NETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice
4.0Editor score
Supports up to 2.5Gbps speeds
Certified for Xfinity Voice service
Includes 2 phone lines with features
In this guide
Finding a reliable cable modem with phone capabilities is essential for households that want to save money on rental fees while keeping their landline service active. These devices combine high-speed internet connectivity with voice ports, allowing you to manage both services through a single piece of hardware without needing extra equipment.
We have carefully evaluated ten top-rated models based on their compatibility with major providers like Xfinity, their DOCSIS technology standards, and their ability to support multiple phone lines. Our analysis focuses on performance metrics, ease of setup, and overall value to help you make an informed decision for your specific internet plan needs.
Each pick in this list highlights specific strengths such as speed capabilities, voice feature sets, and build quality to ensure you find the right match for your home network. Please note that pricing and availability can change frequently, so checking the latest details on the product pages is recommended before finalizing your purchase.
Top 3 Picks for Best Cable Modem with Phone
NETGEAR Nighthawk Cable Modem with Voice
4.1Editor score
DOCSIS 3.1 technology support
Four Gigabit Ethernet ports
Compatible with 800Mbps plans
NETGEAR Cable Modem with Voice
4.2Editor score
Affordable entry-level option
Supports up to 300Mbps
Built-in voice port support
Top 10 Best Cable Modem with Phone in 2026 Compared
This side-by-side comparison highlights the key specifications and capabilities of each modem to help you quickly identify which model aligns with your internet speed requirements and voice service needs.
ProductsSpecificationsEditor scorePrice
Best Budget
NETGEAR Nighthawk Multi-Gig
DOCSIS 3.1 Standard
2.5Gbps Max Speed
2 Voice Lines
1x 2.5Gbps Port
4.0Editor score
Editor's Choice
NETGEAR Nighthawk Modem Router Combo
DOCSIS 3.1 Standard
AX2700 WiFi 6
No Voice Support
4x Gigabit Ports
4.1Editor score
Best Premium
Motorola MT7711
DOCSIS 3.0 Standard
AC1900 WiFi Router
2 Voice Lines
4x Gigabit Ports
4.0Editor score
ARRIS T25
DOCSIS 3.1 Standard
800Mbps Max Speed
2 Voice Lines
1x Gigabit Port
4.1Editor score
NETGEAR Nighthawk Combo
DOCSIS 3.0 Standard
AC1900 WiFi 5
No Voice Support
4x Gigabit Ports
4.2Editor score
NETGEAR Nighthawk CM1150V
DOCSIS 3.1 Standard
800Mbps Max Speed
2 Voice Lines
4x Gigabit Ports
4.1Editor score
NETGEAR Nighthawk CM3000
DOCSIS 3.1 Standard
2.5Gbps Max Speed
No Voice Support
1x 2.5Gbps Port
4.3Editor score
NETGEAR Nighthawk C7100V
DOCSIS 3.0 Standard
AC1900 WiFi Router
2 Voice Lines
4x Gigabit Ports
4.2Editor score
NETGEAR CM500V
DOCSIS 3.0 Standard
300Mbps Max Speed
2 Voice Lines
1x Gigabit Port
4.2Editor score
ARRIS Surfboard SVG2482AC
DOCSIS 3.0 Standard
AC1750 WiFi Router
Xfinity Phone Support
4x Gigabit Ports
4.0Editor score
1. NETGEAR Nighthawk Multi-Gig – Best Premium Cable Modem with Phone
NETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice
DOCSIS 3.1 Technology
2.5Gbps Max Speed
2 Voice Lines Included
1x 2.5Gbps Ethernet
The NETGEAR Nighthawk CM2050V stands out as a top-tier option for households needing both high-speed internet and reliable phone service. It boasts DOCSIS 3.1 technology which ensures compatibility with the fastest cable plans available today. Its ability to support up to 2.5Gbps makes it a future-proof investment for growing bandwidth needs.
Pros
- Supports future multi-gig plans
- Ideal for Xfinity Voice users
- Fast setup process
- Includes advanced call features
- Robust build quality
Cons
- Higher price point
- Limited to US providers
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This modem is specifically certified for Xfinity Voice service, allowing you to connect up to two telephone lines with enhanced features like caller ID and conference calling. The single 2.5Gbps Ethernet port provides ample throughput for connecting a high-performance router or directly to a wired workstation. This setup ensures minimal latency for gaming and video calls.
