NETGEAR Nighthawk CM500V
4.2Editor score
Supports up to 300 Mbps
Includes two phone lines
DOCSIS 3.0 technology
In this guide
Finding a reliable cable modem with phone support is essential for households that still depend on traditional landline services. These devices combine high-speed internet connectivity with voice capabilities, ensuring seamless communication without extra hardware. Choosing the right model can save you significant monthly rental fees while delivering consistent performance for all your connected devices.
We evaluated ten top-rated cable modems featuring built-in voice ports to determine which ones offer the best value and performance. Our analysis considered compatibility with major providers like Xfinity, speed capabilities under DOCSIS standards, and the quality of voice call features. Each product was scrutinized for its ability to handle modern bandwidth demands while supporting telephone lines effectively.
Every pick in this list showcases specific strengths, from budget-friendly options to high-performance multi-gig models. We highlight key features, pros, and cons to help you make an informed decision based on your unique needs. Please note that prices and availability may change frequently, so verify current details before purchasing your preferred device.
Top 3 Picks for Best Cable Modem with Phone
NETGEAR Nighthawk CM2050V
4.0Editor score
Supports up to 2.5Gbps
Certified for Xfinity Voice
Multi-gig Ethernet port
ARRIS T25 Cable Modem
4.1Editor score
DOCSIS 3.1 technology
Up to 800 Mbps support
Voice port included
Top 10 Best Cable Modem with Phone in 2026 Compared
This table provides a side-by-side comparison of the ten selected cable modems with phone capabilities, highlighting their core specifications and compatibility details to help you quickly identify the best fit for your internet service provider and usage needs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
NETGEAR Nighthawk CM2050V
DOCSIS 3.1
Up to 2.5Gbps
2 Phone Lines
Xfinity Certified
4.0Editor score
Editor's Choice
NETGEAR Nighthawk CAX30
DOCSIS 3.1
WiFi 6 Router
Up to 1Gbps
No Voice Support
4.1Editor score
Best Premium
Motorola MT7711
DOCSIS 3.0
AC1900 WiFi
2 Phone Ports
Xfinity Compatible
4.0Editor score
ARRIS T25
DOCSIS 3.1
Up to 800Mbps
Voice Ports
Xfinity Certified
4.1Editor score
NETGEAR C7000
DOCSIS 3.0
AC1900 WiFi
No Voice Support
Xfinity Certified
4.2Editor score
NETGEAR CM1150V
DOCSIS 3.1
Up to 800Mbps
2 Phone Lines
Xfinity Certified
4.1Editor score
NETGEAR CM3000
DOCSIS 3.1
Up to 2.5Gbps
No Voice Support
Xfinity Certified
4.3Editor score
NETGEAR C7100V
DOCSIS 3.0
AC1900 WiFi
2 Phone Lines
Xfinity Certified
4.2Editor score
NETGEAR CM500V
DOCSIS 3.0
Up to 300Mbps
2 Phone Lines
Xfinity Certified
4.2Editor score
ARRIS SVG2482AC
DOCSIS 3.0
AC1750 WiFi
Xfinity Phone
Up to 600Mbps
4.0Editor score
1. NETGEAR Nighthawk CM2050V – Best Overall for High-Speed Voice
NETGEAR Nighthawk CM2050V
DOCSIS 3.1 Standard
Up to 2.5Gbps Speed
Two Telephone Lines Support
Multi-gig Ethernet Port
The NETGEAR Nighthawk CM2050V stands out as a top choice for users needing both fast internet and reliable phone service. Rated highly for its performance, this modem supports cable plans up to 2.5Gbps and includes two dedicated phone lines for voice calls. It is an excellent option for households that want to maximize their bandwidth while keeping landline connectivity.
Pros
- Handles multi-gig plans easily
- Strong Xfinity Voice certification
- Fast setup process
- Includes 2.5Gbps Ethernet
- Future-proof technology
Cons
- Higher price point
- Xfinity voice only
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This modem is built with DOCSIS 3.1 technology, ensuring it can handle the latest high-speed plans from providers like Xfinity. The inclusion of a 2.5Gbps Ethernet port allows for direct wired connections that fully utilize multi-gig internet speeds. It also supports enhanced voice features such as caller ID and three-way calling, making it a versatile device for modern communication needs.
While the CM2050V offers impressive performance, it is designed specifically for Xfinity Voice service and may not work with other providers. Additionally, the price is higher than budget options, which might be a consideration for cost-conscious buyers. However, the ability to save on rental fees and gain high-speed connectivity often justifies the investment.
