To use Xfinity Voice service you need a telephone handset and electrical outlets. Inside wiring and jacks are not required for service. Handsets may be connected directly to a Comcast Wireless Gateway device, or inside wiring and jacks can be connected to provide phone service throughout a residence.
Check that your equipment meets our minimum Xfinity Voice requirements.
Note: If you’re using your own modem for Xfinity Voice, you verify that your modem works with your service by visiting My Device Info.
Phone handsets
Phone handsets must:
- Comply with FCC Part 68 rules and regulations.
- Have an industry-standard ring equivalence number (REN) of no more than 1.0.
- Be in good working order.
- Support touch tone (DTMF) dialing.
Electrical outlets used with your digital Voice modem
Electrical outlets used with your digital Voice modem must:
- Be installed and operated in compliance with current state, local, and national codes.
- Have a circuitry capacity of at least 15 amps.
- Not be a switch outlet (except for a circuit breaker).
- Not be shared with more devices than can be powered safely on that circuit.
Inside wiring and jacks used with Xfinity Voice service
Inside wiring and jacks used with Xfinity Voice service must:
- Comply with currently acceptable industry standards for telephone service wiring.
- Be in good working order.
- Have proper and consistent wiring polarity.
Phone splitters
Phone splitters must be used to connect:
- More than one corded phone or wireless base unit directly to the modem.
- A phone and modem/wireless gateway to the same wall jack.
In addition, all equipment must comply with all other applicable FCC, local, state and national electrical and/or other codes.
Note: We may revise requirements for Xfinity Voice at any time. You can view the Xfinity Voice Residential Subscriber Agreement for further information.