ARRIS SURFboard SBV3202 DOCSIS 3.0 Cable Modem with Voice
4.2Editor score
Xfinity Internet Voice service
Save rental fees yearly
Simple app-based setup
In this guide
Finding the right modem with telephony capabilities is essential for households that rely on both high-speed internet and reliable voice services. These devices combine data routing with voice ports to support digital phone lines seamlessly.
We evaluated ten leading models based on compatibility, speed support, and voice feature integration. Each product was assessed for its ability to work with major providers like Xfinity, Spectrum, and Cox without requiring extra hardware.
Every pick highlights key specs and real-world performance traits. Prices vary by retailer and change over time, so verify current offers before purchasing to ensure you get the best deal for your needs.
Top 3 Picks for Best Modem with Telephony
NETGEAR Nighthawk Cable Modem with Voice (CM1150V)
4.1Editor score
DOCSIS 3.1 technology
2 Phone lines supported
Up to 800 Mbps speed
NETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice (CM2050V)
4.0Editor score
Up to 2.5 Gbps
2 Phone lines supported
Future-proof multi-gig speed
Top 10 Best Modem with Telephony in 2026 Compared
The following table compares all ten models side-by-side to help you find the right balance of speed, voice support, and provider compatibility for your home network setup.
ProductsSpecificationsEditor scorePrice
Best Budget
ARRIS SURFboard SBV3202
DOCSIS 3.0
Xfinity Voice Compatible
Up to 800 Mbps
Save Rental Fees
4.2Editor score
Editor's Choice
Arris TM3402 DOCSIS 3.1
DOCSIS 3.1
Telephony Cable Modem
32×8 Channel Bonding
Not For Cox
Editor's Choice
NETGEAR Nighthawk CM1150V
DOCSIS 3.1
2 Phone Lines
4 Gigabit Ethernet Ports
Xfinity Voice Supported
4.1Editor score
ARRIS SURFboard SVG2482AC
DOCSIS 3.0
Wi-Fi Router Included
2 Telephony Ports
Up to 800 Mbps
4.2Editor score
Hitron CODA56 Cable Internet Modem
DOCSIS 3.1
2.5 Gbps Ethernet
No WiFi Included
Cable Internet Only
4.4Editor score
NETGEAR Nighthawk CAX30
DOCSIS 3.1
Wi-Fi 6 Router
AX2700 Speeds
For Xfinity Spectrum
4.1Editor score
NETGEAR Nighthawk CM2050V
DOCSIS 3.1
2.5Gbps Plans
2 Phone Lines
Multi-Gig Ethernet
4.0Editor score
NETGEAR Nighthawk CM3000
Mid/High-Split
2.5Gbps Downstream
No Voice Support
Future-Proof Network
4.2Editor score
NETGEAR Nighthawk CM3000
DOCSIS 3.1
Mid/High-Split Tech
Link Aggregation Ports
No Built-In WiFi
4.3Editor score
NETGEAR Nighthawk CM2500
Mid/High-Split
2Gbps Downstream
1Gbps Upload Speed
For US Only
4.3Editor score
1. NETGEAR Nighthawk CM1150V – Best Overall Modem with Telephony
NETGEAR Nighthawk Cable Modem with Voice (CM1150V)
DOCSIS 3.1 Tech
2 Phone Lines
Up to 800 Mbps
4 Gigabit Ports
The NETGEAR Nighthawk CM1150V is a robust modem with telephony designed for Xfinity users seeking high-speed internet and voice integration. With a 4.1 rating, it delivers reliable DOCSIS 3.1 performance up to 800 Mbps with support for two telephone lines.
Pros
- Certified for Xfinity Voice
- Four Gigabit Ethernet ports
- Future speed ready
- Saves rental fees yearly
- Enhanced call features
Cons
- Price fluctuates often
- Requires separate router
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This device shines with its four Gigabit Ethernet ports that allow fast wired connections for gaming consoles or desktops. Its certification ensures seamless activation for Xfinity Voice plans, providing features like caller ID and three-way calling without extra equipment.
While it lacks built-in Wi-Fi, pairing it with any router gives flexibility. Users should note that compatibility is exclusive to Xfinity, so verify your provider before purchase to avoid unnecessary returns or setup issues.
