@tt WTF?

1. You mean modem, right?
Cuz I'd not remove my #pfSense nor trust any ISP to keep their #CPE safe and secure.

2. I guess you didn't got upgraded to Business Internet Pro Cable?
https://www.vodafone.de/business/festnetz-internet/internet-anschluss-business-internet-pro.html

3. Personally I migrated my lines away from #Vodafone to #DUSnet for #VoIP and only pay outgoing calls and one-time €5 per number for getting them ported to #DUStel...
https://www.dus.net/de/privatkunden/dustel-starter