NETGEAR Nighthawk CM2050V
4.0Editor score
Multi-Gigabit Speed Support
Two Phone Line Voice Ports
DOCSIS 3.1 Certified
In this guide
Finding the right cable modem with phone support is essential for households that still rely on traditional landline services alongside high-speed internet. These devices combine internet connectivity with voice capabilities, allowing you to maintain your phone service without renting expensive hardware from your provider.
We have evaluated ten top-rated models based on compatibility, speed capabilities, voice features, and overall value. Our analysis focuses on DOCSIS standards, Ethernet ports, and specific provider certifications to ensure you get a reliable device that meets your household needs without unnecessary costs.
Each pick in this list highlights unique strengths such as multi-gigabit speeds, built-in routing, or budget-friendly options. Please note that pricing and availability change frequently, so verify current details before purchasing to ensure you get the best deal for your specific setup.
Top 3 Picks for Best Cable Modem with Phone
Motorola MT7711
4.0Editor score
AC1900 Dual Band WiFi
Two Phone Line Ports
Four Gigabit Ethernet Ports
NETGEAR CM500V
4.2Editor score
Affordable Voice Support
DOCSIS 3.0 Compatible
Compact Design Profile
Top 10 Best Cable Modem with Phone in 2026 Compared
The following table provides a quick side-by-side look at the key specifications of each modem to help you compare speeds, phone port counts, and technology standards at a glance.
ProductsSpecificationsEditor scorePrice
Best Budget
NETGEAR CM2050V
2.5Gbps Max Speed
Two Phone Lines
DOCSIS 3.1
Ethernet Port Only
4.0Editor score
Editor's Choice
NETGEAR CAX30
WiFi 6 Router
No Phone Ports
DOCSIS 3.1
1 Gigabit Ethernet
4.1Editor score
Editor's Choice
Motorola MT7711
400Mbps Max Speed
Two Phone Lines
DOCSIS 3.0
AC1900 WiFi Router
4.0Editor score
ARRIS T25
800Mbps Max Speed
Voice Service Ready
DOCSIS 3.1
No Built-in WiFi
4.1Editor score
NETGEAR C7000
800Mbps Max Speed
No Phone Ports
DOCSIS 3.0
AC1900 WiFi Router
4.2Editor score
NETGEAR CM1150V
800Mbps Max Speed
Two Phone Lines
DOCSIS 3.1
Four Gigabit Ports
4.1Editor score
NETGEAR CM3000
2.5Gbps Max Speed
Modem Only
DOCSIS 3.1
Link Aggregation Ports
4.3Editor score
NETGEAR C7100V
600Mbps Max Speed
Two Phone Lines
DOCSIS 3.0
AC1900 WiFi Router
4.2Editor score
NETGEAR CM500V
300Mbps Max Speed
Two Phone Lines
DOCSIS 3.0
One Gigabit Port
4.2Editor score
ARRIS SVG2482AC
600Mbps Max Speed
Voice Service Ready
DOCSIS 3.0
AC1750 WiFi Router
4.0Editor score
1. NETGEAR Nighthawk CM2050V – Best for Multi-Gigabit Speeds
NETGEAR Nighthawk CM2050V
2.5Gbps Ethernet Port
DOCSIS 3.1 Standard
Two Phone Line Support
Xfinity Voice Certified
The NETGEAR Nighthawk CM2050V is a top-tier choice for users needing high-speed internet alongside traditional phone service. Rated highly for its performance, this modem supports cable plans up to 2.5Gbps while maintaining two voice lines for home phones.
Pros
- Fastest Multi-Gigabit support
- Voice service compatible
- DOCSIS 3.1 future-proof
- Reliable Ethernet connection
Cons
- No built-in WiFi
- Premium price point
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Its DOCSIS 3.1 technology ensures you can handle future bandwidth upgrades without replacing hardware. The dedicated 2.5Gbps Ethernet port allows you to connect a powerful router to maximize wireless speeds throughout your home efficiently.