Ideal for households needing both internet and phone lines, this modem balances speed and savings. Its strong build and reliable performance make it a top recommendation for anyone looking to replace rental hardware.
Seamless Voice Integration
Two phone lines support enhanced calling features including caller ID and call forwarding for convenient home communication.
High-Speed Data Throughput
DOCSIS 3.1 technology ensures stable downloads up to 800 Mbps with room for future speed upgrades from your ISP.
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2. ARRIS SURFboard SBV3202 – Best Budget Modem with Telephony
ARRIS SURFboard SBV3202 DOCSIS 3.0 Cable Modem with Voice
DOCSIS 3.0 Tech
Xfinity Voice Only
Up to 800 Mbps
Save Fees Monthly
The ARRIS SURFboard SBV3202 offers an affordable entry point for users needing a modem with telephony for Xfinity services. Rated 4.2, it supports DOCSIS 3.0 speeds up to 800 Mbps and includes voice ports for digital phone lines.
Pros
- Affordable purchase price
- Reduces cable bills
- Simple app setup
- Reliable DOCSIS 3.0
- Compatible with Xfinity
Cons
- Older DOCSIS 3.0
- Xfinity only compatibility
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Its plug-in setup with the SURFboard Central App makes activation easy without technical expertise. Owning this unit saves up to $168 yearly in rental fees, which offsets the initial cost quickly over time.
While limited to DOCSIS 3.0, it handles most standard plans well. Users must ensure their plan does not exceed 800 Mbps, as this modem will not support higher future speeds beyond that limit.
Perfect for budget-conscious Xfinity customers, this modem balances cost and functionality. It is a practical choice for families who prioritize savings while maintaining reliable internet and voice service.
Cost Savings Over Time
Eliminating rental fees reduces annual bills significantly, making ownership more economical than renting from your provider.
Simple Activation Process
Download the SURFboard Central App to follow step-by-step instructions for quick setup and network monitoring.
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3. NETGEAR Nighthawk CM2050V – Best Premium Modem with Telephony
NETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice (CM2050V)
2.5Gbps Support
2 Phone Lines
DOCSIS 3.1
Multi-Gig Ethernet
The NETGEAR Nighthawk CM2050V stands out for its multi-gigabit capabilities and voice support. With a 4.0 rating, it supports plans up to 2.5 Gbps and connects two phone lines for enhanced voice features like conferencing.
Pros
- Top-tier multi-gig speeds
- Voice service certified
- Future-proof Ethernet
- Low latency performance
- Works with Xfinity
Cons
- Higher price point
- Xfinity only support
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A 2.5Gbps Ethernet port ensures your network isn bottleneck bottlenecked by outdated hardware. This modem is ideal for heavy users needing smooth 4K streaming, gaming, and large file transfers without interruption during peak hours.
While designed for Xfinity Voice plans, it lacks universal compatibility. Buyers must confirm their ISP and plan speed match its specs before purchasing to avoid compatibility issues or unused capabilities.
For those seeking maximum speed and voice integration, this premium modem delivers. Its future-proof design justifies the cost for households ready to invest in next-gen connectivity.
True Multi-Gigabit Performance
Support for 2.5 Gbps plans ensures your home network can handle the fastest available internet tiers.
Enhanced Voice Features
Two telephone lines support caller ID, call forwarding, and three-way calling for complete home communication.
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4. ARRIS SURFboard SVG2482AC – Best 2-in-1 Modem with Telephony
ARRIS SURFboard SVG2482AC DOCSIS 3.0 Cable Modem & AC2350 Wi-Fi Router
DOCSIS 3.0 Combo
AC2350 Wi-Fi Router
2 Telephony Ports
Xfinity Voice Support
The ARRIS SURFboard SVG2482AC is a combo device offering both internet access and voice ports. With a 4.2 rating, it supports Xfinity plans up to 800 Mbps and includes AC2350 Wi-Fi capabilities for wireless connectivity.
Pros
- Combined modem and router
- Reduces device clutter
- Surfboard Central App
- Parental control features
- Four Gigabit Ethernet ports
Cons
- Older DOCSIS 3.0
- Xfinity only compatibility
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Its two-in-one design simplifies home networking by eliminating the need for a separate router. The SURFboard Central App allows real-time monitoring and parental controls, enhancing security and convenience for households with multiple users.