If you are subscribed to Xfinity and need a modem that supports both fast internet and telephone lines, this model is a strong recommendation. It provides the speed and reliability needed for demanding applications like streaming and gaming while maintaining voice functionality. Users should ensure their plan matches the modem's capabilities before purchasing.
Multi-Gigabit Performance
The 2.5Gbps Ethernet port ensures your wired devices can access the fastest speeds available on your plan.
Voice Compatibility
Certified for Xfinity Voice, this modem supports up to two phone lines with features like call forwarding.
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2. ARRIS T25 Cable Modem – Best Premium Tech for Xfinity
ARRIS T25 Cable Modem
DOCSIS 3.1 Standard
Up to 800 Mbps Speed
Two Voice Ports Included
Gigabit Ethernet Ports
The ARRIS T25 is a sleek and modern modem designed for users seeking DOCSIS 3.1 performance with voice capabilities. It supports Xfinity Internet and Voice service, making it a convenient choice for bundled plans. With up to 800 Mbps support, it offers reliable speeds for streaming and gaming while providing voice lines for home telephony.
Pros
- DOCSIS 3.1 technology
- Supports Xfinity Voice
- Easy app setup
- Reduces rental fees
- Secure modem technology
Cons
- No built-in WiFi
- Limited to 800 Mbps plans
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This device simplifies setup with the SURFboard Central App, guiding you through activation and network connection. It features Gigabit Ethernet ports for wired connections and includes voice ports for telephone service. The DOCSIS 3.1 technology ensures better security and lower latency compared to older models, enhancing your overall internet experience.
One limitation is that the T25 does not include built-in WiFi, requiring a separate router for wireless connectivity. Additionally, it is capped at 800 Mbps, which may not suit users with higher-tier plans. Despite these factors, its modern design and voice support make it a compelling option for many households.
Choose the ARRIS T25 if you want a modern modem with voice support and plan to use a separate router for WiFi. It is well-suited for Xfinity subscribers who value ease of setup and reliable performance without paying rental fees.
Easy App Setup
The SURFboard Central App guides you through plug-in activation and helps manage your connection securely.
Voice Integration
Includes two voice ports for Xfinity service, enabling clear calls without extra adapters or boxes.
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3. NETGEAR Nighthawk CM500V – Best Budget Voice Modem
NETGEAR Nighthawk CM500V
DOCSIS 3.0 Standard
Up to 300 Mbps Speed
Two Phone Lines Supported
1 Gigabit Ethernet Port
The NETGEAR Nighthawk CM500V is an affordable option for users who need a modem with voice support for Xfinity service. It supports cable plans up to 300 Mbps and includes two phone lines for telephone usage. This model is ideal for smaller households or those with moderate internet needs who want to avoid monthly rental charges.
Pros
- Affordable price point
- Supports Xfinity Voice
- Simple setup process
- Saves rental fees
- Reliable performance
Cons
- Limited to 300 Mbps
- No advanced features
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This modem is designed to work seamlessly with Xfinity Voice service, providing enhanced call features like caller ID and call forwarding. It connects via Ethernet to your WiFi router, ensuring stable wireless coverage for your devices. The DOCSIS 3.0 technology provides reliable speeds and efficient channel bonding for consistent performance.
While it offers great value, the CM500V is limited to 300 Mbps plans and does not support higher-speed tiers. It also lacks advanced features found in newer models, such as DOCSIS 3.1 capabilities. However, for basic internet and voice needs, it delivers solid performance at a budget-friendly price.
If you are looking for a cost-effective modem with voice support for Xfinity, the CM500V is a practical choice. It covers essential needs without breaking the bank, making it a smart pick for budget-conscious users.
Cost Savings
Purchasing this modem saves you significant monthly rental fees over time, improving long-term value.
Voice Features
Includes two phone lines with features like 3-way conference calling to enhance communication options.
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4. NETGEAR Nighthawk CM1150V – Solid Mid-Range Voice Modem
NETGEAR Nighthawk CM1150V
DOCSIS 3.1 Standard
Up to 800 Mbps Speed
Four Gigabit Ethernet Ports
Two Phone Lines Support
The NETGEAR Nighthawk CM1150V combines DOCSIS 3.1 performance with voice support for Xfinity customers. It supports plans up to 800 Mbps and includes four Gigabit Ethernet ports for robust wired connections. With two phone lines and link aggregation capabilities, it offers a balanced mix of speed and connectivity for medium-sized households.
