Comcast Phone Modems

About

Comcast phone modems, also called eMTA modems (Embedded Multimedia Terminal Adapter), are devices approved to work with Xfinity Voice home phone service. Unlike standard cable modems, these units include a built-in telephone adapter and at least one RJ-11 phone jack, letting you connect a traditional landline handset directly to the modem. Every device in this category is certified by Comcast for use on the Xfinity network and will activate on current Xfinity Voice plans. What Is Xfinity Triple Play? Triple play is a bundled service from Comcast that combines three products on a single bill: home phone (Xfinity Voice), high-speed internet (Xfinity Internet), and television (Xfinity TV). Subscribers typically receive a discount compared to buying each service separately. To run a full triple play setup through a single modem, the device needs to handle voice, route internet to your home network, and broadcast a WiFi signal. That requires three things in one piece of hardware: a DOCSIS cable modem, a telephone adapter, and a wireless router. Which Modems Support Triple Play? Phone-only modems in this category handle Xfinity Voice and wired internet, but you will need a separate router for WiFi. These are a good fit if you already own a router you like. Phone modems with built-in WiFi are full triple play compatible. They combine the modem, phone adapter, and wireless router into a single unit, replacing the rental gateway Comcast typically provides. Look for product titles that include terms like "WiFi," "Gateway," or "AC" (such as AC1750 or AC1900) to identify these all-in-one devices. What to Look For DOCSIS version: DOCSIS 3.1 is recommended for plans above 600 Mbps. DOCSIS 3.0 works for slower tiers. Phone lines: Most models include two RJ-11 ports so you can run two separate phone numbers. Battery backup: Some Xfinity Voice modems support a backup battery to keep phone service running during power outages. WiFi standard: For triple play, choose WiFi 5 (AC) or WiF