While convenient, the DOCSIS 3.0 limit may restrict future speed upgrades. Users on higher plans should consider DOCSIS 3.1 models to fully utilize their bandwidth without hardware restrictions.
Perfect for simple setups needing voice and internet in one unit, this modem router combo saves space. It is a strong option for families seeking ease of setup and reliable coverage without extra gear.
All-in-One Convenience
Combining modem and router functions reduces cable clutter and simplifies network management for home users.
Robust Parental Controls
App features let you set time limits, pause internet, and monitor devices to manage family usage easily.
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5. Hitron CODA56 – Best Multi-Gig Modem (No Voice)
Hitron CODA56 Cable Internet Modem ONLY
DOCSIS 3.1
2.5 Gbps Speed
Requires Separate Router
Cable Providers Only
The Hitron CODA56 is a high-performance modem supporting cable plans up to 2.5 Gbps. With a 4.4 rating, it delivers reliable DOCSIS 3.1 speeds but lacks voice ports, making it ideal for data-heavy users who don't need digital lines.
Pros
- Supports 2.5 Gbps
- Compatible with multiple ISPs
- Low latency for gaming
- High-speed Ethernet port
- 30+ years expertise
Cons
- No built-in voice ports
- Requires external router
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Its 2.5 Gbps Ethernet port ensures compatibility with fast routers and future network upgrades. This modem is versatile for Xfinity, Spectrum, and Cox, offering broad compatibility compared to single-provider models.
Users should note it requires a separate router and has no telephony features. If voice service is essential, this model does not support phone lines or voice plan activation.
For pure internet performance, this modem excels with low latency and stable throughput. It is a smart choice for households prioritizing raw speed over voice capabilities.
Broad Provider Support
Compatible with major cable providers like Xfinity, Spectrum, and Cox for flexible setup options.
Gaming and Streaming Optimized
DOCSIS 3.1 technology ensures low latency for smooth 4K streaming, gaming, and video calls.
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6. NETGEAR Nighthawk CAX30 – Best Wi-Fi 6 Modem Router Combo
NETGEAR Nighthawk Modem Router Combo (CAX30)
DOCSIS 3.1
Wi-Fi 6 AX2700
Combo Unit Design
Multi-Gig Cable Speeds
The NETGEAR Nighthawk CAX30 delivers high-speed cable access with Wi-Fi 6 capabilities in one unit. Rated 4.1, it supports plans up to 800 Mbps on Xfinity and higher on others but lacks telephony features for voice services.
Pros
- AX2700 Wi-Fi 6 speeds
- Combines modem and router
- Nighthawk App management
- Supports Xfinity Spectrum Cox
- Security features included
Cons
- No dedicated voice ports
- Not for bundled voice
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Its dual-band AX2700 coverage ensures stable connectivity across larger homes. The Nighthawk App allows remote network management, including speed tests, pausing devices, and setting guest networks for convenience.
While it excels at data speeds, it does not support voice lines. Users needing digital phone service must look elsewhere as this model focuses solely on internet and wireless performance.
Best for households wanting streamlined wireless and data connectivity without voice needs, this combo offers speed and flexibility. Its broad provider compatibility makes it a versatile choice for many ISPs.
Advanced Wi-Fi 6 Tech
Dual-band AX2700 Wi-Fi 6 covers up to 2,000 sq ft with capacity for 25+ connected devices.
Remote Network Management
Free Nighthawk App lets you manage network settings and troubleshoot issues from anywhere using your phone.
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7. NETGEAR CM2050V – High-End Voice Ready Modem
NETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice (CM2050V)
DOCSIS 3.1
Up to 2.5Gbps
2 Phone Lines
Xfinity Voice Only
The NETGEAR Nighthawk CM2050V repeats here as a top choice for Xfinity voice users needing multi-gigabit speeds. With 4.0 rating, it handles plans up to 2.5 Gbps and supports two phone lines with enhanced calling features.