Pros
- DOCSIS 3.1 speed
- Multiple Ethernet ports
- Xfinity Voice certified
- Link aggregation support
- Strong build quality
Cons
- Higher price for voice
- No built-in WiFi
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This modem is engineered with advanced channel bonding and OFDMA technology, ensuring stable performance during peak usage times. The link aggregation feature allows you to combine two Ethernet ports for faster wired speeds, which is useful for gaming consoles or large file transfers. Voice features include caller ID and conference calling for seamless communication.
Although it offers excellent performance, the CM1150V comes with a higher price tag compared to non-voice models. It also requires a separate router for WiFi, which adds to the total setup cost. However, the flexibility of wired connections and reliable voice service make it a worthwhile investment for many users.
Choose the CM1150V if you need DOCSIS 3.1 speeds along with voice service and prefer multiple Ethernet ports. It is a solid choice for users who prioritize wired connectivity and reliable voice features over all-in-one convenience.
Link Aggregation
Combine two Ethernet ports to achieve up to 2Gbps wired speeds for demanding network tasks.
Voice Integration
Designed for Xfinity Voice, supporting two lines with enhanced features to keep calls clear and connected.
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5. NETGEAR Nighthawk CM3000 – Fastest Non-Voice Modem
NETGEAR Nighthawk CM3000
DOCSIS 3.1 Mid/High-Split
Up to 2.5Gbps Download
Multi-gig Ethernet Port
No Voice Ports
The NETGEAR Nighthawk CM3000 is designed for users who prioritize maximum internet speed over voice capabilities. It supports DOCSIS 3.1 mid/high-split technology to deliver up to 2.5Gbps download speeds. This modem is ideal for households with high-bandwidth needs and those who use separate VoIP solutions for voice calls.
Pros
- Fastest speeds available
- Supports major providers
- Link aggregation support
- Low-latency performance
- Future-proof technology
Cons
- No phone lines
- Requires separate router
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With multi-gig Ethernet ports and link aggregation, the CM3000 provides extensive wired connectivity for various devices. It works with major providers like Xfinity, Cox, and Spectrum, offering flexibility in choosing your internet plan. The modem includes Active Queue Management to ensure low latency for gaming and video calls.
Since it lacks voice ports, users who rely on traditional phone lines through their cable provider should not choose this model. Additionally, it requires a separate WiFi router to create a wireless network at home. Despite this, its performance and speed make it a top choice for power users.
If you need the fastest cable modem available and handle voice through other means, the CM3000 is an excellent pick. It delivers incredible speed and stability, making it perfect for streaming, gaming, and heavy internet usage.
Mid/High-Split Tech
Utilizes advanced mid/high-split technology to unlock faster upstream speeds beyond standard cable modems.
High-Speed Connectivity
Features a 2.5Gbps Ethernet port and link aggregation to support multi-gig internet plans efficiently.
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6. Motorola MT7711 – Best All-in-One Voice Option
Motorola MT7711
DOCSIS 3.0 Standard
AC1900 WiFi Router
Two Phone Ports
Up to 400 Mbps
The Motorola MT7711 is an all-in-one solution that combines a cable modem with a router and voice support. It supports Xfinity Internet and Voice service with up to 400 Mbps speeds. This renewed model offers a cost-effective way to replace multiple devices with a single unit for streamlined home networking.
Pros
- Includes built-in router
- Two voice ports
- Eliminates rental fees
- Good wireless range
- Easy Xfinity setup
Cons
- Renewed product
- DOCSIS 3.0 only
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Equipped with AC1900 Dual Band WiFi, this modem-router combo provides solid wireless coverage for various devices. It includes four Gigabit Ethernet ports and two phone ports for landline service. The built-in router allows you to connect devices wirelessly without needing an additional piece of hardware.
While the MT7711 offers convenience, it is a renewed product which may carry some uncertainty regarding condition. Additionally, DOCSIS 3.0 technology is older and may not support future high-speed upgrades as well as newer models. However, it remains a reliable option for moderate speed plans.
Choose the Motorola MT7711 if you want an all-in-one device that handles both internet and voice. It simplifies your setup and can save money compared to renting equipment from your provider.
All-in-One Convenience
Combines modem, router, and voice ports into a single unit to reduce clutter and simplify setup.
Wireless Performance
AC1900 WiFi with power boost provides strong signal strength across your home for connected devices.
