NETGEAR Cable Modem with Voice CM500V
4.2Editor score
Supports up to 300 Mbps plans
Two telephone lines with voice features
Saves monthly rental fees annually
In this guide
Finding a reliable cable modem with phone support is essential for modern households that need both high-speed internet and traditional landline services. These devices combine connectivity and voice capabilities into one unit, simplifying your home network setup while reducing monthly rental fees from your internet service provider.
We evaluated ten top-rated models based on DOCSIS standards, voice port compatibility, Ethernet options, and overall performance with major providers like Xfinity and Cox. Each product was selected for its ability to support voice services alongside fast internet speeds, ensuring seamless integration for users who still rely on home phones.
Each pick in this guide highlights specific strengths such as multi-gigabit speeds, router combos, or cost-effective renewal options. While the products listed offer great value, always verify current pricing and compatibility with your specific internet plan before making a purchase decision to avoid unexpected activation issues.
Top 3 Picks for Best Cable Modem with Phone
NETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice
4.0Editor score
Up to 2.5Gbps multi-gig speeds
DOCSIS 3.1 with two phone lines
Certified for Xfinity Internet and Voice
NETGEAR Nighthawk Cable Modem with Voice CM1150V
4.1Editor score
800Mbps speed compatibility for Xfinity
Link aggregation for faster wired speeds
Enhanced call features and two phone lines
Top 10 Best Cable Modem with Phone in 2026 Compared
This side-by-side comparison breaks down the key specifications and capabilities of the ten selected cable modems with phone support to help you make an informed decision based on your specific internet plan and voice service needs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
NETGEAR Nighthawk CM2050V
DOCSIS 3.1
2.5Gbps Max Speed
2 Phone Lines
Xfinity Compatible
4.0Editor score
Editor's Choice
NETGEAR CAX30 Combo
DOCSIS 3.1
AX2700 WiFi 6
No Voice Support
Modem Router Combo
4.1Editor score
Best Budget
Motorola MT7711 Renewed
DOCSIS 3.0
AC1900 Router
2 Voice Ports
Xfinity Only
4.0Editor score
ARRIS T25
DOCSIS 3.1
800 Mbps Max
2 Telephony Ports
Xfinity Approved
4.1Editor score
NETGEAR C7000 Combo
DOCSIS 3.0
AC1900 WiFi 5
No Voice Support
800Mbps Xfinity
4.2Editor score
NETGEAR CM1150V
DOCSIS 3.1
800Mbps Speed
2 Phone Lines
Link Aggregation
4.1Editor score
NETGEAR CM3000
DOCSIS 3.1
2.5Gbps Download
No Voice Support
Mid/High-Split
4.3Editor score
NETGEAR C7100V
DOCSIS 3.0
AC1900 WiFi
2 Voice Ports
600Mbps Max
4.2Editor score
NETGEAR CM500V
DOCSIS 3.0
16×4 Bonding
2 Phone Lines
300Mbps Max
4.2Editor score
ARRIS SVG2482AC Renewed
DOCSIS 3.0
AC1750 Router
2 Phone Ports
Xfinity Only
4.0Editor score
1. NETGEAR Nighthawk Multi-Gig Cable Modem – Best Overall Cable Modem with Phone
NETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice
DOCSIS 3.1 Technology
2.5Gbps Ethernet Port
Supports 2 Phone Lines
Xfinity Voice Certified
The NETGEAR Nighthawk CM2050V stands out as a top choice for users requiring both high-speed internet and reliable voice service. With a rating of 4.0, this modem is engineered to handle cable plans up to 2.5Gbps, making it ideal for future network upgrades while supporting two telephone lines with enhanced features.
Pros
- Supports multi-gigabit speeds up to 2.5Gbps
- Certified for Xfinity Internet and Voice services
- Enhanced call features including caller ID and 3-way calling
- Future-proof DOCSIS 3.1 technology
- Separate Ethernet port for any WiFi router
Cons
- Compatible only with Xfinity services
- Requires separate router for WiFi connectivity
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Its DOCSIS 3.1 certification ensures better security and reduced lag, which is critical for gaming and streaming. The 2.5Gbps Ethernet port allows for direct wired connections to high-performance devices, ensuring that your internet speed matches your provider's fastest tiers without bottlenecks from older hardware.