Pros
- Fastest cable speeds supported
- Voice line compatibility
- Multi-gig Ethernet port
- Easy setup process
- Low latency performance
Cons
- High cost for users
- Limited to Xfinity voice
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Its 2.5Gbps Ethernet port provides headroom for future upgrades. Certified by Xfinity, it integrates seamlessly with Triple Play plans, ensuring voice and internet services work together without conflicts or delays.
Due to its high price and exclusivity, it suits specific user needs. Those without voice requirements may find more affordable options better suited for their home network budget and goals.
Ideal for heavy users on Xfinity needing voice, this modem delivers premium performance. Its robust design and speed capabilities justify the investment for demanding households.
Seamless Xfinity Integration
Certified for Xfinity Internet and Voice service ensures easy activation and reliable performance.
Multi-Gigabit Future Proofing
2.5Gbps Ethernet ensures your router can fully utilize the fastest available internet tiers.
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8. NETGEAR CM3000 – Best Mid/High-Split Modem
NETGEAR Nighthawk DOCSIS 3.1 Mid/High-Split Modem (CM3000)
Mid/High-Split Tech
2.5Gbps Download
No Voice Support
Multi-Provider Compatible
The NETGEAR Nighthawk CM3000 uses mid/high-split technology for faster upload and download speeds. Rated 4.2, it supports plans up to 2.5 Gbps and works with major providers, but lacks voice ports for telephony needs.
Pros
- Revolutionary split tech
- Up to 2.5Gbps
- Link aggregation ports
- Broad provider compatibility
- Future-proof design
Cons
- Requires split infrastructure
- No voice features
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Its link aggregation allows combining Ethernet ports for faster wired speeds. This modem is perfect for gamers and streamers needing stable, low-latency connections without relying on wireless networks for critical devices.
While powerful, it requires provider support for mid-split availability. Users should confirm their local infrastructure supports this tech before purchasing to ensure full functionality.
Best for future-proofing internet-only setups, this modem delivers exceptional speeds. It is a solid choice for households prioritizing performance over voice capabilities.
Faster Upload Speeds
Mid/high-split technology delivers up to 2.5Gbps download and 1Gbps upload for smoother file transfers.
Broad Provider Support
Works with Xfinity, Spectrum, and Cox for flexibility across major cable providers in the US.
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9. NETGEAR CM3000 – Best Value High-Speed Modem
NETGEAR Nighthawk CM3000 DOCSIS 3.1 Cable Modem
Mid/High-Split Tech
Up to 2.5Gbps
Link Aggregation Support
No Built-in WiFi
The NETGEAR Nighthawk CM3000 delivers high-speed internet with mid/high-split technology. Rated 4.3, it supports up to 2.5 Gbps download and 1 Gbps upload but lacks voice ports, making it ideal for data-only users.
Pros
- DOCSIS 3.1 performance
- Saves ISP fees
- Link aggregation ports
- Supports major providers
- Low latency setup
Cons
- No voice support
- Requires separate router
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It includes one 2.5Gbps Ethernet port and two 1Gbps ports with link aggregation for faster wired connections. This setup ensures your network can handle heavy traffic without slowdowns during peak hours.
While powerful for internet needs, it requires a separate router. Users should ensure they have a compatible router to maximize the modem's potential and avoid underutilization.
Best for data-centric households seeking high throughput without voice needs, this modem balances speed and cost. It is a strong alternative to older DOCSIS 3.0 models.
Efficient Link Aggregation
Combine Ethernet ports to reach up to 2Gbps wired speed for your fastest devices.
High-Speed Internet Support
Revolutionary mid/high-split technology unlocks faster tiers like Xfinity Gigabit+ and beyond.
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10. NETGEAR CM2500 – Best Mid-Range High-Speed Modem
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM2500)
DOCSIS 3.1
Up to 2Gbps
1Gbps Upload Speed
Mid/High-Split Modem
The NETGEAR Nighthawk CM2500 offers strong speeds with mid/high-split DOCSIS 3.1 technology. Rated 4.3, it supports plans up to 2 Gbps and 1 Gbps upload but excludes voice support for digital phone services.
Pros
- High-speed download plans
- 10x faster uploads
- Supports major ISPs
- Future internet ready
- Link aggregation capability
Cons
- No voice line support
- No bundled voice plans
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Its 10x faster upload speeds enhance file sharing and video conferencing. This modem is ideal for families needing fast uploads for work or content creation without relying on shared household networks.