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7. ARRIS Surfboard SVG2482AC – Compact All-in-One Voice Modem
ARRIS Surfboard SVG2482AC
DOCSIS 3.0 Standard
AC1750 WiFi Router
Xfinity Telephony
Up to 600 Mbps
The ARRIS Surfboard SVG2482AC is a renewed all-in-one modem that supports Xfinity Internet and Voice services. It features AC1750 Dual Band WiFi and supports plans up to 600 Mbps. This device simplifies your home network by combining modem, router, and voice capabilities into a single compact unit.
Pros
- Integrated router
- Voice telephony included
- Compact design
- Supports 600 Mbps plans
- RDK-B technology
Cons
- Renewed item
- No home security support
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With RDK-B technology, this modem is designed to support next-gen Xfinity services. It includes multiple Gigabit Ethernet ports for wired connections and handles voice calls through integrated telephony ports. The design helps reduce the number of cables and devices required for your internet setup.
One notable limitation is that it does not support Xfinity Home Security or control services without a specific router. As a renewed product, it may not come with original warranty benefits. Despite this, it remains a practical choice for those seeking an affordable all-in-one solution.
If you need a compact modem that supports both internet and voice for Xfinity, the SVG2482AC is a suitable option. It offers good value for users who do not require high-end security features.
Unified Design
Integrates modem, router, and voice into a single box to minimize clutter and simplify installation.
Performance Specs
Supports AC1750 speeds to handle 600 Mbps plans with dual-band wireless connectivity for all devices.
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8. NETGEAR C7100V – Reliable Voice Combo Modem
NETGEAR C7100V
DOCSIS 3.0 Standard
AC1900 WiFi Speed
Two Phone Lines
Up to 600 Mbps
The NETGEAR Nighthawk C7100V is a versatile combo modem that supports both internet and voice services. It handles Xfinity plans up to 600 Mbps and includes two phone lines for telephone use. With an AC1900 router built in, it simplifies your home setup by reducing the need for additional hardware.
Pros
- Includes WiFi router
- Two voice ports
- Supports 600 Mbps
- Battery backup support
- Secure encryption
Cons
- No DOCSIS 3.1
- Optional battery backup
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This device supports optional battery backup for power outages, keeping your phone lines active during short blackouts. It features robust security with WPA encryption and firewall protection to keep your network safe. The combo design ensures reliable performance for streaming and communication on a single device.
While it offers good speed and convenience, it relies on older DOCSIS 3.0 technology which limits future upgrade potential. Also, the battery backup is sold separately, adding to the total cost. However, its ease of use and voice support make it a solid pick for many users.
Consider the C7100V if you want a straightforward modem-router combo with voice support for Xfinity. It is well-suited for households that value simplicity and consistent performance.
Combo Convenience
Combines modem and router with voice ports to simplify your home network setup and reduce clutter.
Battery Backup
Optional battery backup allows phone calls to continue during power outages for essential communication.
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9. NETGEAR C7000 – Classic WiFi Voice Modem
NETGEAR C7000
DOCSIS 3.0 Standard
AC1900 WiFi Router
No Voice Support
Up to 800 Mbps
The NETGEAR C7000 is a reliable combo modem-router designed for users who need high-speed internet without voice requirements. It supports major providers like Xfinity and Cox with speeds up to 800 Mbps. This model includes an AC1900 router to provide wireless connectivity for multiple devices in your home.
Pros
- Includes WiFi router
- Supports multiple providers
- Strong security features
- Easy app management
- High-speed Ethernet ports
Cons
- No voice ports
- Older WiFi 5 tech
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With four Gigabit Ethernet ports and a USB port, the C7000 offers versatile wired connections for various devices. It features robust security including double firewall protection and automatic firmware updates. The Nighthawk app allows easy management of your network settings and connected devices from your smartphone.
While it lacks voice ports, it remains a popular choice for those who use VoIP for calls. The WiFi 5 technology is stable but older compared to WiFi 6 options. For users focused on speed and reliability without voice needs, it provides solid performance at a reasonable cost.
Choose the C7000 if you need a combo modem for high-speed internet and do not require traditional phone lines. It is a practical choice for users who prefer all-in-one networking solutions.
Multi-Provider Support
Compatible with major cable providers like Xfinity and Cox, offering flexibility in your service choices.
Network Security
Built-in firewall and encryption keep your home network secure from threats while automatically updating firmware.
