NETGEAR Cable Modem with Voice CM500V
4.2Editor score
Supports up to 300Mbps
Two voice lines included
Affordable rental replacement
In this guide
Finding a cable modem with phone support is essential for households that rely on landline service alongside high-speed internet. These devices combine internet connectivity with voice capabilities, often eliminating the need for separate hardware rentals from your provider.
We evaluated ten top-rated models based on compatibility, speed, voice features, and overall performance. Our analysis focuses on DOCSIS standards, channel bonding, and specific provider certifications to ensure you choose the right hardware for your network needs.
Each pick highlights key strengths and potential limitations to help you decide quickly. Please note that prices and availability fluctuate frequently, so verify current offers before purchasing to ensure you get the best value for your specific setup.
Top 3 Picks for Best Cable Modem with Phone
NETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice (CM2050V)
4.0Editor score
Supports up to 2.5Gbps speeds
Compatible with Xfinity Voice service
Two telephone lines supported
NETGEAR Nighthawk Modem Router Combo (CAX30)
4.1Editor score
WiFi 6 AX2700 speeds
Gigabit+ cable support
Whole home coverage
Top 10 Best Cable Modem with Phone in 2026 Compared
The following table offers a side-by-side comparison of all ten selected models, highlighting their key specifications, compatibility, and voice capabilities to help you make an informed decision.
ProductsSpecificationsEditor scorePrice
Editor's Choice
NETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice (CM2050V)
DOCSIS 3.1
Up to 2.5Gbps
Two phone lines
Xfinity certified
4.0Editor score
Editor's Choice
NETGEAR Nighthawk Modem Router Combo (CAX30)
DOCSIS 3.1
WiFi 6 AX2700
No voice support
Xfinity compatible
4.1Editor score
Best Premium
Motorola MT7711 (24X8) Cable Modem-Two Phone Ports Router
DOCSIS 3.0
AC1900 Router
Two phone ports
Xfinity certified
4.0Editor score
ARRIS (T25) – Cable Modem – Fast DOCSIS 3.1 Gigabit Cable Modem
DOCSIS 3.1
Up to 800Mbps
Two telephony ports
Xfinity certified
4.1Editor score
NETGEAR Nighthawk Cable Modem and WiFi 5 Router Combo (C7000)
DOCSIS 3.0
AC1900 WiFi 5
No voice support
Xfinity compatible
4.2Editor score
NETGEAR Nighthawk Cable Modem with Voice (CM1150V)
DOCSIS 3.1
Up to 800Mbps
Two phone lines
Xfinity certified
4.1Editor score
NETGEAR Nighthawk CM3000 DOCSIS 3.1 Cable Modem
DOCSIS 3.1
Up to 2.5Gbps
No voice support
Xfinity certified
4.3Editor score
NETGEAR Nighthawk Cable Modem WiFi Router Combo with Voice C7100V
DOCSIS 3.0
AC1900 WiFi
Two phone lines
Xfinity certified
4.2Editor score
NETGEAR Cable Modem with Voice CM500V
DOCSIS 3.0
Up to 300Mbps
Two phone lines
Xfinity certified
4.2Editor score
ARRIS Surfboard (24×8) DOCSIS 3.0 Cable Modem Plus AC1750 Dual Band Wi-Fi Router
DOCSIS 3.0
AC1750 Router
Xfinity telephony
Up to 600Mbps
4.0Editor score
1. NETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice (CM2050V) – Best Overall Cable Modem with Phone
NETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice (CM2050V)
DOCSIS 3.1
Up to 2.5Gbps
Two telephone lines
Certified by Xfinity
This model stands out as a top performer for users requiring both high-speed internet and phone service. It holds a solid 4.0 rating from users who value reliability and speed.
Pros
- High speed 2.5Gbps support
- Voice line compatibility
- Multi-gig Ethernet ports
- Easy setup process
- Future-proof connectivity
Cons
- Higher price point
- Xfinity only support
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The modem supports cable plans up to 2.5Gbps, ensuring that even the fastest internet tiers are fully utilized. It includes two phone lines with features like caller ID and conference calling, making it ideal for homes that still rely on landlines.
While the price is higher than budget options, the investment pays off in speed and stability. The only limitation is its exclusivity to Xfinity, so other providers should look elsewhere.
Buyers seeking a future-proof modem with voice capabilities will find this device unmatched. It is highly recommended for Xfinity users needing top-tier performance.
High Speed Performance
The 2.5Gbps Ethernet port allows for true multi-gig connections, perfect for heavy data users.
