Question about AVM FRITZ!Box 6890 LTE International

5 years ago

I operate the box with Sunrise LTE and Sunrise ADSL and boosted both accesses. The IP telephony via Sunrise ADSL keeps failing (error 403). I connect the telephones to the Fritzbox via Dect.

5 years ago

I wanted to put this box into operation in my home in Italy. All attempts failed to set up IP telephony without errors. I have returned the box. Unfortunately, I cannot help any further.

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Question about AVM FRITZ!Box 6890 LTE International

I operate the box with Sunrise LTE and Sunrise ADSL and boosted both accesses. The IP telephony via Sunrise ADSL keeps failing (error 403). I connect the telephones to the Fritzbox via Dect.