While it offers significant speed advantages, users should note that this modem is not compatible with other providers like Verizon or AT&T. Additionally, it requires a separate WiFi router to provide wireless coverage, which adds to the initial setup complexity but offers flexibility in choosing a router that suits your home.
This modem is best suited for Xfinity subscribers who want to eliminate monthly rental fees and need robust voice features. Its combination of speed and voice support makes it a strong recommendation for households that rely heavily on both data and traditional phone services.
Future-Proof Speed Performance
The 2.5Gbps Ethernet port ensures you are ready for multi-gigabit internet plans without needing to replace the modem soon.
Voice Call Features
Enhanced features like 3-way conference calling and call forwarding provide convenience for families relying on landline services.
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2. NETGEAR Nighthawk CAX30 – Best Premium All-in-One Solution
NETGEAR Nighthawk Modem Router Combo (CAX30)
DOCSIS 3.1
AX2700 WiFi 6
Covers up to 2000 sq ft
No Voice Support
The NETGEAR CAX30 is a powerful all-in-one device designed to maximize cable internet and WiFi performance. With a rating of 4.1, it offers DOCSIS 3.1 speeds and WiFi 6 coverage, making it a premium choice for users who do not strictly require voice phone lines but want top-tier internet hardware.
Pros
- Combines modem and router for simplified setup
- DOCSIS 3.1 speeds for fast downloads
- WiFi 6 coverage for whole-home connectivity
- Gigabit Ethernet ports for wired devices
- Secure firewall and encryption built-in
Cons
- Does not support voice phone services
- Higher price point for combo units
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This device unlocks the full potential of your home internet with smoother WiFi for gaming and video calls. The dual-band AX2700 router covers up to 2,000 sq ft, ensuring reliable connectivity in every room. It also includes four Gigabit Ethernet ports for gaming consoles and desktops that need stable connections.
However, potential buyers should note that this model lacks voice support for phone services. If your priority is purely internet speed and WiFi range, the CAX30 is excellent. But if you need landline integration, you might need to look at modems specifically listed with voice ports.
For households prioritizing high-speed data and whole-home WiFi without needing a traditional phone line, this combo offers a streamlined solution. Its ability to work with major providers like Xfinity and Spectrum adds significant value for general internet users.
Whole-Home WiFi Coverage
Dual-band WiFi 6 technology ensures seamless connectivity throughout your home with capacity for over 25 devices.
Security Features
Built-in WPA3 encryption and firewall protection help keep your network safe from external threats and unauthorized access.
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3. Motorola MT7711 – Best Budget Value for Xfinity
Motorola MT7711 (24X8) Cable Modem-Two Phone Ports Router
DOCSIS 3.0
AC1900 WiFi
2 Voice Ports
Approved for Xfinity
The Motorola MT7711 offers an impressive combination of a DOCSIS 3.0 modem, AC1900 router, and two phone ports for Xfinity services. Rated at 4.0, this renewed model provides a budget-friendly entry point for users who want to save on rental fees while retaining voice capabilities.
Pros
- Three-in-one modem, router, and phone ports
- Cost-effective renewed option
- Eliminates cable rental fees
- Includes power boost for better range
- Compatible with Xfinity X1
Cons
- Renewed product may have limited warranty
- Voice backup battery not included
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Its three-in-one design simplifies setup by combining multiple devices into one unit. The AC1900 dual-band WiFi supports up to 400 Mbps plans, making it suitable for standard streaming and browsing. It also includes Wireless Power Boost to enhance signal strength and range throughout the home.
Buyers should be aware that this is a renewed product, which may imply different warranty conditions than new units. Additionally, the optional backup battery for voice service is not included in the package. These trade-offs are acceptable for those prioritizing low cost over premium support or latest tech.
This modem is ideal for Xfinity subscribers looking for an affordable way to own their equipment and keep their phone lines active. It balances performance and cost effectively, provided the renewed condition meets the buyer's expectations for quality.
All-in-One Convenience
Combining modem, router, and voice ports into a single device reduces clutter and simplifies home network management.