Voice Service Integration
Seamless integration with Xfinity Voice service ensures clear calls and advanced features without extra hardware.
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2. NETGEAR Nighthawk Modem Router Combo (CAX30) – Best Modem Router Combo
NETGEAR Nighthawk Modem Router Combo (CAX30)
DOCSIS 3.1
AX2700 WiFi 6
Up to 1Gbps
Multi-providers compatible
Although it lacks voice support, this combo is perfect for those prioritizing Wi-Fi and. It combines a DOCSIS 3.1 modem with a powerful AX2700 WiFi 6 router.
Pros
- Built-in WiFi 6
- Wide provider support
- Gigabit speeds
- Whole home coverage
Cons
- No voice ports
- Higher price point
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Its support for Xfinity, Spectrum, and Cox makes it versatile for various users. The WiFi 6 technology ensures stable connections for numerous devices, even during peak hours.
The absence of phone ports means it is unsuitable for landline users. However, for pure internet performance, it is a strong contender.
Choose this if you want a unified device for high-speed internet without needing voice services. It simplifies your network setup significantly.
WiFi 6 Technology
Dual-band AX2700 WiFi 6 provides faster wireless speeds and better handling of multiple devices.
Provider Flexibility
Certified for multiple providers allows easier upgrades and switching without replacing hardware.
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3. Motorola MT7711 (24X8) – Best 3-in-1 Value
Motorola MT7711 (24X8) Cable Modem-Two Phone Ports Router
DOCSIS 3.0
AC1900 Router
Two phone ports
Up to 400Mbps
This 3-in-1 device saves space and money by integrating modem, router, and phone functions. It is a strong choice for households wanting everything in one box.
Pros
- All-in-one device
- Affordable price
- Voice port support
- High channel bonding
Cons
- Renewed unit concerns
- Xfinity only
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With 24×8 channel bonding, it handles up to 400Mbps efficiently. The two phone ports support Xfinity Voice, offering convenience without extra hardware.
As a renewed product, buyers should expect potential cosmetic imperfections, though functionality remains intact. It is best for budget-conscious buyers.
Select this model if you need a complete solution for internet and voice at a lower cost. Its performance is reliable for most home needs.
Cost Efficiency
Replacing three separate devices with one unit significantly reduces equipment rental fees and monthly costs.
Xfinity Voice Compatibility
Specific approval ensures stable landline service alongside high-speed internet without configuration issues.
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4. ARRIS (T25) – Best DOCSIS 3.1 Modem
ARRIS (T25) – Cable Modem – Fast DOCSIS 3.1 Gigabit Cable Modem
DOCSIS 3.1
Two telephony ports
Up to 800Mbps
Easy setup
The ARRIS T25 leverages the latest DOCSIS 3.1 tech for better security and speed. It supports two telephony ports, making it ideal for Xfinity Voice users.
Pros
- DOCSIS 3.1 technology
- Voice line support
- Plug-in setup
- Cost savings
Cons
- Router needed separately
- Xfinity specific
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It handles plans up to 800Mbps comfortably, offering a clear upgrade path. The simple plug-in setup allows for quick activation without technical hassle.
Since it lacks a built-in router, you will need to connect a separate unit for wireless devices. This adds minor complexity but allows flexibility in router choice.
Buyers wanting future-proof wired performance with voice will appreciate this modem. It is a solid upgrade for Xfinity subscribers seeking efficiency.
DOCSIS 3.1 Benefits
This technology provides better security and reduced lag, essential for modern gaming and streaming needs.
Simple Activation
The setup process is straightforward, allowing users to get online in minutes without professional help.
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5. NETGEAR Nighthawk C7000 – Best Combo for Non-Voice Users
NETGEAR Nighthawk Cable Modem and WiFi 5 Router Combo (C7000)
DOCSIS 3.0
AC1900 WiFi 5
No voice ports
Xfinity & Cox
This combo is excellent for those who do not need landline service but want a reliable all-in-one solution. It supports Xfinity and Cox, making it versatile.
Pros
- Combo convenience
- Wide compatibility
- High speeds
- Reliable performance
Cons
- No voice support
- WiFi 5 only
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With AC1900 WiFi, it delivers up to 800Mbps for internet users. The beamforming technology ensures strong signals throughout the house.
While it lacks voice ports, it is a great choice for internet-only plans. The lack of WiFi 6 may limit future upgrades, but it remains effective today.
Choose this if you want a straightforward device for internet and wireless coverage. It simplifies setup for households without landline needs.
