The AVM FRITZBox Fon is a type of Internet router and VoIP gateway device manufactured by AVM. It provides voice over IP (VoIP) and internet access via broadband connections, often used for both home and office telecommunication needs. It allows users to make phone calls over the internet, as well as offering network and Wi-Fi functionality. The FRITZBox Fon usually has features such as DECT support for cordless phones, DSL or fiber broadband capabilities, and even integrates with home automation systems.

The Windows driver for the AVM FRITZBox Fon is typically related to either the FRITZ!, USB ports (for USB connections), or the VoIP telephony features that can interact with a Windows computer. These drivers enable the proper functionality for features such as connecting the FRITZBox Fon to a Windows computer via USB, configuring the device, or using the FRITZ!Box for VoIP calling and internet access.