Cost Savings
Ownership eliminates up to $156 in annual rental fees, offering long-term savings for budget-conscious users.
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4. ARRIS T25 – Reliable DOCSIS 3.1 Choice
ARRIS (T25) – Cable Modem
DOCSIS 3.1
800 Mbps Max
Two Phone Ports
Xfinity Approved
The ARRIS T25 is a fast DOCSIS 3.1 cable modem tailored for Xfinity Internet and Voice users. With a rating of 4.1, it supports plans up to 800 Mbps and provides two phone ports, making it a strong choice for those seeking modern modem technology with voice support.
Pros
- DOCSIS 3.1 for 10x faster speeds than 3.0
- Compatible with Xfinity Internet and Voice
- Simple setup via SURFboard Central App
- Reduces cable modem rental fees
- Supports gaming with reduced lag
Cons
- Limited to Xfinity plans up to 800 Mbps
- Requires separate router for WiFi
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DOCSIS 3.1 technology offers better security and enables multi-gig networking capabilities, ensuring the modem stays relevant as speeds increase. The setup process is streamlined using the SURFboard Central App, which guides users through activation and connection steps efficiently.
While it supports voice services, the modem itself does not include WiFi, so a separate router is necessary for wireless devices. It is also limited to Xfinity plans of up to 800 Mbps, which might not suffice for users on higher-speed tiers requiring faster ports.
This modem is recommended for Xfinity subscribers who want a reliable and secure device with voice capabilities. Its focus on speed and security makes it a solid choice for households that prioritize performance without needing an all-in-one solution.
DOCSIS 3.1 Advantage
Advanced DOCSIS 3.1 technology provides faster speeds and improved network stability compared to older 3.0 models.
Easy Setup
The SURFboard Central App simplifies activation and network management, reducing the technical barrier for users.
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5. NETGEAR C7000 – Best Combo for General Internet
NETGEAR Nighthawk Cable Modem and WiFi 5 Router Combo (C7000)
DOCSIS 3.0
AC1900 WiFi 5
No Voice Support
Up to 800 Mbps
The NETGEAR C7000 combines modem and router capabilities into a single unit suitable for major providers like Xfinity and Cox. Rated at 4.2, it supports cable plans up to 800 Mbps and offers AC1900 WiFi speeds, making it a versatile choice for general internet usage.
Pros
- Two-in-one modem and router combo
- AC1900 WiFi 5 for fast speeds
- Compatible with Xfinity and Cox
- Four Gigabit Ethernet ports
- Simple setup with Nighthawk App
Cons
- Does not support voice services
- WiFi 5 is older than WiFi 6
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Its Beamforming+ technology boosts range and reduces dead spots, ensuring connected devices stay online throughout the home. The four Gigabit Ethernet ports allow for reliable wired connections, which are crucial for gaming consoles and streaming players that benefit from low latency.
However, this model lacks voice support for landline services, so it is not ideal for users needing phone integration. The WiFi 5 standard is also slightly older than newer WiFi 6 models, though it still provides robust performance for most daily tasks.
For households prioritizing internet connectivity and wireless coverage over voice services, the C7000 offers great value. Its broad provider compatibility and ease of setup make it a convenient option for many users seeking an all-in-one solution.
Broad Compatibility
Works seamlessly with major cable providers like Xfinity and Cox, ensuring reliable activation and service support.
Network Management
The Nighthawk App allows users to manage devices and run speed tests easily from their smartphones or tablets.
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6. NETGEAR CM1150V – Best Premium Voice Modem
NETGEAR Nighthawk Cable Modem with Voice (CM1150V)
DOCSIS 3.1
800 Mbps Speed
Link Aggregation
2 Phone Lines
The NETGEAR CM1150V is a high-performance modem designed specifically for Xfinity Internet and Voice plans up to 800 Mbps. With a rating of 4.1, it features DOCSIS 3.1 technology and link aggregation, making it a premium choice for users who need both speed and voice capabilities.
