Arris TM822G Cable Modem Review

The Arris TM822G Touchstone Ultra-High speed telephony modem is an advanced cable modem designed for home or small business use. Capable of delivering fast data rates and redundancy for any Voice over IP system you may have, the TM822G caters for very heavy and demanding Internet users. The TM822G also contains troubleshooting tools, helping to determine network problems faster and more efficiently.

Arris TM822G Modem
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Arris TM822G Touchstone Ultra-High Speed Telephony Modem Features

VoIP Greatness
The TM822G has two redundant primary lines for Voice over IP, along with the option to fit a battery pack, you know your phone presence will always be available, even if you lose power.

Cable – Up To 300Mbps
The Arris TM822G is capable of delivering over 300Mbps into your home or business via cable.

Multiple Protocol Support
NCS (Network Based Call Signaling), Legacy SIP (Session Initiation protocol), and PacketCable 2.0 IMS signaling protocols are all supported for whatever VoIP methods you want to use.

Loopback Testing
Test your Internet connection via the ISP side or internal wiring side with advanced diagnostic troubleshooting tools. Visual and in-built diagnostic tools are available to determine if there is an internal wiring issue, or if there is an issue with connectivity to your ISP.

Configuration Options
Options to configure Loop Voltage Management, Loop Current or Ringing Waveform.

Arris TM822G Technical Specs

  • 10/100/1000mbps Ethernet Interface
  • 2 Lines Telephony Interface RJ14
  • 48 V DC Supervisory Voltage
  • Up To 8 Bonded Channels
  • 64 or 256 QAM Modulation

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3 Comments - Write a Comment

  1. I just bought mine at It was the cheapest I could find online and they even offer free shipping, warranty, and even set up instructions specific to Comcast! It was easy to set up and now I am well on my way to escaping the dreaded lease fee and will break even and save even more in no time.

  2. Can you call me — I got this morning and I want to know what what do I have to do to hook it up I tried but it didn’t came on to upholster call Time Warner Cable

    1. · Edit

      Hi Joe,

      For your security, we removed your phone number from your post.

      It’s probably best you contact Time Warner for best guidance:


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