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10. NETGEAR CAX30 – Advanced WiFi 6 Modem
NETGEAR CAX30
DOCSIS 3.1 Standard
WiFi 6 Router
No Voice Support
Up to 1Gbps
The NETGEAR CAX30 is a modern combo modem-router that brings DOCSIS 3.1 speeds and WiFi 6 technology to your home. It supports major providers like Xfinity, Spectrum, and Cox with reliable wireless connectivity. This model is ideal for users who need fast internet and modern WiFi standards but do not require phone lines.
Pros
- Includes WiFi 6 router
- DOCSIS 3.1 speed
- Multi-device capacity
- Secure encryption
- Easy app setup
Cons
- No voice ports
- Higher price point
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Designed to handle over 25 devices, the CAX30 provides strong coverage for large homes with multiple users. It features WPA3 encryption and robust security tools to protect your data. The Nighthawk app offers intuitive control over your network settings, making management easy for all users.
While it offers advanced features, it does not support voice lines which may be necessary for some households. The higher price may also be a consideration for budget-focused buyers. However, the WiFi 6 capabilities and DOCSIS 3.1 performance make it a powerful device for future-ready networks.
Select the CAX30 if you prioritize WiFi 6 speeds and want a reliable combo modem without voice lines. It is well-suited for households with many connected devices and high-speed internet needs.
WiFi 6 Coverage
Dual-band AX2700 WiFi 6 provides coverage up to 2,000 sq ft for seamless wireless connectivity.
Modern Security
Includes WPA3 encryption and firewall protection to keep your home network and connected devices safe.
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Buying Guide – How to Choose the Best Cable Modem with Phone
Selecting the right cable modem with phone support involves evaluating compatibility, speed capabilities, and voice features to ensure a seamless user experience.
Provider Compatibility
Ensure the modem is certified by your internet service provider to avoid activation issues. Many voice-enabled modems are designed for specific providers like Xfinity and may not work with others.
DOCSIS Standards
Look for modems with DOCSIS 3.1 to support faster speeds and improved efficiency. Older DOCSIS 3.0 models may limit your ability to upgrade to higher internet plans in the future.
Speed Ratings
Match the modem's speed rating with your current internet plan. If you plan to upgrade, choose a modem with higher speed capabilities to accommodate future increases.
Voice Ports
Check the number of phone lines supported by the modem. Most models support two lines, but some may offer more. Ensure the features match your household's telephony needs.
Ethernet Ports
Consider the number and speed of Ethernet ports available. More ports allow you to connect multiple devices directly, while faster ports support high-speed wired connections.
All-in-One vs Separate
Decide between a modem with a built-in router and separate units. All-in-one models reduce clutter but may have weaker WiFi performance compared to standalone high-end routers.
Rental Fees
Calculate how much you save by owning a modem versus renting one. Over time, owning can lead to significant savings, offsetting the initial purchase cost.
How to Use and Care for Your Cable Modem with Phone
To begin, connect the coaxial cable from your wall outlet to the modem's input port. Ensure the connection is tight to prevent signal loss or interference.
Plug in the power cable and wait for the modem to boot up and establish a connection with your provider. This process can take several minutes depending on the network.
Connect your telephone devices to the modem's phone ports using standard phone cables. Once connected, the voice lines should be active and ready for use.
Frequently Asked Questions
Can I use any cable modem with voice services?
No, voice services require specific certification from your provider. Ensure the modem supports voice functionality and is approved by your cable provider before purchasing.
Do I need a separate router with a voice modem?
Not necessarily, some models come with built-in routers. However, standalone modems require a separate router for wireless connectivity.
How many phone lines can these modems support?
Most voice-enabled modems support two phone lines. Some models may offer more, but two is the standard for residential use.
What happens if the power goes out?
Without a backup battery, your voice service will stop working during a power outage. Some models support optional battery backups to extend functionality.
Are these modems compatible with all providers?
No, voice modems are typically restricted to specific providers like Xfinity. Always check the compatibility list before buying.
Do voice modems work with VoIP services?
They can support VoIP through Ethernet connections, but built-in voice ports usually work with the provider's landline service.
Final Thoughts on Choosing the Best Cable Modem with Phone
We highlighted ten top cable modems with phone support, offering options for various speeds and budgets. The NETGEAR CM2050V stands out for high-performance needs, while the CM500V is ideal for budget-conscious buyers.
Prioritize compatibility and speed ratings to ensure your modem meets your current and future needs. Consider voice features and connectivity options to match your household's specific requirements.
Prices and availability can change quickly, so check the latest details before purchasing. Choose the model that fits your needs to enjoy reliable internet and seamless phone service.