While the cost is higher than basic modems, the savings on monthly rental fees over time can justify the initial investment. The device is designed to work with any standard WiFi router, giving you flexibility in choosing your network equipment. Its compatibility is strictly limited to US cable providers like Xfinity, so check your ISP before buying.
If you are looking for the fastest available cable modem with integrated phone capabilities, this model is an excellent choice. It balances cutting-edge speed with essential voice features, making it perfect for power users who refuse to compromise on performance. We recommend it for those with Xfinity Triple Play plans.
Future-Proof Speed Capabilities
The DOCSIS 3.1 support ensures this modem can handle speed upgrades without requiring a hardware replacement in the near future.
Seamless Voice Integration
Xfinity Voice users benefit from direct integration which eliminates the need for extra adapters or separate voice terminals.
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2. NETGEAR Nighthawk CAX30 – Best Multi-Device Cable Modem
NETGEAR Nighthawk Modem Router Combo
DOCSIS 3.1 Standard
AX2700 WiFi 6
2000 Sq Ft Coverage
4x Gigabit Ethernet
This Nighthawk combo unit merges a DOCSIS 3.1 cable modem with a powerful WiFi 6 router into a single compact device. It is designed to maximize the potential of your cable internet by providing faster downloads and smoother wireless coverage throughout your home. The AX2700 standard handles multiple connected devices with ease.
Pros
- Combined modem and router unit
- WiFi 6 support for efficiency
- Works with multiple ISPs
- Easy app management
- Strong security features
Cons
- No voice phone support
- Requires separate phone adapter
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The device is approved for major providers including Xfinity, Spectrum, and Cox, making it a versatile choice for many users. It offers up to 1 Gbps speeds on compatible plans and includes four Gigabit Ethernet ports for wired connections to consoles or PCs. The built-in firewall and WPA3 encryption keep your network secure.
Although it does not support phone lines directly, it is an excellent choice for households that rely solely on internet-based voice services. The Nighthawk app allows you to manage your network settings easily from your smartphone. Setup is straightforward and guided, which reduces the technical barriers for average users.
If you need strong WiFi performance and don't require a traditional landline connection, this model is highly recommended. It simplifies your network setup by combining two devices into one. Just ensure you have a separate VoIP solution if you still need standard telephone services.
Wide Coverage WiFi 6
The dual-band AX2700 WiFi covers up to 2,000 square feet and supports over 25 connected devices simultaneously.
Network Management
The Nighthawk app lets you run speed tests, pause internet access, and manage guest networks remotely with ease.
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3. Motorola MT7711 – Best Value Combo with Phone
Motorola MT7711
DOCSIS 3.0 Standard
AC1900 WiFi Router
2 Voice Phone Ports
4x Gigabit Ports
The Motorola MT7711 is a robust all-in-one solution that combines a cable modem, AC1900 WiFi router, and two voice phone ports. It is specifically approved by Comcast for Xfinity Internet and Voice services, making it a reliable choice for subscribers. This unit supports plans up to 400 Mbps, which covers most mid-range home internet needs.
Pros
- All-in-one modem router phone
- Certified for Xfinity
- Saves on rental fees
- Includes 2 phone lines
- Good wireless range
Cons
- DOCSIS 3.0 limits speed
- Renewed product quality varies
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By owning this device you can eliminate up to $156 in annual rental fees which makes it a cost-effective option over time. The AC1900 WiFi router includes wireless power boost and beamforming to enhance speed and range across your home. The two phone ports support enhanced features like caller ID and call forwarding.
One limitation is that it uses DOCSIS 3.0 technology which is older than 3.1 and may not support the highest speed tiers. It is also a renewed product so physical condition might vary although functionality is tested. It does not work with other ISPs so ensure you are a Xfinity customer before purchasing.
This model is ideal for Xfinity users who want a convenient way to handle internet and voice without multiple devices. The combination of router and modem plus voice ports simplifies your setup significantly. It is a strong contender for those looking for value and integrated functionality.
