NETGEAR CM500V
4.2Editor score
Affordable DOCSIS 3.0 option
Works with Xfinity Internet and Voice
Saves monthly rental fees
In this guide
Finding a reliable cable modem with phone support is essential for households that need both high-speed internet and landline voice services. These devices combine connectivity with VoIP capabilities, ensuring your calls stay clear and your data flows smoothly.
We compared ten leading models based on compatibility, speed capabilities, and voice features. Our analysis focuses on DOCSIS standards, Ethernet ports, and provider certifications to help you make an informed decision.
Each pick includes detailed specs and real-world performance notes. Prices and availability change frequently, so verify current offers before purchasing to ensure you get the best deal for your specific service plan.
Top 3 Picks for Best Cable Modem with Phone
NETGEAR Nighthawk CM2050V
4.0Editor score
Supports up to 2.5Gbps speeds
Certified for Xfinity Voice service
Includes two phone lines support
ARRIS T25
4.1Editor score
DOCSIS 3.1 technology
Up to 800 Mbps support
Enhanced security features
Top 10 Best Cable Modem with Phone in 2026 Compared
The following table provides a side-by-side comparison of all ten reviewed products. It highlights key specifications like speed tiers, DOCSIS versions, and voice capabilities to streamline your selection process.
ProductsSpecificationsEditor scorePrice
Editor's Choice
NETGEAR CM2050V
DOCSIS 3.1
2.5Gbps Max Speed
Xfinity Voice Certified
Two Phone Lines
4.0Editor score
Editor's Choice
NETGEAR CAX30
Combo Modem Router
DOCSIS 3.1
Up to 1Gbps
WiFi 6 Coverage
4.1Editor score
Best Premium
Motorola MT7711
Combo Modem Router
DOCSIS 3.0
Xfinity Voice Ports
AC1900 Wi-Fi
4.0Editor score
ARRIS T25
DOCSIS 3.1
Up to 800 Mbps
Xfinity Voice Support
Two Telephony Ports
4.1Editor score
NETGEAR C7000
Combo Modem Router
DOCSIS 3.0
Up to 800 Mbps
AC1900 Wi-Fi
4.2Editor score
NETGEAR CM1150V
DOCSIS 3.1
Up to 800 Mbps
Xfinity Voice Support
Two Phone Lines
4.1Editor score
NETGEAR CM3000
DOCSIS 3.1
Up to 2.5Gbps
Mid/High-Split Tech
Multi-Gig Ports
4.3Editor score
NETGEAR C7100V
Combo Modem Router
DOCSIS 3.0
Up to 600 Mbps
Two Voice Ports
4.2Editor score
NETGEAR CM500V
DOCSIS 3.0
Up to 300 Mbps
Xfinity Voice Certified
Two Phone Lines
4.2Editor score
ARRIS SVG2482AC
Combo Modem Router
DOCSIS 3.0
Up to 600 Mbps
Xfinity Telephone Support
4.0Editor score
1. NETGEAR Nighthawk CM2050V – Best Overall Cable Modem with Phone
NETGEAR Nighthawk CM2050V
DOCSIS 3.1
2.5Gbps Ethernet Port
Xfinity Voice Certified
Two Phone Line Support
The NETGEAR Nighthawk CM2050V stands out as the top choice for users seeking high-speed internet combined with reliable voice services. It supports plans up to 2.5Gbps and is certified for Xfinity Voice with enhanced call features.
Pros
- Supports up to 2.5Gbps speeds
- Enhanced call features
- Works with any WiFi router
- Fast and easy setup
- Multi-gig Ethernet connectivity
Cons
- Not compatible with Verizon or AT&T
- Xfinity Voice only
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This modem is engineered for the fastest multi-gig speeds available today. Its DOCSIS 3.1 technology ensures efficient data handling, while the two phone lines support makes it ideal for families needing multiple voice connections.
While it offers exceptional performance, users should note that it is designed exclusively for Xfinity services. It does not work with Verizon, AT&T, or other non-cable providers, limiting its versatility.
If you are on a Xfinity Triple Play plan, this modem is an excellent investment. It replaces rental equipment and ensures your voice and internet connections are stable and high-performing.
High-Speed Performance
With DOCSIS 3.1 and a 2.5Gbps Ethernet port, this modem handles large downloads and streaming effortlessly.
Enhanced Voice Features
Caller ID, three-way conference calling, and call forwarding are built-in to enhance your home phone experience.