Pros
- Certified for Xfinity Internet and Voice
- Link aggregation for 2Gbps wired speeds
- DOCSIS 3.1 with OFDM 2×2
- Four Gigabit Ethernet ports
- Eliminates monthly rental fees
Cons
- Compatible only with Xfinity
- Separate router needed for WiFi
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Its four Gigabit Ethernet ports and link aggregation allow for faster wired connections, which is beneficial for data-heavy applications. The 32×8 channel bonding ensures stable performance even during peak hours, supporting activities like streaming and online gaming without interruptions.
Users should note that this modem is exclusively for Xfinity and requires a separate router for WiFi coverage. While the hardware is robust, the specific carrier limitation means it may not suit households with multi-provider setups or those planning to switch ISPs soon.
This modem is best for Xfinity subscribers seeking a powerful device that supports voice and high-speed internet. Its feature set justifies the higher price point for those who need advanced Ethernet capabilities and reliable voice service.
Advanced Connectivity
Link aggregation combines two Ethernet ports into a single 2Gbps connection for faster wired data transfer rates.
Reliable Performance
Advanced channel bonding ensures consistent speeds during busy times, maintaining a smooth experience for all users.
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7. NETGEAR CM3000 – Best for Multi-Gig Download
NETGEAR Nighthawk CM3000
DOCSIS 3.1
2.5Gbps Download
No Voice Support
Mid/High-Split
The NETGEAR CM3000 delivers revolutionary mid/high-split technology, supporting download speeds up to 2.5Gbps and 1Gbps upload. Rated at 4.3, it is designed for major US cable providers and offers multi-gigabit performance for users seeking the fastest cable internet tiers available.
Pros
- Supports mid/high-split technology
- Up to 2.5Gbps download speeds
- Compatible with major US providers
- Link aggregation for 2Gbps wired
- No built-in WiFi for flexibility
Cons
- No voice service support
- Requires separate router
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Its DOCSIS 3.1 Active Queue Management and OFDMA ensure stable, low-latency performance for gaming and 4K streaming. The modem features a 2.5Gbps Ethernet port and link aggregation capabilities, providing top-tier connectivity options for wired devices and routers.
While it lacks voice support, this modem is purely focused on delivering maximum internet speed. It is an excellent choice for households that prioritize data throughput over landline services and want to future-proof their home network for upcoming speed upgrades.
This device is ideal for users on Xfinity Gigabit+ plans or similar high-speed tiers. Its ability to work with multiple providers and provide advanced Ethernet options makes it a versatile powerhouse for tech-savvy internet users.
Multi-Gigabit Capability
Unlocking Gigabit+ plans with mid/high-split ensures you can utilize the highest speeds your provider offers.
Flexible Connectivity
Multiple Ethernet ports and link aggregation provide the connectivity needed for high-performance home networks.
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8. NETGEAR C7100V – Best Combo for Voice and WiFi
NETGEAR Nighthawk Cable Modem WiFi Router Combo with Voice C7100V
DOCSIS 3.0
AC1900 WiFi
2 Voice Ports
Up to 600 Mbps
The NETGEAR C7100V combines a modem, router, and voice support into a single unit for Xfinity subscribers. Rated at 4.2, it supports cable plans up to 600 Mbps and includes two phone lines, making it a strong all-in-one solution for those needing both internet and phone services.
Pros
- Three-in-one modem, router, and voice
- Compatible with Xfinity cable and voice
- Supports plans up to 600 Mbps
- Optional battery backup available
- AC1900 WiFi for fast wireless
Cons
- DOCSIS 3.0 limits speed compared to 3.1
- Battery backup sold separately
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Its AC1900 WiFi speed provides fast wireless connectivity for streaming and online gaming. The device also supports optional battery backup, ensuring that voice service remains available during power outages for up to 8 hours of standby time.
While it lacks DOCSIS 3.1, its performance is still sufficient for many standard plans. The main limitation is the plan cap of 600 Mbps, which may not suit users on faster gigabit tiers, but it offers solid reliability and convenience for mid-speed households.
This modem is a great choice for families that want a simple setup with both voice and WiFi capabilities. Its broad feature set and Xfinity compatibility make it a reliable option for maintaining traditional phone service alongside modern internet needs.