Wireless Performance
AnyBeam beamforming focuses signals on wireless clients to enhance performance and range effectively.
Security Features
A Broadcom modem chipset provides protection against Denial of Service attacks to keep your network safe.
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4. ARRIS T25 – Best Mid-Range DOCSIS 3.1
ARRIS T25
DOCSIS 3.1 Standard
800Mbps Max Speed
2 Phone Lines
2x 1Gbps Ports
The ARRIS T25 is a fast DOCSIS 3.1 cable modem designed for Xfinity Internet and Voice service users. It supports speed plans up to 800 Mbps which makes it suitable for high-bandwidth activities like streaming and gaming. The modem includes two 1 Gbps Ethernet ports and supports two phone lines for voice services.
Pros
- Latest DOCSIS 3.1 tech
- Supports 800Mbps plans
- Compatible with Xfinity Voice
- Simple setup process
- Reduces rental fees
Cons
- Fewer Ethernet ports
- Xfinity only
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Using this modem allows you to save up to $168 per year in rental fees which provides significant long-term savings. The SURFboard Central App simplifies the setup process allowing you to plug in and follow guided instructions. It offers better security and reduced lag compared to older DOCSIS 3.0 models.
The device is approved for Comcast Xfinity only so it will not work with other providers like Spectrum or Cox. While it is powerful its physical design is relatively basic compared to some high-end competitors. The two phone ports include standard telephony features which are sufficient for most households.
For Xfinity customers seeking a reliable modem with phone support this is a solid mid-range choice. It balances speed capability with voice integration effectively. We recommend it for those who want modern technology without paying premium prices.
Next-Gen Speed
DOCSIS 3.1 offers 10x faster speeds and better security than 3.0 enabling multi-gig networking.
Setup Efficiency
The SURFboard Central App guides you through activation and setup steps quickly and securely.
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5. NETGEAR Nighthawk C7000 – Best Legacy Combo
NETGEAR Nighthawk Combo
DOCSIS 3.0 Standard
AC1900 WiFi 5
Up to 800Mbps
4x Gigabit Ports
The NETGEAR Nighthawk C7000 combines a DOCSIS 3.0 modem with an AC1900 WiFi 5 router into a single unit. It is compatible with major cable providers including Xfinity and Cox making it a versatile option for many users. The unit supports plans up to 800Mbps ensuring enough bandwidth for most home activities.
Pros
- Combines modem and router
- Works with Xfinity and Cox
- Beamforming+ for range
- USB port for storage
- Automatic updates
Cons
- No voice port support
- Older DOCSIS 3.0
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This combo device offers Beamforming+ technology to boost range and reduce dead spots throughout your home. It includes four Gigabit Ethernet ports and one USB 2.0 port for additional connectivity options. Security features like WPA encryption and double firewall protection keep your network safe from threats.
It is important to note that this model does not support bundled voice services or phone lines directly. If you need landline functionality you will need a separate modem or adapter. The setup can be managed via the Nighthawk app which offers remote network control features.
For households that prioritize strong WiFi and internet without voice needs this is a dependable choice. It simplifies your home network by merging two devices. Ensure your provider and plan are compatible before purchasing to avoid activation issues.
Network Flexibility
Four Gigabit Ethernet ports ensure fast wired connections for gaming consoles and desktop computers.
User Control
The Nighthawk app allows you to pause internet and manage devices remotely with ease.
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6. NETGEAR Nighthawk CM1150V – Best Overall Cable Modem with Phone
NETGEAR Nighthawk Cable Modem with Voice
DOCSIS 3.1 Standard
800Mbps Max Speed
2 Voice Lines
4x Gigabit Ports
The NETGEAR Nighthawk CM1150V is a top choice for Xfinity users who need both high-speed internet and phone service. It supports cable plans up to 800Mbps and includes two phone lines with enhanced features. This DOCSIS 3.1 modem ensures you can access faster speeds than older DOCSIS 3.0 modems.
Pros
- DOCSIS 3.1 with voice
- Four Gigabit Ethernet ports
- Link aggregation support
- Certified for Xfinity
- Saves rental fees
Cons
- Higher cost option
- Requires separate router
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It features four Gigabit Ethernet ports which allows you to connect multiple devices directly or use link aggregation for faster wired speeds. The modem replaces your rented equipment saving you up to $150 per year in fees. It works with any WiFi router giving you flexibility to choose the best network system.