Combo Efficiency
Combining modem and router reduces clutter and simplifies power management for your home network.
Provider Compatibility
Certification for multiple major providers allows easy transitions between services without buying new hardware.
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6. NETGEAR Nighthawk CM1150V – Best for 800Mbps Plans
NETGEAR Nighthawk Cable Modem with Voice (CM1150V)
DOCSIS 3.1
Two phone lines
Up to 800Mbps
Four Ethernet ports
This model is designed for users who need both high-speed internet and voice services. It supports Xfinity plans up to 800Mbps with two phone lines.
Pros
- DOCSIS 3.1
- Voice support
- Link aggregation
- Wide ports
Cons
- Expensive option
- No router included
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The four Gigabit Ethernet ports allow for robust wired connections. Link aggregation further boosts speed for high-performance devices.
While the price is on the higher side, the performance and voice capabilities justify the cost. It is ideal for demanding households.
Buyers seeking a dedicated modem with voice will find this device reliable and efficient. It ensures stability for both internet and phone use.
Link Aggregation
Combining two Ethernet ports allows for faster wired speeds, perfect for gaming or 4K streaming.
Voice Features
Advanced call features like conference calling are included, enhancing landline utility beyond basic calls.
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7. NETGEAR Nighthawk CM3000 – Best for Speed
NETGEAR Nighthawk CM3000 DOCSIS 3.1 Cable Modem
DOCSIS 3.1
Mid/High-Split
Up to 2.5Gbps
Multi-provider support
The CM3000 is a powerhouse for speed, utilizing mid/high-split technology for ultra-fast internet. It supports Xfinity, Cox, and Spectrum with up to 2.5Gbps.
Pros
- Highest speeds available
- Future-proof
- Multi-provider
- Stable connection
Cons
- No voice ports
- No built-in WiFi
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Its performance is ideal for households that prioritize bandwidth above all else. With DOCSIS 3.1, it ensures low latency and stable connections.
While it lacks voice ports and WiFi, pairing it with a high-end router creates an unbeatable setup. This model focuses purely on wired performance.
Buyers seeking top-tier internet speeds without landline needs should choose this modem. It is a top choice for tech enthusiasts and gamers.
Mid/High-Split Tech
This revolutionary technology unlocks higher upload and download speeds, surpassing traditional cable modem limits.
Multi-Provider Flexibility
Certification across major providers allows easy switching without hardware replacement, offering significant convenience.
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8. NETGEAR Nighthawk C7100V – Best All-in-One Voice Solution
NETGEAR Nighthawk Cable Modem WiFi Router Combo with Voice C7100V
DOCSIS 3.0
AC1900 WiFi
Two phone lines
Up to 600Mbps
This combo combines modem, router, and voice ports into a single device. It is perfect for Xfinity users needing a unified setup for internet and landline.
Pros
- Combo with voice
- 2 USB ports
- Easy management
- Xfinity certified
Cons
- DOCSIS 3.0 only
- Xfinity only
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With AC1900 WiFi, it provides reliable wireless speeds. The two USB ports allow for additional device connectivity, offering extra functionality.
While limited to DOCSIS 3.0, it remains a solid choice for mid-tier plans. The integration of voice features saves the need for separate hardware.
Buyers wanting convenience and voice support will appreciate this all-in-one solution. It is ideal for households prioritizing simplicity and efficiency.
Integrated Voice
Direct integration ensures stable VoIP service without external adapters or complex configurations.
USB Connectivity
Additional USB ports enable sharing peripherals like printers across the network easily.
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9. NETGEAR CM500V – Best Budget Choice
NETGEAR Cable Modem with Voice CM500V
DOCSIS 3.0
Two phone lines
Up to 300Mbps
Cost-effective
For budget-conscious buyers, this modem offers essential voice and internet capabilities without breaking the bank. It supports Xfinity plans up to 300Mbps.
Pros
- Budget-friendly
- Voice ports
- Simple setup
- Xfinity certified
Cons
- Limited speed
- Basic features
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The two phone lines provide standard features like caller ID. Its simple setup ensures quick activation for new users.
While it lacks high-end speed, it is perfect for basic home use. The cost savings compared to rentals make it a smart investment.
Buyers seeking a reliable, affordable option with voice support should choose this modem. It delivers core functions efficiently without unnecessary complexity.
Budget Savings
Owning this device eliminates monthly rental fees, leading to significant savings over time.
Basic Functionality
Despite lower speed, it handles typical browsing and streaming tasks effortlessly for most households.