Integrated Voice and WiFi
Having modem, router, and voice ports in one device simplifies your network while keeping essential services connected.
Backup Options
Optional battery support ensures your phone stays working during power outages, providing reliability when it matters most.
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9. NETGEAR CM500V – Best Budget Voice Modem
NETGEAR Cable Modem with Voice CM500V
DOCSIS 3.0
300 Mbps Max
2 Phone Lines
16×4 Channel Bonding
The NETGEAR CM500V is an affordable modem that supports Xfinity Internet and Voice plans up to 300 Mbps. With a rating of 4.2, it provides two phone lines with enhanced features and helps users save significant money on monthly rental fees.
Pros
- Certified for Xfinity Internet and Voice
- Supports up to 300 Mbps plans
- Eliminates rental fees of up to $168/year
- Simple setup with any WiFi router
- Enhanced call features included
Cons
- Limited to lower speed plans
- One Gigabit Ethernet port
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Its 16×4 channel bonding ensures efficient and reliable internet access within its supported speed range. This device works with any separate WiFi router, allowing flexibility in choosing your wireless network hardware while maintaining essential voice functionality.
While it does not support high-speed plans beyond 300 Mbps, it remains a practical choice for smaller households or those with moderate bandwidth needs. The cost savings and reliable voice features make it an attractive option for budget-conscious Xfinity subscribers.
This modem is ideal for users who need basic internet speeds and reliable phone service without advanced features. It delivers on core requirements effectively and is a solid entry point for home ownership of networking equipment.
Affordable Voice Support
Provides essential voice and internet functions at a low price point, saving monthly rental costs effectively.
Compatibility
Certified for Xfinity ensures activation and reliable performance within supported plan limits.
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10. ARRIS SVG2482AC – Best Budget Renewed Option
ARRIS Surfboard (24×8) DOCSIS 3.0 Cable Modem Plus AC1750 Dual Band Wi-Fi Router and Xfinity Telephone
DOCSIS 3.0
AC1750 WiFi
2 Voice Ports
Renewed Product
The ARRIS SVG2482AC is a renewed three-in-one device offering a modem, router, and telephone service for Xfinity. Rated at 4.0, it supports plans up to 600 Mbps and provides two phone ports, making it an economical option for users seeking to own their equipment.
Pros
- Three-in-one modem, router, and telephone
- Renewed at lower cost
- Supports plans up to 600 Mbps
- AC1750 WiFi router included
- Compatible with Xfinity Internet and Voice
Cons
- Renewed unit may have less support
- Not approved for other providers
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Its AC1750 dual band router allows for concurrent WiFi usage, though speeds may vary based on distance and interference. The device uses RDk-B technology to support next-gen services but does not support Xfinity home security without an additional router.
While it offers great value as a renewed product, buyers should be aware of potential limitations on warranty and customer support. It is strictly for Xfinity services, limiting flexibility if switching ISPs becomes necessary in the near future.
This modem is best for budget-focused households that need both voice and internet capabilities. Its cost-effective nature and functional specs make it a practical choice for standard internet needs within the Xfinity ecosystem.
Value for Money
A renewed three-in-one package provides essential features at a fraction of the cost of new premium models.
Voice and Internet
Designed to support both Xfinity Internet and Voice, ensuring you keep all necessary services in one device.
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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 several factors including DOCSIS standards, provider compatibility, and voice features. This guide helps you understand what to look for to ensure seamless integration and performance.
DOCSIS Standards
DOCSIS standards determine the maximum speed your modem can support. DOCSIS 3.1 offers significantly faster speeds and better efficiency compared to DOCSIS 3.0. Choosing a newer standard ensures your device remains compatible with future speed upgrades from your ISP.
Always match the DOCSIS standard of your modem to your internet plan's speed tier to avoid bottlenecks.
Provider Compatibility
Not all modems work with every cable provider. Most modems with voice support are specific to providers like Xfinity or Cox. Ensure the product description lists compatibility with your specific ISP to avoid activation issues.
Check that the modem is certified for your provider to guarantee voice and internet functionality.
Voice Port Requirements
For landline service, you need a modem with at least one phone port. Some modems offer two phone lines which is ideal for households needing multiple extensions. Voice features like caller ID and call forwarding depend on the modem's hardware capabilities.
