After moving within the city, I got 3 more numbers from my provider additionally to my 4 numbers. I used one analog telephone with cable and a DECT phone, both worked well until some months ago with 3

Some customers may encounter an issue when setting up the VoIP service on the TP-Link VoIP modem routers. Refer to this article to troubleshoot first on your own before reaching out to a tech support

The problem occurs on different models: https://community.tp-link.com/en/home/forum/topic/159481 There is obviously no connection between the telephone book und the telephone protocoll for some incomi