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FRITZ!Fon does not ring when you receive a call
One or more of the telephones connected to the FRITZ!Box doesn't ring when someone calls you? ✔ Here's what to do.
The FRITZ!Fon sometimes does not ring or never rings when you receive calls, although the telephone is correctly registered with the FRITZ!Box and you can make telephone calls with this number.
Simply proceed as described below. After each measure, check whether the problem is solved.
Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS for the FRITZ!Box.
1 Number of calls over a DECT repeater is limited
A maximum of two of the telephones located in the reception area of a DECT repeater from another manufacturer ring when you receive a call. If you are using a FRITZ!DECT Repeater or a FRITZ!Box in DECT repeater mode, up to five telephones can ring at the same time.
2 Disabling "Do Not Disturb" mode on the telephone
The following steps are only necessary if there is a bell with a line through it at the top of the telephone's display:
- Press the * button on the telephone for 3 seconds to disable the "Do Not Disturb" mode.
3 Switching off the ascending ringtone
The telephone may only ring very quietly at the beginning and cannot be heard because the ascending ringtone was selected:
- Press the "Menu" key on the telephone.
- Scroll to "Settings" and press "OK".
- "Audio" > "OK" > "Volume" > "OK" > "Ringer"
- Select the desired volume.
- Select "Options" and press "Off" so that the desired ring volume is used starting with the next call.
4 Switching the telephone off and on again
- Switch the telephone off by holding down the end call key (red handset) and then switch it on again.
5 Disabling the Do Not Disturb setting, call blocks, and call through
The telephone may not ring because Do Not Disturb, a call block, call diversion, or call through is enabled in the FRITZ!Box. Disable these settings in the FRITZ!Box:
- Click "Telephony" in the FRITZ!Box user interface.
- Click "Telephony Devices" in the "Telephony" menu.
- Click the (Edit) button for the respective telephone.
- Click on the "Do Not Disturb" tab, disable any "Do Not Disturb" settings, and click "OK".
- Click "Telephony" and then "Call Handling", and delete all call blocks.
- Click on the "Call Diversion" tab and delete any call diversion that were configured.
- Click on the "Call Through" tab. If the tab is not displayed, enable the Advanced View first.
- Disable call through and click "Apply".
6 Disabling "DECT Eco"
- Click "Telephony" in the FRITZ!Box user interface.
- Click "DECT" in the "Telephony" menu.
- Disable the option "DECT Eco" in the section "Radio Field Strength".
- Click "Apply" to save the settings.
If the telephone rings now, the DECT connection to the telephone was disturbed. Any devices that emit radio waves could be a source of interference. These include other DECT base stations, baby monitors, mobile telephones, and television antennas, for example. If the telephone does not receive the "wake up" signal from the FRITZ!Box in time and therefore does not wake up from standby mode, repositioning the telephone may help.
7 Assigning telephone numbers to telephones
- Click "Telephony" in the FRITZ!Box user interface.
- Click "Telephony Devices" in the "Telephony" menu.
- Click the (Edit) button for the respective telephone.
- Configure the telephone so that it reacts to incoming calls to the desired telephone number: Enter the number under "Outgoing calls" or "Incoming calls", or enable the option "React to all numbers".
- Click "Apply" to save the settings.
8 Maintaining a permanent internet connection
Calls to your internet telephone number can only reach the FRITZ!Box if an internet connection is active. Some FRITZ!Box models must be configured to permanently maintain the internet connection:
- Click "Internet" in the FRITZ!Box user interface.
- Click "Account Information" in the "Internet" menu.
- Click "Change connection settings".
- Enable the option "Maintain permanently (recommended for flat rates)". If the option is not shown, the FRITZ!Box is already permanently connected to the internet.
- Click "Apply" to save the settings.
9 Having your numbers checked
If the telephone still does not ring when you receive calls to an internet telephone number although the internet connection and internet telephone number were configured correctly, your internet telephony provider is experiencing a problem:
Important:After porting telephone numbers (for example after switching to an IP-based connection), telephone numbers can often be used immediately for outgoing calls. However, you cannot receive calls to these numbers for one or two days because the telephone numbers are not completely ported until then.
- Contact your internet telephony provider and have your number checked.