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2. NETGEAR CAX30 – Best All-in-One Connectivity Solution
NETGEAR CAX30
Combo Modem Router
DOCSIS 3.1
AX2700 WiFi 6
Up to 1Gbps
The NETGEAR CAX30 is a powerful combo device that merges a cable modem with a WiFi 6 router. It is ideal for households needing robust internet speeds but requires separate voice equipment.
Pros
- Combines modem and router
- WiFi 6 coverage
- Gigabit Ethernet ports
- Nighthawk app control
Cons
- No voice support included
- Requires separate voice equipment
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It supports Xfinity, Spectrum, and Cox plans up to 1Gbps. The AX2700 WiFi 6 provides excellent coverage for up to 2,000 square feet with capacity for 25+ devices.
However, this model does not include phone ports. If you need voice service integrated, you will need a separate adapter or modem, which may increase setup complexity.
For users prioritizing Wi-Fi performance and simplicity in hardware, this combo unit is strong. It offers great value for those who do not require built-in telephony.
Comprehensive Connectivity
Four gigabit Ethernet ports ensure your gaming consoles and streaming devices remain hardwired for stability.
Smart App Management
The Nighthawk app lets you manage networks and run speed tests from anywhere in your home.
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3. Motorola MT7711 – Best Budget All-in-One Option
Motorola MT7711
Combo Modem Router
DOCSIS 3.0
AC1900 Wi-Fi
Two Voice Ports
The Motorola MT7711 is a versatile three-in-one device combining a cable modem, AC1900 router, and two voice ports. It is tailored for Comcast Xfinity users seeking to consolidate hardware.
Pros
- Integrated modem and router
- Supports Xfinity Voice
- Eliminates rental fees
- Wireless power boost
Cons
- Requires Comcast Xfinity
- No backup battery included
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This model supports internet speeds up to 400 Mbps and integrates seamlessly with Xfinity X1 services. The built-in wireless power boost improves range and signal quality significantly.
While it is an affordable option, it does not include a backup battery. Power outages may disrupt phone services unless you purchase an optional battery separately.
If you are on a budget and need both internet and voice in one box, this unit delivers. It effectively eliminates monthly rental fees for both modem and phone services.
Integrated Design
By combining modem and router functions, you save space and reduce the number of power cords needed.
Xfinity Compatibility
Certified by Comcast, this modem ensures reliable performance with Xfinity Internet and Voice plans.
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4. ARRIS T25 – Best DOCSIS 3.1 Modem for Voice
ARRIS T25
DOCSIS 3.1
Up to 800 Mbps
Xfinity Voice Certified
Two Telephony Ports
The ARRIS T25 utilizes DOCSIS 3.1 technology to provide faster speeds and better security than older models. It is approved for Xfinity Internet and Voice services up to 800 Mbps.
Pros
- Latest DOCSIS 3.1
- Secure setup via app
- Reduces cable bills
- Supports 800 Mbps
Cons
- Xfinity plans only
- No built-in router
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This modem simplifies activation through the SURFboard Central app. Its advanced chipset ensures low latency for gaming and reliable connectivity for voice calls.
However, it lacks a built-in router, so you will need a separate unit to connect wireless devices. This adds to the initial cost but allows for more flexibility in network design.
If you want modern tech for Xfinity plans, this is a solid pick. It helps reduce rental fees while keeping your voice and internet services running smoothly.
Modern Technology
DOCSIS 3.1 offers 10x faster speeds than 3.0, providing better future-proofing for your home network.
Secure and Simple
Pre-set Wi-Fi security and guided app setup make it easy to get started quickly.
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5. NETGEAR C7000 – Best for High-Speed Bundled Plans
NETGEAR C7000
Combo Modem Router
DOCSIS 3.0
AC1900 Wi-Fi
Up to 800 Mbps
The NETGEAR C7000 combines a modem and router into one unit, perfect for users needing internet connectivity without telephony. It supports plans up to 800 Mbps from major providers.
Pros
- Integrated modem and router
- Works with Xfinity and Cox
- Beamforming+ boosts range
- USB port included
Cons
- No voice support
- Older DOCSIS standard
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Its AC1900 Wi-Fi 5 technology ensures fast speeds even during peak hours. Beamforming+ technology directs signals to devices, reducing dead spots in your home.
This model does not include voice ports, so it is unsuitable for those needing phone service. Additionally, it uses DOCSIS 3.0, which is slightly less efficient than 3.1.
For non-voice users seeking reliable performance, this is a great option. It simplifies your setup and offers good coverage for streaming and gaming.
Dual-Band Efficiency
The 2.4GHz and 5GHz bands balance range and speed for connected devices throughout your home.
