5 best cable modems with voice to buy [2021 Guide]

Milan Stanojevic
by Milan Stanojevic
Deputy Editor
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best cable modem with voice

Having a good modem is important for accessing the Internet, but what if you want a modem that has support for the landline phone?

There are many great modems that support this feature, and in this article, we’ll show you the best cable modem with voice support.

Note: Deals are subject to change. Keep in mind that the price tag often varies. We recommend going on the vendor’s website to check the price.

Some of the products may be out of stock by the time you’ve made your purchasing decision. So, hurry up and hit the buy button.

What is the best cable modem with voice to buy?

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Netgear Nighthawk C7100V

  • DOCSIS 3.0, 24×8 channel bonding
  • Works best with cable plans with download speed up to 400Mbps
  • AC1900 Wi-Fi
  • 4x Ethernet ports, 2x USB ports, 2x phone ports
  • Issues with Port Scan and DoS Protection during initial setup

This is a Comcast for Xfinity certified device, so it will work only with Xfinity Internet and voice service.

The device supports DOCSIS 3.0, 24×8 channel bonding and it works best with cable plans up to 400Mbps.

Additional features include built-in AC1900 Wi-Fi, four Ethernet ports and two USB ports.

There are two ports for a phone line, and the phone service supports caller ID, conference calls, call forwarding, etc.

NETGEAR Nighthawk CM1150V

  • 2Gbps speeds
  • 4 Gigabit Ethernet ports
  • 32×8 channel bonding, OFDM 2×2, and DOCSIS 3.1
  • Voice phone support for two telephone lines
  • Compatible only with Xfinity Internet and voice service

It’s worth mentioning that this model is compatible only with Xfinity Internet and voice service, so it won’t work with other provides.

As for the features, the modem delivers up to 2 Gbps speed and it has four Gigabit Ethernet ports.

As for additional features, there’s 32×8 channel bonding, OFDM 2×2, and DOCSIS 3.1.

Voice phone support is there, and it allows you to have 2 telephone lines.

Motorola MT7711

  • 24X8 DOCSIS 3.0
  • Download speeds up to 1000Mbps (recommended 650Mbps)
  • Dual-band AC1900 Wi-Fi
  • Four Ethernet ports
  • Two phone ports
  • Initial setup can be a bit tricky

This modem is certified by Comcast for Xfinity and it won’t work with other ISPs.

Motorola MT7711 offers 24X8 DOCSIS 3.0, and it supports download speeds up to 1000 Mbps, but it’s recommended to use it with Internet packages up to 650Mbps.

There’s also a dual-band AC1900 Wi-Fi router with 4 Ethernet ports so you won’t need any additional network hardware.

The modem has two phone ports that work with Xfinity Voice service.

ARRIS Surfboard TM822R

  • DOCSIS 3.0
  • 8 download and 4 upload channels
  • Download speeds up to 343Mbps
  • Two telephone ports
  • Minor issues with router and DHCP

Just like the previous entries on our list, this device is compatible only with Xfinity voice and Internet service.

This is a DOCSIS 3.0 device and it has 8 download and 4 upload channels. Regarding the download speeds, this modem works with speeds up to 343Mbps.

The modem has a single Gigabit Ethernet port so you can easily connect your Wi-Fi router or any other device. Of course, two phone ports are available as well.

ARRIS Surfboard SVG2482AC

  • 24×8 DOCSIS 3. 0
  • Works best with plans up to 400Mbps
  • Dual-band AC1750 router
  • 4 Gigabit Ethernet ports, 2 phone ports
  • Not compatible with Xfinity Gigabit plans

This is a 24×8 DOCSIS 3. 0 Xfinity certified modem, and it’s perfect for Internet plans up to 400Mbps.

Bear in mind that this device only works with Xfinity Internet and voice service.

The modem has a built-in AC1750 dual-band router with 4 Gigabit Ethernet ports, so you won’t need any additional network hardware.

In addition, there are two phone ports available.


Having a modem that supports phone services can be great.

If you’re looking for such a modem, be sure to consider the models from this list. Do share your choice with us via the comments section below.

FAQ: Learn more about cable modems / modems

  • What is the best cable modem?

To get a precise answer, check out this list of best cable modems with voice.

  • Do cable modems need routers?

If you want to connect more devices, then you do need a Wi-Fi router. Check out these great deals for wireless routers and make a choice.

  • Should I buy my own modem?

Choose one of these best modems without Puma 6 chipset and you’ll see how great it is to enjoy stable Internet connectivity.

Editor's Note: This article was originally published in November 2019 and was revamped and updated in November 2020 for freshness, accuracy, and comprehensiveness.