Compatible with major cable providers but not for voice bundles, it fits internet-only needs. Users should verify their plan matches its 2 Gbps capability before purchasing to ensure optimal performance.
Best for households needing faster uploads and future-proof speeds, this modem is a reliable choice. It delivers consistent performance for high-demand internet users.
Faster Upload Performance
10x faster upload speeds enable seamless multi-user gaming and large file uploads simultaneously.
Future Internet Ready
Stay ahead of future internet speeds with high-performance mid/high-split DOCSIS 3.1 technology.
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Buying Guide – How to Choose the Best Modem with Telephony
Selecting the right modem with telephony requires understanding your provider, speed needs, and whether you need voice lines or just internet.
Provider Compatibility
Ensure the modem supports your ISP and plan. Models vary for Xfinity, Spectrum, or Cox, and some exclude voice services.
Always check approval lists before buying to avoid activation issues.
DOCSIS Standard
DOCSIS 3.1 is preferred for future-proofing and higher speeds. Older 3.0 modems work but limit upgrade potential.
Select 3.1 to support modern plans beyond 800 Mbps.
Voice Port Requirements
Telephony modems include analog ports for phone lines. Verify you need these before buying combo units or routers without ports.
If you don't use voice lines, standard modems may suffice and save money.
Speed Capacity
Match the modem speed to your internet plan. A device rated for 800 Mbps will underutilize 1 Gbps plans.
Choose a modem matching your highest expected plan for longevity.
Router Integration
Some units are combos with Wi-Fi routers. Others require separate routers which offer better customization and coverage.
Modems give more flexibility; combos simplify setup and reduce clutter.
Number of Ethernet Ports
Multiple Gigabit ports allow direct wired connections for gaming or NAS devices. This reduces wireless congestion.
Prioritize four ports if you use many wired devices.
Rental Fee Savings
Owning a modem saves up to $168 yearly in fees. Calculate payback time based on purchase price and rental cost.
Ownership becomes economical quickly for long-term users.
App-Based Management
Apps like SURFboard Central or Nighthawk allow network monitoring and device control. They simplify setup and parental controls.
Look for these features if remote management is a priority.
How to Use and Care for Your Modem with Telephony
Plug the coaxial cable into the modem and connect power. Use Ethernet to link your router or computer directly if needed.
Activate the modem through your provider's portal or app, following step-by-step instructions to register the device.
Keep the modem in a cool, ventilated area to prevent overheating. Periodically restart it to clear cache and maintain performance.
Frequently Asked Questions
What is a modem with telephony?
A modem with telephony supports both internet data and voice phone lines. It includes ports for digital phones and connects to your ISP's network seamlessly.
Do I need a modem with telephony?
Only if your plan includes voice service. If you rely on apps or traditional phones, a standard data modem will suffice.
Why can't I use my modem with another provider?
Modems are certified for specific ISPs. Using an incompatible unit often leads to activation failures or restricted features.
How does DOCSIS 3.1 improve performance?
It supports higher speeds, better efficiency, and more channels. This reduces congestion and allows for faster downloads and uploads.
Can I connect my phone to the modem?
Yes, analog phones plug into the voice ports on telephony modems. This connects them directly to your voice service.
How much can I save by owning a modem?
You can save around $168 per year in rental fees, depending on your provider. Ownership pays for itself over time.
What if my plan exceeds the modem speed?
Your connection will cap at the modem's max speed. Upgrade to a higher-capability modem to access your full plan speed.
Do combo modems work with separate routers?
No, combos include routers. Use separate routers only with standalone modems that lack Wi-Fi capabilities.
Final Thoughts on Choosing the Best Modem with Telephony
The NETGEAR CM1150V, ARRIS SBV3202, and CM2050V lead for balance, budget, and speed respectively. Each meets specific household needs effectively.
Prioritize provider compatibility and DOCSIS standards when choosing. Ensure the device matches your plan and voice requirements to avoid issues.
Prices fluctuate and vary by retailer, so check current offers before purchasing. Verify activation steps and support policies to ensure smooth setup.