Device Flexibility
A USB 2.0 port allows you to connect storage drives or printers directly to the router.
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6. NETGEAR CM1150V – Best Mid-Range Voice Modem
NETGEAR CM1150V
DOCSIS 3.1
Up to 800 Mbps
Xfinity Voice Support
Two Phone Lines
The NETGEAR CM1150V is a dedicated cable modem with voice capabilities certified for Xfinity plans up to 800 Mbps. It features DOCSIS 3.1 for modern performance.
Pros
- Supports DOCSIS 3.1
- Compatible with any router
- Save rental fees
- Link aggregation available
Cons
- Pricey for Xfinity users
- Voice features limited
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It connects to any WiFi router via its gigabit Ethernet ports. This flexibility allows you to upgrade your network without changing the modem.
While reliable, it is priced higher than some competitors. Additionally, the voice features are standard but may lack advanced options found in premium routers.
If you want DOCSIS 3.1 speed and Xfinity voice compatibility, this modem is a solid choice. It balances performance with ease of use for most homes.
Link Aggregation
Combining two gigabit ports allows for faster wired connections to specific high-demand devices.
Broadband Support
OFDM 2×2 technology ensures efficient spectrum use for better performance on cable lines.
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7. NETGEAR CM3000 – Best Future-Proof High-Speed Modem
NETGEAR CM3000
DOCSIS 3.1
Up to 2.5Gbps
Mid/High-Split
Link Aggregation
The NETGEAR CM3000 is designed for users with the fastest internet plans. It supports DOCSIS 3.1 mid/high-split technology for up to 2.5Gbps downloads.
Pros
- Future-proof speeds
- Mid/high-split technology
- Compatible with major ISPs
- Multi-gig ports
Cons
- No voice support
- No built-in Wi-Fi
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It works with Xfinity, Cox, and Spectrum. Its active queue management reduces lag, making it ideal for gaming and video calls.
This modem does not include voice ports or Wi-Fi, requiring a separate router. It is a high-end device aimed at power users needing top-tier wired speeds.
If you have a high-speed tier plan and want a reliable backbone for your network, this modem is worth the investment. It ensures you can take advantage of future upgrades.
Ultra-Fast Speeds
Mid-split technology unlocks higher bandwidth than standard cable modems can provide today.
Robust Ports
Multiple Ethernet ports allow you to wire critical devices for maximum stability.
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8. NETGEAR C7100V – Best for All-in-One Voice Users
NETGEAR C7100V
Combo Modem Router
DOCSIS 3.0
AC1900 Wi-Fi
Two Voice Ports
The NETGEAR C7100V is a three-in-one device combining modem, router, and voice capabilities. It supports Xfinity cable and voice plans up to 600 Mbps.
Pros
- Integrated modem, router, and voice
- Up to 600 Mbps
- USB ports included
- Battery backup option
Cons
- Xfinity plans only
- Older DOCSIS standard
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With two USB ports and gigabit Ethernet ports, it offers good connectivity options. It also supports optional battery backup for power outages.
Its DOCSIS 3.0 standard is slightly outdated compared to newer models. However, for many households, this is sufficient for everyday tasks.
This model is ideal for Xfinity users wanting one device for all services. It simplifies setup and reduces equipment clutter effectively.
Flexible Connectivity
USB ports allow for local storage sharing and printer access directly through the router.
Power Reliability
Optional backup ensures your phone lines stay active during short-term power outages.
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9. NETGEAR CM500V – Best Affordable Voice Modem
NETGEAR CM500V
DOCSIS 3.0
Up to 300 Mbps
Xfinity Voice Certified
Two Phone Lines
The NETGEAR CM500V is a budget-friendly option for users needing voice support. It supports plans up to 300 Mbps and is certified for Xfinity Voice service.
Pros
- Low cost
- Xfinity Voice compatible
- Simple setup
- Saves rental fees
Cons
- Limited speed tier
- No advanced features
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Its DOCSIS 3.0 technology ensures reliable connectivity. It works with any separate WiFi router, allowing flexibility in your network setup.
While it lacks advanced features, it covers the basics well. For basic households, the performance is adequate for streaming and voice calls.
If you want to save money on rentals without sacrificing voice capability, this is a smart choice. It provides essential features at a low price point.
Affordable Voice Support
Two phone lines allow for basic household communication needs at a low cost.
Easy Installation
Simple plug-and-play setup means you can get online in minutes without technical skills.
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10. ARRIS SVG2482AC – Best Budget Combo Modem
ARRIS SVG2482AC
Combo Modem Router
DOCSIS 3.0
AC1750 Wi-Fi
Two Voice Ports
The ARRIS SVG2482AC combines a modem, router, and Xfinity telephony in one affordable package. It supports plans up to 600 Mbps.