While it lacks a built-in router the separate units often provide better performance and flexibility. The enhanced call features include caller ID and conference calling which are essential for home offices. Its certification by Comcast ensures stable compatibility and activation.
If you want a balance of speed and voice functionality this is a highly recommended option. It is robust and future-ready for upgrades. We consider it the best overall pick for Xfinity subscribers looking for reliability.
Link Aggregation
Combining two 1G ports into one 2G port provides faster wired ethernet speed for demanding tasks.
Voice Features
Enhanced voice features include 3-way conference calling and call forwarding for added convenience.
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7. NETGEAR Nighthawk CM3000 – Best High-Speed Modem
NETGEAR Nighthawk CM3000
DOCSIS 3.1 Standard
2.5Gbps Max Speed
1x 2.5G Port
Multi-gig Support
The NETGEAR Nighthawk CM3000 delivers revolutionary DOCSIS 3.1 speeds with mid/high-split technology. It supports download speeds up to 2.5Gbps and upload speeds up to 1Gbps which unlocks the fastest tiers from providers. This modem is compatible with Xfinity Cox and Spectrum making it versatile for many users.
Pros
- Fastest DOCSIS 3.1 speeds
- Mid/high-split technology
- Works with multiple ISPs
- Link aggregation included
- Stable connection
Cons
- No voice support
- Requires external router
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It includes a 2.5Gbps Ethernet port plus two 1Gbps ports with link aggregation for up to 2Gbps wired connections. Active Queue Management ensures stable low-latency performance for gaming and video calls. Buying this modem saves up to $300 a year in rental fees compared to renting.
This model does not have built-in voice support or a router so you will need separate devices for those functions. It is designed purely for high-speed internet connectivity. Setup is quick and it connects to any standard WiFi router for whole-home coverage.
For users who prioritize raw speed and future upgrades this is an excellent modem. It ensures you get the full potential of your gigabit plans. We recommend it for power users who want top-tier internet performance.
Speed Technology
Mid/high-split technology enables speeds far beyond what standard cable modems can reach.
Performance Stability
OFDMA and Active Queue Management keep speeds steady even during peak-hour congestion.
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8. NETGEAR Nighthawk C7100V – Best Voice Combo
NETGEAR Nighthawk C7100V
DOCSIS 3.0 Standard
AC1900 WiFi 5
2 Voice Lines
1x Gigabit Port
The NETGEAR Nighthawk C7100V is a three-in-one device that includes a DOCSIS 3.0 modem, AC1900 WiFi router, and Xfinity Voice support. It supports plans up to 600Mbps and offers two phone lines for telephone services. This unit is ideal for users who want a single device solution for all their connectivity needs.
Pros
- Modem router and voice combo
- Supports 600Mbps plans
- Enhanced call features
- Battery backup option
- Four Gigabit ports
Cons
- DOCSIS 3.0 limits speed
- Higher price for DOCSIS 3.0
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It includes USB ports for additional device connectivity and supports up to 1.9Gbps combined WiFi speeds. Enhanced voice features allow for caller ID and conference calling directly through the modem. A backup battery option is available to ensure phone calls work during power outages.
The device is compatible with Xfinity Cable and Voice plans making it a solid choice for their subscribers. It provides four Gigabit Ethernet ports for wired devices. While DOCSIS 3.0 is older it still offers reliable performance for most home internet tasks.
If you want an all-in-one solution with voice and WiFi this model is a strong contender. It simplifies your network by merging three functions. Ensure you have Xfinity service before purchasing as compatibility is limited.
Power Outage Protection
Optional battery backup allows phone calls for up to 5 hours talk time after power loss.
Data Transfer
Four Gigabit Ethernet ports support fast wired connections for computers and gaming systems.
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9. NETGEAR CM500V – Best Budget Cable Modem with Phone
NETGEAR Cable Modem with Voice
DOCSIS 3.0 Standard
300Mbps Max Speed
2 Voice Lines
1x Gigabit Port
The NETGEAR CM500V is an affordable cable modem designed for Xfinity Internet and Voice service. It supports plans up to 300Mbps which is suitable for basic streaming and browsing. This model includes two phone lines with enhanced features like caller ID and call forwarding for standard home use.
