If you have Comcast Triple Play or Xfinity Voice, then you must buy an approved voice modem with a phone jack such as the ARRIS SVG2482AC, Motorola MT7711 or Netgear C7100v Nighthawk.
If you have Xfinity Triple Play, there is no way around buying a compatible voice modem. Sure it may cost more upfront, but it will still save you money in the long run because you will no longer be paying the $14 a month rental fees. It will also provide you with the newer technology and more advanced higher-performing wifi cable modem with a phone jack and a built-in wireless router.
The highly-rated Netgear C7100v is a combo modem router, meaning you do not have to purchase a separate wireless router, you get both in one device. A high speed 24 downstream channel DOCSIS 3.0 EMTA voice modem, and a powerful wireless gateway for Comcast Xfinity Triple Play Internet.
A full chart containing all of the important factors for choosing a voice modem designed specifically to work with your Xfinity Triple Play package.
|CHIP SET:||Broadcom||Broadcom||Puma 6||Broadcom||Broadcom|
|MODEM & ROUTER:||Yes||Yes||Yes||No||No|
|WIRELESS AC:||AC1900||AC1900||AC1750||No WiFi||No WiFi|
|USB PORTS:||(2) USB||None||None||None||None|