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Question

G54 Voice Limitations

  • December 31, 2025
  • 2 replies
  • 26 views

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Hello & Happy New Year,

Xfinity is my in-home provider. I recently increased my internet plan to 1 Gig Plan, download speeds up to 1000 Mbps and Upload speeds up to 35Mbps

This increased seep requires me to replace a very old Arris. Numerous friends have recommended the G54 plus it’s compatible with Xfinity. Great!

  • BUT. Arris said the G54 is designed for internet only and doesn’t support Xfinity Voice service. This model won’t work because it can’t carry voice signals and Xfinity doesn’t enable voice on it.

Would someone knowledgeable please recommend a router/modem that equates to a Model G54 + Voice? Thank you.

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2 replies

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According to Xfinity, models G34, G36, and G54 are recommended for your subscribed internet speed plan of 1 Gbps. Please refer to the link below for the list of Xfinity-approved modems.

https://assets.xfinity.com/assets/dotcom/projects/cix-4997_compatible-devices/2025.03.25%20Full%20List%20of%20Compatible%20Devices.pdf

However, we do not offer a modem/router combination equivalent to the G54, nor do we have a combination unit that supports both modem/router functionality and voice service. 


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  • Author
  • The Many
  • January 5, 2026

Thank you for the response. Unfortunately, the Xfinity website is incorrect about the G54 as it does not support voice, which I have as a part of my plan.