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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.
  • A maximum of 32 call diversions for calls from an "Entry in telephone book" and calls from individual telephone numbers can be configured in the FRITZ!Box
  • 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. In the section "Calls that Are to Be Diverted", define which calls should be diverted. With some call diversions you can also specify whether only calls to a specific number or all calls should be diverted:
    Which calls should be diverted?Setting
    All calls
    • Enable "All Calls".
    All calls to a specific telephone number
    • Enable "Calls to" and select the telephone number.
    All calls to a telephone connected to an analog extension of the FRITZ!Box
    • Enable "Calls to" and select the telephone.
    All calls from a specific person
    • Enable "Calls from", select "person in the telephone book", select a telephone book entry, and select whether only calls to a specific number or all calls should be diverted.
    All contacts in a specific telephone book
    • Enable "Calls from", select "Entire telephone book", select a telephone book, and select whether only calls to a specific number or all calls should be diverted.
    All callers without a telephone book entry
    • Enable "Calls from", select "not in telephone book", and select whether only calls to a specific number or all calls should be diverted.
    All calls from a specific telephone number or number range
    • Enable "Calls from", select "Individual telephone number", enter a telephone number or a number range, i.e. 0301234, and select whether only calls to a specific number or all calls should be diverted.
    All calls from callers who do not transmit their number (anonymous calls)
    • Enable "Calls from", select "Without telephone number (anonymous)", and select whether only calls to a specific number or all calls should be diverted.
  6. In the section "Diversion of Calls", define which calls should be diverted:

    Important:Configure the answering machine accordingly if you want to divert unknown callers 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 "To answering machine" and select an answering machine.
    To an external telephone number (for example a different line, mobile telephone)
    • Enable the option "To destination telephone number" and select a telephone book entry or select "not in telephone book" and enter the destination telephone number.
    To a connected telephone or an answering machine
    • Enable the option "To telephone" and select the telephone.
  7. If you select the option "Automatically" from the drop-down list "Telephone Number for Diversion", 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" is enabled and a telephone number is selected.
    4. The "Type of Diversion" is set to "Immediately", "delayed" or "when busy".

      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", select the desired setting in the drop-down list "Type of diversion", for example immediately, when busy, or parallel call. You cannot select the type of call diversion for other call diversions.
  9. Click "Apply" to save the settings and on the FRITZ!Box, confirm that the procedure may be executed, if you are asked to do so.

2 Enabling the schedule

You can use the schedule to automatically enable or disable call diversions or, if required, use the user interface or MyFRITZ!App:

  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. Enable the option "Switch call diversion on and off by schedule".
  5. In the weekly overview, select the times when call diversion should be enabled by highlighting the desired times in blue.

    Note:You can select the same periods of time for several days by moving the mouse over the weekly overview while holding down the left mouse button.

  6. In the list of all call diversions, enable the ones the schedule should be valid for.
  7. Click "Apply" to save the settings.

Now the schedule is set up and takes effect as soon as the next switching time has been reached.

Important:If the incorrect switching state (enabled or not enabled) is displayed for the call diversion now, manually enable or disable it once. The schedule will not be deactivated if you switch it off manually. Instead, it automatically takes effect when the next switching time has been reached.



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