@Daniel3355 Hi, thanks for you post. I tried changing the DNS settings but still no luck. I am using the SIP login details I got from Cable4 with all the right settings and ports but it still doesn't...

@Marvin_S I have already tried every step detailed in that guide and it's not working.

I use my VR2100v with an ONT. Internet is working just fine but I can't get my telephone working. I have all the correct settings from my provider (Cable4 in Germany) but it can't connect. I get the...