While it lacks built-in WiFi, this design encourages pairing with a high-performance router for better control. The trade-off is acceptable for users who want dedicated voice features and maximum speed potential without compromise.
Ideal for power users and large households, this modem delivers reliability and speed. It is the best premium option for those prioritizing multi-gigabit performance while keeping landline phone service active.
Future-Ready Multi-Gigabit Speeds
Supports plans up to 2.5Gbps ensuring your home network grows with your needs.
Seamless Voice Integration
Certified for Xfinity Voice with enhanced calling features for two phone lines.
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2. NETGEAR Nighthawk CAX30 – Best WiFi 6 Combo Option
NETGEAR Nighthawk CAX30
WiFi 6 AX2700
DOCSIS 3.1 Ready
Four Gigabit Ethernet
No Phone Ports
The NETGEAR Nighthawk CAX30 combines a cable modem and WiFi 6 router into one powerful device. With an AX2700 rating, it offers smooth streaming and gaming performance across a large home area up to 2,000 square feet.
Pros
- Excellent WiFi 6 coverage
- DOCSIS 3.1 speed
- Simple all-in-one setup
- Strong device capacity
Cons
- No phone line support
- Combo design limitations
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Its DOCSIS 3.1 support ensures compatibility with faster cable plans like Xfinity and Spectrum. Four Gigabit Ethernet ports allow wired connections for consoles and PCs to reduce latency during critical tasks.
However, this unit does not include phone ports for voice service. If you require landline support, you must consider a dedicated voice modem instead of this combo device.
This modem is best for households that prioritize wireless performance and modern WiFi standards. It offers a reliable and fast internet solution for families with multiple connected devices.
Advanced WiFi 6 Technology
Dual-band AX2700 provides robust coverage and capacity for 25 plus devices.
Optimized Gaming Performance
OFDMA improves response times during peak congestion for smoother gaming sessions.
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3. Motorola MT7711 – Best All-in-One Value
Motorola MT7711
AC1900 Dual Band
Two Phone Ports
400Mbps Max Speed
Xfinity Voice Certified
The Motorola MT7711 stands out as a budget-friendly all-in-one solution for Comcast Xfinity subscribers. It combines a 24×8 DOCSIS 3.0 modem with an AC1900 router and includes two phone ports for voice service.
Pros
- All-in-one convenience
- Two phone line ports
- Affordable price point
- Wireless power boost
Cons
- DOCSIS 3.0 only
- No voice backup battery
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This device allows you to eliminate monthly rental fees while keeping your landline active. Its wireless power boost and beamforming technology enhance WiFi range to ensure stable connections in every room of your home.
The trade-off is that it supports speeds up to 400Mbps which might limit future upgrades. Also, it lacks an optional backup battery to keep phones working during power outages.
Ideal for budget-conscious users with moderate speed needs, this modem offers great value. It is perfect for households needing both internet and voice support without paying for separate hardware rentals.
Integrated Voice and Internet
Simplifies setup by combining modem router and voice ports in one unit.
Enhanced Wireless Range
Beamforming focuses signals to connected devices for better range and speed.
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4. ARRIS SURFboard T25 – Best for 800Mbps Plans
ARRIS SURFboard T25
800Mbps Max Speed
DOCSIS 3.1 Ready
Two Voice Ports
Modem Only Device
The ARRIS SURFboard T25 is designed for users seeking DOCSIS 3.1 performance without extra cost. It supports Xfinity Internet and Voice plans up to 800Mbps with two telephone ports for reliable landline service.
Pros
- DOCSIS 3.1 technology
- Two voice ports included
- Stable connection speeds
- Simple activation process
Cons
- No built-in WiFi
- Limited to 800Mbps
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This modem uses advanced OFDMA to reduce lag during peak hours which improves gaming and video calls. Its setup is straightforward with guided steps via the SURFboard Central App for quick activation.
Since it has no built-in WiFi you must pair it with a separate router. This modular approach allows flexibility to upgrade wireless components independently without changing the modem unit.
