10 Best Modem With Telephony in 2026

Finding a modem with telephony support ensures your voice and data needs are met seamlessly. These devices integrate voice services directly into your home network, simplifying setup and reducing hardware clutter for modern households.

We compared ten leading models based on compatibility, speed capabilities, and voice features. Our analysis focuses on DOCSIS standards, channel bonding, and provider support to help you select the right hardware for your specific internet plan.

Each pick highlights key strengths and potential limitations to guide your decision. While models offer robust performance, remember that pricing and availability change frequently, so verify current offers before finalizing your purchase for optimal value.

Top 3 Picks for Best Modem with Telephony

Top 10 Best Modem with Telephony in 2026 Compared

This side-by-side comparison highlights key specifications across all ten models to help you identify the best fit for your network needs.

1. ARRIS SURFboard SBV3202 – Best Overall Modem with Telephony

4.2Editor scoreCheck price on Amazon

ARRIS SURFboard SBV3202

DOCSIS 3.0

800 Mbps Support

Xfinity Voice Ready

Simple Setup

The ARRIS SURFboard SBV3202 stands out as a reliable choice for Xfinity users seeking integrated voice and internet services. With a strong rating and proven track record, it delivers high-speed connectivity while supporting digital voice lines directly through the modem.

Pros

• Cost effective ownership
• Reliable DOCSIS 3.0
• Integrated voice service
• Easy activation process
• Broad device compatibility

Cons

• Limited to Xfinity
• Older DOCSIS standard

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Its DOCSIS 3.0 technology ensures stable performance for plans up to 800 Mbps, making it suitable for households with multiple devices. The device allows you to own your hardware, saving significant monthly rental fees over time while providing essential telephony features like caller ID.

While it lacks the latest DOCSIS 3.1 standards, its performance remains solid for current speed tiers. Users must ensure they are within Xfinity coverage areas, but within that scope, the setup process is straightforward and the network monitoring tools are intuitive.

This model is ideal for Xfinity customers who prioritize cost savings and simplicity. If you need a dedicated voice modem that works seamlessly with your internet plan, the SBV3202 offers a dependable solution without unnecessary complexity or extra hardware requirements.

Cost Savings Through Ownership

Owning this modem reduces annual cable rental fees by up to 168 dollars, providing long-term financial benefits.

Integrated Voice Features

The device supports Xfinity Voice service with two telephony ports, enabling clear calls and enhanced calling features.

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2. Arris TM3402 – High Speed Telephony Modem

3.4Editor scoreCheck price on Amazon

Arris TM3402

DOCSIS 3.1

32×8 Channels

Telephony Support

Not For Cox

The Arris TM3402 offers advanced DOCSIS 3.1 capabilities for users needing faster speeds and reliable telephony integration. It is designed for specific cable environments where high bandwidth and voice services are critical. However, compatibility is strictly limited to certain providers.

Pros

• DOCSIS 3.1 tech
• High channel bonding
• Voice capabilities included
• Retail box sealed

Cons

• Limited provider support
• No warranty if Cox

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With 32×8 channel bonding, this modem handles data efficiently while maintaining voice line stability. It is ideal for those outside Cox networks who require modern modem technology. Ensure your provider supports this model before purchasing to avoid return issues.

Potential buyers should note the clear warning about Cox incompatibility. While it is new in the box, mismatching with unsupported networks leads to fees. This makes verification essential before checkout to ensure smooth activation and service continuity.

Choose this model only if your ISP explicitly supports it. For eligible users, it provides strong performance and future-proofing through DOCSIS 3.1, balancing voice needs with high-speed internet demands effectively.

Advanced Channel Bonding

The 32×8 channel configuration ensures robust data throughput suitable for demanding internet usage patterns.

Strict Provider Compatibility

Verify your cable provider explicitly supports this model to avoid returns and unnecessary fees.

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3. NETGEAR Nighthawk CM1150V – Best Premium Modem with Telephony

4.1Editor scoreCheck price on Amazon

NETGEAR Nighthawk CM1150V

DOCSIS 3.1

800 Mbps Certified

2 Phone Lines

4 Gigabit Ports

The NETGEAR Nighthawk CM1150V brings premium features to Xfinity users needing both high-speed internet and voice services. Its certification ensures seamless integration with Xfinity Voice plans up to 800 Mbps, delivering reliable connectivity for modern households.

