Choosing a gigabit modem with voice support helps families enjoy high-speed internet and reliable voice service without renting equipment from your provider. Below is a curated guide to top-performing DOCSIS 3.1 and 3.0 combo modems with voice that work with major cable providers like Xfinity, Spectrum, and Cox. Each option combines fast data speeds, multiple voice ports, and easy setup to fit modern home networks.
Summary of chosen products:
| Product | Brand | Key Feature | Provider Compatibility |
|---|---|---|---|
| ARRIS T25 | ARRIS | DOCSIS 3.1, two 1 Gbps ports | Xfinity Internet & Voice |
| NETGEAR CAX30 | NETGEAR | WiFi 6, AX2700, 2.7 Gbps | Xfinity, Spectrum, Cox |
| Motorola MT7711 (24X8) | Motorola | Two telephone ports, DOCSIS 3.0 | Xfinity Internet & Voice |
| NETGEAR CM1150V | NETGEAR | Voice lines, DOCSIS 3.1 | Xfinity Internet & Voice |
| Hitron CODA56 | Hitron | 2.5 Gbps DOCSIS 3.1, modem only | Xfinity/Spectrum/Cox (modem only) |
Note: This article is intended to help American readers compare options. Prices are not listed and may vary by retailer and promotions. Always verify provider compatibility for voice services before purchase.
ARRIS T25 Cable Modem With Voice
ARRIS T25 is a DOCSIS 3.1 cable modem designed for Xfinity Internet and Voice. It emphasizes speed and security, with configuration via the SURFboard Central App. The device is intended to be paired with a separate Wi-Fi router to create a complete home network. Features highlight multi-gig potential and legacy compatibility for future-proofing an internet setup while reducing rental costs.
NETGEAR Nighthawk Modem Router Combo CAX30
NETGEAR CAX30 combines a DOCSIS 3.1 modem with a WiFi 6 router to deliver AX2700 performance. It supports major cable providers, though not all voice services are available everywhere. Coverage claims extend to large homes with supports for many devices, and it includes multiple Ethernet ports for wired devices and potential port aggregation, all designed to reduce monthly rental fees.
Motorola MT7711 (24X8) Cable Modem with Phone Ports
Motorola MT7711 integrates a DOCSIS 3.0 modem with a dual-band AC1900 router and two telephone ports for Xfinity Voice. It supports features like caller ID and call forwarding. The device is intended for use with Comcast/Xfinity Internet and Voice, with the option to disconnect the phone feature by assistance from Motorola support if needed. This model prioritizes voice capabilities alongside high-speed data networking.
Motorola MT7711 (Renewed) Cable Modem With Voice
This renewed offering combines a DOCSIS 3.0 cable modem, AC1900 router, and Xfinity-compatible voice ports. It includes four Gigabit Ethernet ports and two Xfinity voice ports. Approved for Comcast Xfinity Internet and Voice, it is marketed as a budget-conscious option that can eliminate annual rental fees while delivering wired and wireless connectivity to a household’s devices.
NETGEAR Nighthawk Cable Modem With Voice CM1150V
NETGEAR CM1150V is a DOCSIS 3.1 modem with two phone lines and four 1G Ethernet ports. Certified for Xfinity Internet & Voice Plans up to 800 Mbps, it supports connecting a separate router for full wireless coverage. The modem is positioned as a forward-looking option that can scale with evolving Xfinity voice and internet speeds while potentially reducing rental costs.
Hitron CODA56 DOCSIS 3.1 Modem Only
Hitron CODA56 is a modem-only option with DOCSIS 3.1 and a single 2.5 Gbps Ethernet port. It is NOT a router and has no voice capabilities; it is intended for use with a separate Wi‑Fi router. It is compatible with major providers like Xfinity, Spectrum, and Cox and is aimed at users who want maximum data throughput on a dedicated modem device while using their own router for wireless networking.
Buying Guide
When selecting a gigabit modem with voice, consider these factors:
- DOCSIS standard and throughput: DOCSIS 3.1 offers faster multi-gig speeds and better future-proofing, while DOCSIS 3.0 remains adequate for many plans but may cap maximum speeds.
- Voice compatibility: Ensure the model supports your provider’s voice service or is certified for Xfinity Voice. Some devices advertise voice support but are limited to specific plans or regions.
- Provider compatibility and activation: Most modems must be approved for your ISP. Check the compatibility list and activation steps before purchase to avoid service disruption.
- Router integration: Decide if you want a combined modem-router unit or a modem only that you pair with your own router. A separate router can offer greater Wi-Fi customization and coverage.
- Number of Ethernet ports: If you have multiple wired devices (PCs, gaming consoles, NAS), confirm the available ports and consider models with multi-gig Ethernet or USB options for storage devices.
- Voice port count: If voice service is essential, confirm the number of telephone ports and any supported features (caller ID, call forwarding) for your plan.
- Budget vs. rental savings: While upfront cost matters, factor in potential yearly savings from eliminating rental fees. Compare the payback period with your current rental costs.
- Future-proofing: Look for devices with robust security, firmware updates, and compatibility with evolving cable plans to extend hardware life.
This selection emphasizes devices compatible with major cable providers and capable of delivering gigabit speeds with voice support where available. For households prioritizing voice services, models like the ARRIS T25 or Motorola MT7711 offer integrated voice ports, while devices like NETGEAR CM1150V provide dual voice lines with future-ready DOCSIS 3.1 performance. If you prefer a modern wireless experience, the NETGEAR CAX30 prioritizes WiFi 6 and broad coverage with AX2700 speeds, even as you pair it with a separate modem if needed.