This device is ideal for users who need fast speeds and voice support but already own a router. It saves rental fees while delivering consistent performance for a modern digital household.
DOCSIS 3.1 Advantages
Provides ten times faster speeds and better security compared to older modems.
Easy Activation Setup
Use the SURFboard Central App for guided setup and quick network management.
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5. NETGEAR Nighthawk C7000 – Best for Dual ISP Support
NETGEAR Nighthawk C7000
800Mbps Max Speed
AC1900 WiFi Router
Four Gigabit Ports
DOCSIS 3.0
The NETGEAR Nighthawk C7000 is a versatile combo device supporting both Xfinity and Cox internet plans. It delivers AC1900 WiFi speeds up to 1.9Gbps with beamforming technology to reduce dead spots throughout your home.
Pros
- Compatible with Cox and Xfinity
- Good value for combo
- Beamforming+ range boost
- USB port included
Cons
- No voice line support
- Outdated WiFi 5
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This modem includes four Gigabit Ethernet ports and one USB port for additional device connectivity. It is designed to save rental fees by providing a reliable all-in-one internet solution for major US providers.
However, it does not support voice lines which means phone service requires separate hardware. Also, it uses WiFi 5 which is older than modern WiFi 6 standards but still effective for most users.
Best for families needing flexible ISP compatibility and a solid combo device, this modem offers strong performance. It is a practical choice for general home use without specialized voice requirements.
Broad Provider Compatibility
Works with major US cable providers ensuring wide adoption and support.
Reliable Wireless Range
Beamforming+ reduces dead spots to keep every device connected reliably.
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6. NETGEAR Nighthawk CM1150V – Best DOCSIS 3.1 Voice Modem
NETGEAR Nighthawk CM1150V
DOCSIS 3.1
Two Phone Lines
800Mbps Max Speed
Link Aggregation Ready
The NETGEAR Nighthawk CM1150V is a robust voice modem certified for Xfinity Internet and Voice plans. It supports speeds up to 800Mbps and includes two telephone lines with enhanced calling features for home use.
Pros
- DOCSIS 3.1 standard
- Two voice ports included
- Link aggregation support
- Strong Xfinity compatibility
Cons
- No built-in WiFi
- High initial cost
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Its DOCSIS 3.1 technology provides better performance and security than older models. Four Gigabit Ethernet ports offer wired connectivity, and link aggregation allows combining two ports for faster data transfer.
Since it lacks WiFi you will need to connect a separate router. While this adds cost it ensures you get the best wireless coverage paired with a powerful voice modem.
Ideal for households needing reliable voice lines and fast internet, this modem delivers performance. It is a top choice for Xfinity users wanting to own their hardware while keeping phone service active.
Advanced Voice Features
Includes caller ID and conference calling for enhanced telephony experience.
High-Speed Data Transfer
Link aggregation combines Ethernet ports to increase wired network throughput.
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7. NETGEAR Nighthawk CM3000 – Best Multi-Gigabit Performance
NETGEAR Nighthawk CM3000
2.5Gbps Ethernet Port
DOCSIS 3.1
No Voice Ports
Up to 1Gbps Upload
The NETGEAR Nighthawk CM3000 delivers revolutionary speeds using mid/high-split technology for up to 2.5Gbps downloads. It is designed for users who need the fastest internet available from major US providers.
Pros
- Fastest Gigabit speeds
- Link aggregation included
- Low latency gaming
- Three provider support
Cons
- No phone line support
- No built-in WiFi
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This modem features one 2.5Gbps Ethernet port and two 1Gbps ports with link aggregation. Such configuration offers the most connectivity options in its class for demanding network setups and gaming.
Note that this model does not support voice lines or WiFi so it requires a separate router. The focus is purely on maximizing data throughput for high-speed internet applications.
Ideal for power users and large households, this modem provides unmatched performance. It is the best choice for those prioritizing raw speed and low latency over voice connectivity.