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10. ARRIS Surfboard SVG2482AC – Best Renewed Option
ARRIS Surfboard (24×8) DOCSIS 3.0 Cable Modem Plus AC1750 Dual Band Wi-Fi Router
DOCSIS 3.0
AC1750 Router
Two phone lines
Up to 600Mbps
This renewed unit provides a cost-effective way to access both internet and voice services. It combines modem, router, and Xfinity telephony.
Pros
- All-in-one unit
- Affordable
- Voice support
- Solid performance
Cons
- Renewed status
- Xfinity only
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With AC1750 WiFi, it ensures decent wireless coverage. The 24×8 channel bonding supports up to 600Mbps, handling most household needs.
As a renewed product, minor cosmetic wear is possible, but functionality is restored. It is an excellent choice for budget buyers.
Choose this if you want a complete network solution at a lower cost. It delivers strong performance for basic internet and voice needs.
Renewed Benefits
Buying renewed offers significant savings while maintaining functional reliability and warranty coverage.
All-in-One Convenience
Integrating router and modem simplifies your setup, reducing cable clutter and management steps.
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Buying Guide – How to Choose the Best Cable Modem with Phone
Selecting the right cable modem with phone support involves considering compatibility, speed, and voice capabilities to ensure seamless integration with your existing services.
Provider Compatibility
Always verify that the modem is certified for your specific internet provider. While many models support Xfinity, others may be limited to Comcast or lack voice support for other regions.
Check provider lists carefully to avoid incompatibility issues after purchase.
DOCSIS Standard
DOCSIS 3.1 modems offer better performance and future-proofing compared to 3.0 models. Ensure your plan supports the latest standard for maximum speed.
DOCSIS 3.1 modems provide better security and efficiency for high-speed plans.
Voice Port Features
Ensure the device supports two telephone lines if you need multiple extensions. Look for features like caller ID and conference calling.
Two phone lines with advanced features ensure full utilization of voice services.
Speed Ratings
Match the modem's speed rating to your internet plan. A 300Mbps modem won't suffice for a 1Gbps plan, causing performance bottlenecks.
Verify speed ratings to ensure your modem fully supports your current internet tier.
Combo vs. Separate Devices
Combo units save space but may lack flexibility. Separate modems allow you to choose a better router for specific needs.
Combos are convenient, but separate devices offer more customization.
Channel Bonding
Higher channel bonding ratios (e.g., 24×8) handle more data traffic and reduce congestion. This is critical for households with many connected devices.
More channels mean better stability during peak usage times.
Rental Fees
Purchasing your modem can save significant monthly rental fees over time. Calculate long-term savings before choosing between renting or buying.
Buying your own equipment often pays off within a year.
Warranty and Support
Look for models with solid warranty coverage and responsive customer support. Reputable brands typically offer better service for hardware issues.
Strong warranty support ensures peace of mind if problems arise.
How to Use and Care for Your Cable Modem with Phone
Install the modem by connecting the coaxial cable to the wall outlet and plugging in the phone lines for landline service.
Use a separate router if your modem does not have built-in WiFi to ensure wireless devices connect properly.
Keep the modem in a cool, dry place and restart it occasionally to clear cache and maintain optimal performance.
Frequently Asked Questions
Does every cable modem support phone service?
No, only modems with telephone ports (VoIP) support phone service. Check product specifications for voice line compatibility.
Will this work with Verizon Fios?
No, Fios uses fiber optics. Cable modems like these are designed for coaxial cable providers like Xfinity.
How many phone lines can I connect?
Most modems support two phone lines. Verify specific model details for port counts and capabilities.
Do I need to buy a router?
If the modem has built-in WiFi, you do not need a separate router. Otherwise, purchase a compatible router for wireless access.
Are voice calls affected by internet speed?
Voice calls use minimal bandwidth, but poor internet quality may affect call stability. Ensure your plan meets minimum requirements.
Can I use this for a business?
Yes, but ensure your provider allows business use with this device. Some business lines require specific hardware.
How long does activation take?
Activation typically takes 10 to 30 minutes. Contact your provider for assistance if issues arise.
Is a battery backup required?
No, but it ensures phone service works during power outages. Many providers sell backups separately.
Final Thoughts on Choosing the Best Cable Modem with Phone
The NETGEAR Nighthawk CM2050V stands out as our top pick, offering high speeds and reliable voice support.
Prioritize compatibility with your provider and the DOCSIS standard to ensure you get the most value.
Always check current prices and availability before purchasing, as these figures can change frequently.