Pros

• Future proof speed
• Certified Xfinity Voice
• Link aggregation support
• Multiple ethernet ports

Cons

• Higher price point
• No built-in wifi

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Equipped with four Gigabit Ethernet ports and support for link aggregation, this modem offers flexibility for wired connections. It supports two telephone lines with enhanced call features, making it ideal for families needing reliable voice communication alongside internet access.

While it requires a separate router, this design maximizes performance and network control. The DOCSIS 3.1 technology ensures compatibility with future speed upgrades. Users should pair it with a quality router to fully utilize its capabilities.

This model is perfect for power users wanting premium features. Its combination of speed, voice integration, and wired flexibility makes it a top choice for reliable home connectivity.

Enhanced Call Features

Supports caller ID, conference calling, and call forwarding for two separate telephone lines.

Future Ready Performance

DOCSIS 3.1 ensures the modem supports future internet speed upgrades without needing replacement.

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4. ARRIS SURFboard SVG2482AC – Best Budget Modem with Telephony

4.2Editor scoreCheck price on Amazon

ARRIS SURFboard SVG2482AC

Modem and Router

DOCSIS 3.0

AC2350 Wi-Fi

2 Voice Ports

The ARRIS SURFboard SVG2482AC combines modem and router functions in one device, offering convenience for Xfinity Voice users. With AC2350 Wi-Fi and two telephony ports, it simplifies home networking while supporting voice services effectively.

Pros

• All-in-one device
• Built-in Wi-Fi router
• Xfinity Voice ready
• Four ethernet ports

Cons

• Limited DOCSIS speed
• Setup complexity

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This model is ideal for smaller homes needing a unified solution. It handles up to 800 Mbps and supports Xfinity Voice plans, providing clear calls and reliable internet. The setup app allows easy monitoring and control of network devices.

While it uses DOCSIS 3.0, it remains suitable for current speed plans. Users benefit from saving rental fees and reducing cable clutter. It is a practical budget choice for those avoiding separate router purchases.

Choose this combo for simplicity and value. It delivers essential voice and internet features in a single unit, making it a smart option for budget-conscious Xfinity customers.

Simplified Home Networking

Combining modem and router reduces cable clutter and simplifies device management for smaller spaces.

Integrated Wi-Fi Coverage

The built-in AC2350 Wi-Fi ensures wireless connectivity throughout your home without extra hardware.

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5. Hitron CODA56 – High Speed Cable Modem

4.4Editor scoreCheck price on Amazon

Hitron CODA56

DOCSIS 3.1

2.5 Gbps Port

No Voice Support

Modem Only

The Hitron CODA56 is designed for users prioritizing raw speed over voice integration. It supports plans up to 2.5 Gbps and is compatible with major providers like Xfinity and Spectrum. However, it lacks voice ports entirely.

Pros

• 2.5 Gbps performance
• Multi provider support
• Low latency
• 30+ year brand

Cons

• No voice features
• Router required

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Ideal for high-speed internet plans without voice needs, this modem delivers low latency for gaming and streaming. You must purchase a separate router for wireless connectivity. Its compatibility spans Xfinity, Spectrum, and Cox cable networks.

While it lacks voice capabilities, its performance justifies the investment for data-heavy households. Ensure you have a separate router ready to maximize its potential. It is a robust choice for those focused solely on internet speed.

Choose this if voice is unnecessary. It offers reliable high-speed internet, supporting modern routers and network demands effectively.

Multi-Gigabit Performance

The 2.5 Gbps Ethernet port supports ultra-fast internet plans for demanding home usage.

Cable Provider Compatibility

Works with Xfinity, Spectrum, and Cox, but verify your specific internet type before purchasing.

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6. NETGEAR Nighthawk CAX30 – High Speed Modem Router

4.1Editor scoreCheck price on Amazon

NETGEAR Nighthawk CAX30

DOCSIS 3.1

WiFi 6 Router

No Voice Ports

2.7 Gbps Speed

The NETGEAR Nighthawk CAX30 combines modem and router functionality for high-speed connectivity. It supports DOCSIS 3.1 and WiFi 6, making it suitable for fast internet plans. Voice features are not included in this model.