Revolutionary Speed Tech
Mid/high-split technology unlocks higher bandwidth for faster data downloads.
Gaming and Streaming Ready
OFDMA and Active Queue Management reduce lag for stable connections.
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8. NETGEAR Nighthawk C7100V – Best Voice Combo Device
NETGEAR Nighthawk C7100V
AC1900 WiFi Router
Two Voice Ports
DOCSIS 3.0
600Mbps Max Speed
The NETGEAR Nighthawk C7100V is a rare three-in-one device offering modem router and voice functionality. It supports Xfinity Cable and Voice plans up to 600Mbps with two phone lines for home use.
Pros
- Integrated voice support
- AC1900 WiFi speed
- Two USB ports
- Simple setup process
Cons
- DOCSIS 3.0 limited
- High cost for combo
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Its AC1900 WiFi router provides reliable wireless coverage and includes two USB ports for device sharing. The DOCSIS 3.0 technology ensures stable speeds for streaming and gaming without constant interruptions.
While it is powerful, the price point is high compared to separate units. Additionally, DOCSIS 3.0 may limit future upgrades if you need faster internet speeds beyond 600Mbps.
Best for users seeking a single device solution, this modem offers convenience. It is ideal for households that need voice service and decent WiFi speeds without separate hardware.
All-in-One Convenience
Combines modem router and voice to reduce clutter in your home.
Versatile Connectivity
USB ports allow easy sharing of storage devices across your network.
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9. NETGEAR Nighthawk CM500V – Best Budget Voice Modem
NETGEAR Nighthawk CM500V
DOCSIS 3.0
Two Voice Ports
300Mbps Max Speed
1 Gigabit Port
The NETGEAR Nighthawk CM500V is an affordable choice for Xfinity users needing voice support. It supports cable plans up to 300Mbps with two telephone lines and offers significant savings on monthly rental fees.
Pros
- Very affordable price
- Two voice lines included
- DOCSIS 3.0 standard
- Compact design
Cons
- Limited to 300Mbps
- Fewer Ethernet ports
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This compact modem uses DOCSIS 3.0 to deliver reliable internet speeds suitable for streaming and general browsing. It features one Gigabit Ethernet port to connect your router or computer directly.
The limited speed of 300Mbps means it is not suitable for large households or heavy downloading. However, for smaller setups, it provides a cost-effective way to keep phone and internet active.
Best for budget-conscious users with modest speed needs, this modem is a great value. It is the perfect entry-level option for maintaining phone service without unnecessary expense.
Rental Fee Savings
Own your modem to save up to 168 dollars a year on equipment fees.
Compact and Simple
Simple design ensures easy setup without cluttering your home office.
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10. ARRIS SURFboard SVG2482AC – Best Renewed Option
ARRIS SURFboard SVG2482AC
AC1750 WiFi Router
Two Voice Ports
600Mbps Max Speed
DOCSIS 3.0
The ARRIS SURFboard SVG2482AC offers a reliable combo solution at an affordable price point. This renewed device provides modem router and phone support for Comcast Xfinity subscribers with speeds up to 600Mbps.
Pros
- Affordable renewed device
- Voice service included
- AC1750 WiFi speed
- Comcast certified
Cons
- No security service
- Renewed product condition
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It features AC1750 Dual Band WiFi and four Gigabit Ethernet ports for wired connectivity. This combination allows for efficient data distribution and stable connections for multiple devices in your home.
Since it is a renewed product it may have minor cosmetic imperfections. Also, it does not support home security services which limits advanced features for some users.
Ideal for cost-conscious buyers, this modem offers good performance for its price. It is a solid choice for households seeking to save on fees while maintaining voice and internet.
Value Renewed Product
A renewed option that delivers reliable performance at a fraction of the cost.
Xfinity Service Ready
Certified for Xfinity to ensure compatibility with internet and voice plans.
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Buying Guide – How to Choose the Best Cable Modem with Phone
Selecting the right modem requires balancing speed, voice support, and compatibility with your internet provider.
