ModemGuides BlogGuides for people who would rather own their hardware than rent it.
Home Networking · Topic
Every Home Networking article tagged Xfinity Voice setup, newest first.
2 articles
Troubleshooting
A complete guide to activating your own modem on Comcast Xfinity, including online self-activation, phone activation, and how to activate a phone modem for Xfinity Voice service.
Review
The pressure to give your child a smartphone is high, but the "Wait Until 8th" movement is growing. Learn why bringing back the landline is the smart parenting move of 2026 to protect developing brains. Plus, get step-by-step instructions on how to...
From the ModemGuides store
Your ISP bills you every month for hardware you never own. Every unit in our store is professionally refurbished, hand tested in the US, and backed by our 90-day warranty.
Shop by provider
XfinitySpectrumCoxCenturyLinkBrightspeedVerizon FiosOptimumMediacom
Shop refurbished gearBest sellersSee all
GreenWave C4000LG CenturyLink WiFi 6 Single Line xDSL Modem RouterCenturyLink, Brightspeed
Verizon Fios G3100 Router | Tri-Band WiFi 6, MoCA 2.5Verizon Fios
Actiontec C3000A CenturyLink DSL Modem Router | Bonded VDSL2CenturyLink, Brightspeed
Refurbished ARRIS DG3450 Modem Router Combo, Spectrum ApprovedSpectrum, TDS