I hear static during phone calls. What can I do?

If the voice fidelity of your phone calls is impaired for either participant by static, crackling, pauses, delay, or echoes, please make sure that your FRITZ!Box has the current firmware version installed. To update the firmware, follow the instructions here.

At AVM, our products undergo continuous development, and each firmware update can offer you new and improved functions and features, including optimized voice fidelity. Updates are always provided free of charge. For optimum enjoyment of your FRITZ!Box, we recommend that you always use the latest firmware.