Thanks @Mrbean71 . I saw it, but I'm not able to get the IP address by following that guide

Hi @Marvin_S , many thanks for your suggestion. I've followed the process described in that guide but, unfortunately the VoIP don't run. I followed that guide for TIM as ISP and FTTC technology:...

Hi, I don't able to setup the VoIP service with my ISP TIM (Telecom Italy). The Internet connection works properly, but the VoIP didn't. Below there are all the parameters the I used: The parameters...