Troubleshooting
Tango Team
What should I do if I have problems making or receiving calls on my landline?
If you are experiencing issues making or receiving calls on your landline, follow the steps below to identify and res...
Tango Team
What to do in case of an Internet or Wi Fi outage?
An Internet connection issue (speed, signal detection, connectivity…) is often related to your FRITZ!Box modem or you...