Pros
- Affordable price point
- Certified for Xfinity Voice
- Supports 300Mbps plans
- Saves rental fees
- Easy setup
Cons
- Lower speed limits
- Only one Ethernet port
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It is engineered with 16×4 channel bonding to ensure efficient and reliable internet access. Using this modem can save you up to $168 per year in rental fees which makes it a cost-effective option. It works with any standard WiFi router allowing you to choose your preferred network hardware.
While it offers only one Gigabit Ethernet port it is sufficient for connecting a router or a single device. It is certified by Comcast ensuring compatibility and activation. The DOCSIS 3.0 standard is reliable but may not support the highest speed tiers available.
This modem is perfect for budget-conscious users who need voice and internet in one unit. It provides essential features without unnecessary cost. We recommend it for Xfinity subscribers on smaller plans.
Cost Savings
Saving up to $168 per year in rental fees offers significant long-term financial benefits.
Compatibility
Certified by Comcast for Xfinity Voice ensures reliable service without compatibility issues.
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10. ARRIS Surfboard SVG2482AC – Best Value Renewed
ARRIS Surfboard SVG2482AC
DOCSIS 3.0 Standard
AC1750 WiFi Router
1 Gbps Max Speed
24×8 Channels
The ARRIS Surfboard SVG2482AC combines a DOCSIS 3.0 cable modem with an AC1750 dual-band WiFi router and Xfinity telephone support. It is approved for Comcast Affinity internet and voice service using RDG-B technology for next-gen compatibility. This unit supports plans up to 600 Mbps with 24 download and 8 upload channels.
Pros
- 3-in-1 functionality
- Certified for Xfinity
- Supports 600Mbps plans
- Four Gigabit ports
- Renewed price advantage
Cons
- Does not support Xfinity Home
- Limited to Xfinity only
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It includes four Gigabit Ethernet ports for wired devices and offers speeds up to 1750 Mbps theoretically. The renewed condition provides a cost-effective way to access multiple features in one device. It does not support Xfinity home security without an Xfinity home router.
This device is limited to Xfinity service so it will not work with other cable providers. The theoretical speeds may vary depending on distance and network congestion. Setup is straightforward for Xfinity customers looking to replace rental equipment.
For budget-focused buyers needing internet and phone this renewed unit is a good choice. It simplifies your setup by combining router and modem. Ensure your plan matches its speed capabilities before purchasing.
Channel Efficiency
24 download and 8 upload channels provide ideal support for internet plans up to 600 Mbps.
Wireless Connectivity
AC1750 dual-band concurrent WiFi ensures reliable wireless connections for multiple devices.
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Buying Guide – How to Choose the Best Cable Modem with Phone
Selecting the right cable modem with phone support requires understanding several key factors that affect performance compatibility and value.
Provider Compatibility
The most critical step is to verify that the modem is certified for your specific internet service provider (ISP). Most modems like those from NETGEAR and ARRIS are specific to cable providers such as Xfinity Spectrum or Cox and will not work with DSL or fiber networks. Always check the product description to ensure it lists your ISP as a supported provider.
Confirm that the modem supports your current internet plan and is compatible with your ISP to avoid activation issues or slow speeds.
DOCSIS Technology
DOCSIS (Data Over Cable Service Interface Specification) determines the maximum speeds and efficiency of your modem. DOCSIS 3.1 is the latest standard offering faster speeds and better security than DOCSIS 3.0. If your plan offers speeds over 300 Mbps we recommend choosing a 3.1 modem to maximize your connection potential.
Look for a DOCSIS 3.1 modem if you want to ensure compatibility with future speed upgrades and better overall performance.
Voice Support Features
Not all modems include voice ports so check for models that explicitly support voice lines if you have a home phone. Features like caller ID 3-way calling and call forwarding are often included in certified models but vary by device. Ensure the number of phone lines matches your household needs.
Verify that the modem supports your specific voice service provider to ensure all telephony features work correctly.
Speed Capabilities
Match the modem's maximum speed to your subscribed internet plan. A modem with a lower maximum speed will bottleneck your connection even if you pay for faster speeds. For example a 300 Mbps modem is ideal for 300 Mbps plans but may limit your experience on a 600 Mbps plan.
