Phone to the Fritzbox always occupied – possible causes
If the phone and the Fritzbox is always busy, can come from several causes in question. Below, we provide you some solutions:
- You should First make sure your phone is properly connected to the Fritzbox.
- Also, verify that in the box the correct phone number is listed. This can be in the user interface under "telephony" > "Own numbers" check.
- There you can set under "port settings", and location information. Check if these are set correctly.
- You can also try to start the Fritzbox new. You can do this in the menu under "System" > "backup" > "restart“.
- On the basis of the Status-LED "telephony" > "Own numbers" allows you to determine whether you have made the settings correctly. This is the case, if the LED is lit green.
- May be your phone is defective. Replace this to the Test, to the source of the error, or further restrict.
- Possibly there is a Update for your Fritzbox. This you can check under "System" > "firmware Update".
- Of course, you can also use the Fritzbox to factory settings to reset. However, you need to set it up again.
- It is possible that your provider rejects the selected number or has blocked your connection temporarily. In this case, you should contact your Provider by phone.

Fritzbox: phone is always busy
What to do when the Status-LED of the Fritz box blinks red? Learn the answer in our next practice tip.