Provider Compatibility
Ensure the modem is certified for your specific internet and voice provider. Most voice modems are designed for Xfinity or Comcast and may not work with other ISPs.
Check the manufacturer website to confirm voice port support for your provider before purchasing.
DOCSIS Standards
DOCSIS 3.1 offers better security and speed potential than DOCSIS 3.0. If you have gigabit plans, choose a DOCSIS 3.1 modem to avoid future replacements.
For lower speed plans, DOCSIS 3.0 may be sufficient and more affordable.
Voice Port Count
Look for modems with two phone ports if you have multiple phone lines. Some models only support one line which may limit your connectivity options.
Verify that the ports support enhanced features like caller ID and call forwarding.
Built-in WiFi vs Modem Only
Decide if you want a combo modem router or a modem only. Combo units are simpler but may limit upgrade flexibility for advanced users.
Modem only units offer better performance if paired with a high-quality separate router.
Max Speed Support
Choose a modem that supports your current and potential future internet speeds. Under-supported modems can bottleneck your connection and waste money.
Match the modem speed to your plan to ensure maximum performance for home usage.
Budget Considerations
Voice modems can be more expensive than standard modems. Weigh the cost of ownership against monthly rental fees to find the best value over time.
Consider renewed models to save money while maintaining reliability for home use.
Ethernet Port Count
Check how many Ethernet ports are available for wired devices like PCs or consoles. More ports mean more flexibility for direct connections.
Look for link aggregation support to combine ports for faster data transfer rates.
Security Features
Modern modems often include WPA3 and firewall protection to keep your network safe. These features help prevent unauthorized access to your home network.
Ensure the device receives regular firmware updates for ongoing security patches.
How to Use and Care for Your Cable Modem with Phone
Begin by connecting the modem to a power source and coaxial cable. Ensure the power light stabilizes before proceeding to further setup steps for stability.
Attach phone lines to the voice ports and test call functionality using a standard phone device. Verify caller ID and call forwarding features work correctly.
Position the modem in a cool ventilated area away from direct sunlight. Dust it monthly with a soft cloth to prevent overheating and ensure longevity.
Frequently Asked Questions
Will any cable modem work with voice services?
No, only modems certified with voice ports support traditional landline phone services. These models include specific telephone jacks and software support for VoIP voice features.
How many phone lines can a modem support?
Most voice modems support up to two phone lines with enhanced calling features like ID and forwarding. Some models may support only a single line.
Do I need a separate router with a voice modem?
It depends on the model. Some voice modems are modem only and require a separate router, while others include built-in WiFi for convenience.
What is the lifespan of a cable modem?
A typical cable modem lasts between three to five years depending on usage and power conditions. Regular updates and care extend its functional life.
Does a modem without WiFi affect phone service?
No, phone service relies on dedicated voice ports and coaxial connections. WiFi is only needed for wireless internet connectivity.
Can I use these modems with fiber internet?
No, these modems are designed for cable internet and use coaxial cables. Fiber internet requires an ONT unit and specific optical hardware.
Is setup difficult for non-technical users?
Most providers offer step-by-step guides to help you activate your modem. Apps like Nighthawk or SURFboard Central simplify setup with guided instructions.
Can I replace my rented modem with a voice modem?
Yes, you can replace it to save on monthly rental fees. Ensure the device is compatible with your provider to avoid service disruptions.
Final Thoughts on Choosing the Best Cable Modem with Phone
This guide has explored ten top options ranging from high-speed multi-gigabit modems to affordable voice units. The NETGEAR Nighthawk CM2050V stands out for speed while the Motorola MT7711 offers great all-in-one value.
Prioritize compatibility with your specific provider and the number of phone lines you need. Matching these factors to your internet speed plan ensures you get reliable service without unnecessary upgrades.
Check current prices and availability before purchasing as offers change often. Owning your hardware saves money in the long run while keeping your landline service active.