A:AnswerSVG2482AC VOIP ports provides support for the Xfinity's VOIP services only. If you have a VOIP adapter that can work via an ethernet connection from the SVG2482AC device, then you can use your separate VOIP service
A:AnswerDepends on your internet cabling outside your place not the modem necessarily. If you have fiber, you might get up to 200Mbps. If you have old copper wire (like I did for Uverse) it's gonna run in single digits. I was usually getting less than 3 Mbps. With this unit I get 200Mbps within the house on the wifi, outside to the WWW I get 18Mbps using the WOW network. It's based on the slowest part of your individual network setup.
A:AnswerIt would but the internet from the outside is for a coax cable. When I had AT&T they brought the signal in on a phone line wire. If you have a coax connection it should be just fine.
A:AnswerThe link below provides a list of approved cable modems for optimum..
https://pickmymodem.com/approved-modems-for-optimum-cablevision-internet-service/
A:AnswerDepends on how your place is wired. When I had Uverse they brought the signal in on a phone wire. This modem is only for a coax. If you have coax or can convert, it would work.
A:AnswerI am not sure. Because this cable modem with voice feature, majorly for Xfinity Comcast Internet service. I guess Verizon Fios uses specified modem.
A:AnswerThe Arris SVG2482 is a general-purpose router, plus telephony (voice over IP). If you don't need VoIP it should work fine, provided you're comfortable with the setup process, including making the router's MAC address known to the provider and making any changes needed through the admin screen.
I use it with Comcast/Xfinity. When used with their mobile app I had no issues.
If you need VoIP, or you're unsure about the setup process, then you probably need to find out from the cable provider if they recommend a specific router, and go with that one. If they don't have a recommendation then the Arris should work.