Select a modem with a max speed rating that meets or exceeds your current internet plan speed.
Number of Ports
Consider how many wired devices you need to connect directly. Some modems include multiple Gigabit Ethernet ports while others have only one or require a separate router. Link aggregation features can combine ports for faster wired connections which is useful for high-performance setups.
Ensure the modem has enough Ethernet ports to connect your essential devices without needing extra hardware.
Modem vs. Router Combo
Some products combine a modem and router into a single unit which simplifies setup but limits flexibility. Separate units allow you to upgrade the router independently and often provide better performance and coverage. Decide if you need an all-in-one solution or prefer separate components for customization.
Choose a combo unit for simplicity or separate units for better performance and upgrade flexibility.
Rental Fee Savings
Owning your modem can save you significant money over time by eliminating monthly rental fees. Calculate how long it will take for the upfront cost of the modem to be offset by the savings on fees. This financial factor often makes buying a modem a smarter long-term decision.
Compare the purchase price against your ISP's monthly rental fees to determine your break-even point.
Security and Warranty
Look for modems with built-in security features such as firewall protection and WPA encryption to safeguard your network. Warranty terms vary by manufacturer so check the duration and what is covered. Some brands offer extended support or security subscriptions which add value to your purchase.
Select a modem with solid security features and a reliable warranty for peace of mind.
How to Use and Care for Your Cable Modem with Phone
To set up your modem connect the coaxial cable from your wall to the modem and plug in the power adapter. Wait for the lights to stabilize and then connect your router or computer via Ethernet. Follow your ISPs activation instructions to register the device on their network.
Keep your modem in a well-ventilated area away from direct sunlight or heat sources. Dusting it regularly and ensuring cables are not tightly bent will prevent overheating and extend its lifespan. Avoid moving the modem once it is set up to prevent connection instability.
Periodically check your ISP website to ensure your modem has the latest firmware updates. Rebooting the modem every few months can clear caches and improve performance. If you plan to move it disconnect the coaxial cable carefully and use static-safe packaging to avoid damage.
Frequently Asked Questions
Will a cable modem with phone work with any internet provider?
No most cable modems with phone support are specific to cable providers such as Xfinity Spectrum or Cox. They typically do not work with DSL fiber or satellite internet. Always verify compatibility with your specific ISP before purchasing to avoid issues.
How much money can I save by buying my own modem?
Buying your own modem can save you approximately $12 to $15 per month in rental fees. Over a year this amounts to $144 to $180 in savings depending on your ISP's rates. This usually offsets the initial cost of the modem within the first year.
Do I need a separate router with a modem that has voice ports?
Most modems with voice ports do not include built-in WiFi so you will need a separate router for wireless connections. However some models like the Motorola MT7711 combine modem router and voice in one unit which simplifies your setup.
What is the benefit of DOCSIS 3.1 over 3.0?
DOCSIS 3.1 offers faster maximum speeds better efficiency and improved security compared to 3.0. It supports multi-gigabit plans and reduces network congestion making it more future-proof. If you have a plan over 300 Mbps 3.1 is highly recommended.
Can I use a modem with phone ports for VoIP services?
Yes you can use traditional VoIP services with these modems but you will need a separate ATA adapter if you want to use standard landline phones. The voice ports on these modems are designed for VoIP services from your ISP directly.
How do I check if my modem supports my speed plan?
Check the modem product description for its maximum speed rating. If your plan offers 600 Mbps you need a modem rated for at least 600 Mbps. Using a slower rated modem will limit your actual internet speeds regardless of your plan.
Final Thoughts on Choosing the Best Cable Modem with Phone
We hope this guide has helped you navigate the options available for cable modems with phone support. Whether you choose the top-performing NETGEAR CM2050V or the budget-friendly CM500V finding the right fit depends on your provider and speed needs.
Prioritize DOCSIS 3.1 technology if you want future-proof performance and ensure compatibility with your ISP to avoid activation issues. Voice features can save you time and money by consolidating your devices into one unit.
Prices and availability change frequently so please check current listings before you buy. We appreciate you trusting our recommendations for your home network setup.