Pros
- 3-in-1 unit
- Xfinity telephone support
- Affordable price
- Renewed options available
Cons
- No gigabit Ethernet
- Xfinity home security not supported
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With four Ethernet ports and AC1750 Wi-Fi, it provides good coverage. However, it does not support Xfinity home security without an additional router.
The absence of gigabit Ethernet limits wired speeds. But for typical internet usage, the performance is sufficient.
This modem is a great budget option for Xfinity users. It consolidates multiple services into one box for cost savings.
Affordable Bundle
Saving money by combining modem, router, and phone service is easy with this unit.
Comcast Specific
Certified exclusively for Comcast Affinity internet and voice services.
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Buying Guide – How to Choose the Best Cable Modem with Phone
Choosing the right cable modem with phone requires understanding compatibility and features. Consider these factors to ensure the device meets your home internet and voice needs.
Provider Compatibility
Cable modems with phone support are often tailored to specific providers like Xfinity. Always verify that the modem is certified for your ISP and service plan.
Choosing a compatible modem prevents activation issues and ensures full access to your subscribed services.
DOCSIS Standard
DOCSIS 3.1 modems offer faster speeds and better security than DOCSIS 3.0. If you have gigabit plans, a 3.1 modem is necessary to utilize full bandwidth.
Investing in the latest DOCSIS standard future-proofs your network against speed upgrades.
Internet Speed Tiers
Match the modem's maximum speed capability with your internet plan. Using a 300 Mbps modem for a 1 Gbps plan will bottleneck your connection speed.
Always select a modem rated for your plan's maximum speed to avoid performance limitations.
Voice Feature Support
Voice modems typically support two phone lines. Check if advanced features like caller ID or conference calling are included in your specific model.
Understanding voice capabilities helps you decide if you need a dedicated phone modem or a standard one.
Modem vs Combo Units
Combo units integrate a router and modem, simplifying setup. However, dedicated modems often provide better performance and upgrade flexibility for your router.
Choose a dedicated modem if you want advanced Wi-Fi technology separate from the cable connection.
Ethernet Ports
Ethernet ports allow for wired connections to computers and gaming consoles. Look for at least four gigabit ports for optimal performance.
More Ethernet ports ensure you can connect all your devices without needing extra switches.
Cost Efficiency
Buying your own modem eliminates monthly rental fees. Over time, the savings often outweigh the initial purchase cost.
Consider the total cost of ownership including potential savings from avoiding ISP rental charges.
Warranty and Support
A good warranty ensures you are protected against hardware failures. Brands like NETGEAR and ARRIS offer reliable customer support.
Selecting a reputable brand with strong support helps resolve issues quickly.
How to Use and Care for Your Cable Modem with Phone
Connect the modem to your coaxial cable outlet and power source. Ensure all cables are secure before turning on the device.
For voice functionality, plug your telephone into the phone ports on the modem. You may need to activate the voice service through your provider first.
Place the modem in a well-ventilated area to prevent overheating. Periodically restart the device to maintain optimal performance and fix minor issues.
Frequently Asked Questions
Can any cable modem support phone service?
Not every cable modem supports phone service. You need a modem with telephony ports and VoIP capability to use landline services over the internet connection.
Do I need a separate router?
If you purchase a dedicated modem, yes. However, combo units include a router. Check the product specifications to confirm what is included.
What providers support cable modems with phone?
Most cable modems with phone support are designed for Xfinity. Some models may support others, but always verify compatibility with your specific ISP before buying.
How do I activate the phone service?
Activation usually requires contacting your provider. Once the modem is connected, they will provision the voice lines and ensure they work correctly.
Can I use VoIP services like Skype on this modem?
Yes, dedicated VoIP services will work as long as your internet connection is stable. The modem ports are designed for telephony services.
Do I save money by buying my own modem?
Yes, owning your modem eliminates monthly rental fees which can add up to over $150 annually. The initial purchase cost is typically recovered within a year.
Final Thoughts on Choosing the Best Cable Modem with Phone
The NETGEAR CM2050V and ARRIS T25 lead the category with high speeds and reliable voice support. For budget-conscious buyers, the NETGEAR CM500V offers excellent value.
Prioritize compatibility with your internet provider and DOCSIS version. Ensuring your modem matches your service plan avoids performance issues.
Prices fluctuate frequently, so check current listings before purchasing. Always verify that the modem fits your specific voice and internet requirements.