Hello,
We have a few questions about your desired setup with the FRITZ!Box 7690 and would therefore ask you to contact us directly in the purchasing advice centre so that we can discuss your setup in detail with you on the phone and show you the options.
You can reach our purchasing advice service from Monday to Thursday from 8.30 a.m. to 6 p.m. and on Fridays from 8.30 a.m. to 5 p.m.
under this phone number:
+49 30 399 766 96
If you prefer to write to us, you can do so via this website:
https://avm.de/service...We look forward to hearing from you and providing you with comprehensive advice on the FRITZ!Box 7690.
Kind regards from Berlin
Your AVM team
Yes, you can connect the FRITZBox 7690 to a Sunrise Connect Box 3 and also use FritzFon. Here are the steps to set this up:
## Connection between FRITZBox 7690 and Sunrise Connect Box 3
- Make sure that the Connect Box 3 is operated as a modem. To do this, you must switch the Connect Box 3 to bridge mode. Go to the user interface of the Connect Box 3 (via `192.168.1.1` in the browser), enter the password and activate modem mode.
- Connect the FRITZBox 7690 to the 2.5 Gbit LAN port of the Connect Box 3 using a LAN cable. This ensures the best possible connection speed.
## Setting up the FRITZBox 7690
- Call up the user interface of the FRITZBox 7690 and start the Internet Access Wizard. Select the entry "Other suppliers" or "Manual setting", as the FRITZBox 7690 does not directly rely on the Sunrise settings when the Connect Box 3 is operated in bridge mode.
- Configure the Internet connection according to the wizard's instructions.
## Setting up FritzFon
- Once the Internet connection has been set up, go to the user interface of the FRITZBox 7690 and navigate to "Telephony".
- Configure your telephony devices here by clicking on "Telephony devices" and specifying the corresponding phone numbers and settings. You can register up to six DECT telephones to the integrated DECT base station.
## Country settings and other configurations
- Make sure that the country settings are set to "Switzerland" in order to use all functions correctly, including telephony. To do this, go to "System" > "Region and language" > "Country settings" and select "Switzerland".
By following these steps, you can successfully connect the FRITZBox 7690 to a Sunrise Connect Box 3 and use FritzFon and other functions of the FRITZBox.