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.
| MODEL #: | C7100V | MT7711 | SVG2482AC | CM500V | CM1150V |
|---|---|---|---|---|---|
| CHIP SET: | Broadcom | Broadcom | Puma 6 | Broadcom | Broadcom |
| MODEM & ROUTER: | Yes | Yes | Yes | No | No |
| PHONE JACK: | Yes | Yes | Yes | Yes | Yes |
| DOWNLOAD CHANNELS: | 24 | 24 | 24 | 16 | 232 |
| UPLOAD CHANNELS: | 8 | 8 | 8 | 4 | 8 |
| MAX DOWNLOAD: | 500Mbps | 650Mbps | 500Mbps | 200Mbps | 1Gbps |
| WIRELESS AC: | AC1900 | AC1900 | AC1750 | No WiFi | No WiFi |
| USB PORTS: | (2) USB | None | None | None | None |
| AMAZON PRICE: | Price  |
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Xfinity Voice Modem with Router Combo
Voice Modem and WiFi Router in One
Netgear C7100V: Top Combo Voice Choice. Amazon Price
Motorola MT7711: Clear 2nd Choice and much cheaper. Amazon Price
Arris SVG2482AC: Least favorite choice. Amazon Price.