call diversions to premium-rate numbers.
  • Calls from "important persons" in your telephone book are forwarded as a parallel call with some types of call diversion. For example, if all calls are diverted immediately, the telephones still ring when these callers call.
  • Internal calls cannot be diverted.

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

1 Setting up call diversion

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "Call Handling" in the "Telephony" menu.
  3. Click on the "Call Diversion" tab.
  4. Click the "New Call Diversion" button.
  5. Define which calls should be diverted:
    Which calls should be diverted?Setting
    All calls
    • Enable "All incoming calls".
    All calls to a specific telephone number
    • Enable "Calls to a telephone number / telephone" and select the telephone number.
    All calls to a telephone connected to an analog extension of the FRITZ!Box
    • Enable "Calls to a telephone number / telephone" and select the telephone.
    All calls from a specific person
    • Enable "Calls by a person in the telephone book" and select a telephone book entry. All of the entries in the telephone book you selected under "Telephony > Telephone Book" are displayed.
    All contacts in a specific telephone book
    • Enable "Calls from all persons in the telephone book" and select a telephone book.
    All calls from a specific telephone number or number range
    • Enable "Calls from the telephone number" and enter a telephone number or number range, for example 0301234.
    All calls from callers who do not transmit their number (anonymous calls)
    • Enable "All calls without a telephone number to".
  6. Define where the calls should be diverted to:

    Important:Configure the answering machine accordingly if you want to divert anonymous calls to an internal answering machine in the FRITZ!Box.

    Divert to where?Setting
    To an internal answering machine in the FRITZ!Box
    • Enable the option "Divert calls to internal answering machine" and select an answering machine.
    To an external telephone number (for example a different line, mobile telephone)
    • Enable the option "Destination telephone number" and enter the destination telephone number.
    To a connected telephone or an answering machine
    • Enable the option "Destination telephone number" and enter the internal number of the device without asterisks. You can find the internal numbers under "Telephone Book > Internal Numbers". It is not possible to divert a call to more than one device.
  7. If you select the option "Automatically" from the drop-down list "Outgoing caller ID", the FRITZ!Box tries to set up call forwarding in the telephone exchange of your telephony provider. The following requirements must be met to set it up at the provider. If it cannot be set up at the provider, calls are diverted in the FRITZ!Box:

    Important:If you set up call blocks for incoming calls in the FRITZ!Box, they are longer applied if call diversion is set up at the provider.

    1. No dialing rules or call blocks are configured in the FRITZ!Box for the destination telephone number.
    2. Your provider supports the setup of call diversions. With some providers, you can also set up call diversions in your personal customer area on the internet.
    3. The option "Calls to a telephone number / telephone" is enabled and a telephone number is selected.
    4. "Immediately", "delayed" or "when busy" is selected as the "Type of call diversion".

      Note:In the FRITZ!Box you cannot see whether the call diversion was set up at your provider's or in the FRITZ!Box.

  8. If you selected the option "Calls to a telephone number / telephone", select the desired setting in the drop-down list "Type of call diversion", for example immediately, when busy, or parallel call. You cannot select the type of call diversion for other call diversions.

    Note:You can find further information on the different settings in the FRITZ!Box's online help, which you can access by clicking the "Help" symbol .

  9. Click "OK" to save the settings and on the FRITZ!Box, confirm that the procedure may be executed, if you are asked to do so.



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