Verify the number of phone ports available if you have multiple home phones.
Router vs. Standalone
You can choose a standalone modem or a combo unit that includes a router. Standalone modems give you flexibility to pick a preferred router but require extra cables. Combo units are convenient but might not offer the latest WiFi technology.
Select standalone if you want to upgrade WiFi independently or combo for simplicity.
Speed Tiers
Ensure the modem supports the maximum download and upload speeds of your plan. Some modems cap out at 300 Mbps while others support up to 2.5Gbps. Matching capacity prevents wasted potential on your paid internet service.
Choose a modem that exceeds your current plan speed to allow for future upgrades.
Price and Rental Savings
Owning a modem eliminates monthly rental fees which can add up significantly over a year. Consider the initial cost against the savings to determine how quickly you will break even. Renewed units offer lower upfront costs but may have warranty limits.
Calculate total cost of ownership over two years to find the best financial value.
Ethernet Connectivity
Look for modems with multiple Gigabit Ethernet ports for wired devices. Some advanced models support link aggregation for faster combined wired speeds. This ensures gaming consoles or PCs can utilize maximum bandwidth without wireless interference.
More Ethernet ports mean fewer switches or hubs are needed for wired connections.
Voice Backup Options
Some modems offer optional battery backup for voice service during power outages. This feature ensures you can still make emergency calls when the power is out. Check if a backup battery is included or sold separately.
Prioritize modems with backup options if landline reliability is critical for your home.
How to Use and Care for Your Cable Modem with Phone
To set up your modem, connect the coaxial cable to the back of the device and plug in the power cord. If it is a standalone modem, connect your router to the Ethernet port. Allow a few minutes for the lights to stabilize indicating activation.
Once online, connect your phone to the telephone port using a standard RJ-11 cable. Ensure the phone is powered on and check for dial tone. You may need to activate voice service through your provider's customer portal or support line.
Care for your modem by keeping it in a cool, dry place away from direct sunlight. Regularly restart it to clear cache and improve performance. Check for firmware updates through your provider or manufacturer to ensure security and compatibility.
Frequently Asked Questions
Do cable modems with phone support work on DSL or fiber?
No, cable modems with phone support are specifically designed for cable internet networks. They will not work on DSL, fiber, or satellite connections. Ensure your internet provider offers cable service before purchasing one of these modems.
Can I use my existing router with a standalone cable modem?
Yes, standalone cable modems with phone support connect to any separate WiFi router via Ethernet. You simply plug your router into the modem's Ethernet port to get wireless internet. This setup allows you to choose a router with features you prefer.
What happens to my phone service if the power goes out?
Most cable voice services rely on power from the modem, so service may stop during an outage unless you have a backup battery. Check if your modem supports a backup battery option to keep phone lines active during power failures.
How much money can I save by buying my own modem?
Buying your own modem can save you up to $150 to $168 per year in rental fees. Depending on the model and lease terms, you can break even within the first year or two of ownership. This long-term savings makes purchasing worthwhile.
Why is DOCSIS 3.1 better than 3.0?
DOCSIS 3.1 is newer technology that offers faster speeds, better efficiency, and improved security over DOCSIS 3.0. It enables multi-gigabit performance and reduces latency which is helpful for gaming and streaming. Choosing 3.1 future-proofs your network.
Will a modem with phone support work with any phone?
Yes, the phone ports on these modems work with standard analog phones using RJ-11 connectors. You can connect traditional corded phones to these ports. However, advanced features may depend on the provider's network and modem compatibility.
Final Thoughts on Choosing the Best Cable Modem with Phone
Choosing the right cable modem with phone support ensures you get both high-speed internet and reliable voice service. Our top picks like the NETGEAR CM2050V and CM1150V offer excellent speed and voice features for Xfinity users.
Prioritize compatibility with your internet provider and ensure the modem supports your speed tier to avoid performance issues. Consider whether you need a standalone unit or a combo based on your existing router and WiFi needs.
Remember that prices and plans can change so verify current availability and fees before purchasing. Owning your equipment saves money over time and provides more control over your home network setup.