Pros

• AX2700 WiFi speed
• Integrated modem
• Whole home coverage
• Gigabit Ethernet

Cons

• No voice support
• Limited bundled plans

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Designed for whole-home coverage, it handles over 25 connected devices with ease. The integrated design simplifies setup while delivering reliable speeds for streaming and gaming. Ensure your provider supports this model for activation.

While voice is missing, its performance is strong for data-heavy users. It is ideal for households prioritizing wireless speed over voice lines. Verify plan compatibility to avoid activation issues.

Choose this for powerful wireless internet. It delivers fast speeds and broad coverage, making it a solid choice for modern connectivity needs.

Whole Home Coverage

WiFi 6 technology ensures strong connectivity in every room of your home.

Fast Data Handling

Supports plans up to 800 Mbps on Xfinity, ensuring smooth streaming and downloads.

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7. NETGEAR Nighthawk CM2050V – Best Multi-Gig Modem with Telephony

4.0Editor scoreCheck price on Amazon

NETGEAR Nighthawk CM2050V

DOCSIS 3.1

2.5 Gbps Support

Voice Capable

2 Phone Lines

The NETGEAR Nighthawk CM2050V offers ultra-fast speeds with voice support, ideal for Xfinity triple play plans. It supports up to 2.5 Gbps and provides two phone lines with enhanced features. This modem is built for high-demand households.

Pros

• Multi-gigabit speed
• Xfinity Voice certified
• Two telephone lines
• Future ready

Cons

• Limited availability
• Requires external router

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Its DOCSIS 3.1 technology ensures future-proofing for gigabit upgrades. Users benefit from clear calls and fast internet simultaneously. It requires a separate router for wireless connectivity, maximizing flexibility.

While it is a high-end option, the combination of speed and voice makes it unique. Verify Xfinity compatibility before purchase to ensure seamless integration. It suits users needing both premium internet and reliable telephony.

Choose this for multi-gigabit capabilities. It delivers top-tier performance with voice integration, making it a standout for power users.

Ultra-Fast Speeds

Supports cable plans up to 2.5 Gbps for the fastest internet experience.

Dual Voice Lines

Two phone lines with features like caller ID and conference calling.

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8. NETGEAR Nighthawk CM3000 – High Performance Modem

4.2Editor scoreCheck price on Amazon

NETGEAR Nighthawk CM3000

Mid/High-Split

2.5 Gbps Support

DOCSIS 3.1

No Voice Ports

The NETGEAR Nighthawk CM3000 unlocks faster download and upload speeds with mid/high-split technology. It works with major providers and supports plans up to 2.5 Gbps. Voice features are excluded from this high-speed model.

Pros

• Future-proof speeds
• Provider compatibility
• Fast upload speeds
• Multi-gig port

Cons

• No voice service
• High price

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Ideal for users prioritizing bandwidth for gaming and uploads, it pairs with any router for flexibility. The 2.5 Gig Ethernet port ensures your network keeps pace with your internet plan. Confirm mid-split availability with your provider.

While it lacks voice, its performance is unmatched for pure data needs. It is a solid choice for tech enthusiasts needing maximum throughput. Ensure your ISP supports mid-split plans before purchasing.

Choose this for raw speed. It delivers superior performance and future-proofing, perfect for demanding home networks.

Mid/High-Split Technology

Unlocking faster upload speeds for seamless gaming and file transfers.

Broad Provider Support

Approved for Xfinity, Spectrum, Cox, and most major US cable providers.

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9. NETGEAR Nighthawk CM3000 – Advanced High-Speed Modem

4.3Editor scoreCheck price on Amazon

NETGEAR Nighthawk CM3000

2.5Gbps Download

1Gbps Upload

DOCSIS 3.1

No Voice Included

The NETGEAR Nighthawk CM3000 delivers revolutionary speeds for Xfinity and Spectrum users. With mid/high-split technology, it reaches 2.5Gbps download and 1Gbps upload. It lacks voice capabilities but excels in raw performance.

Pros

• High-speed support
• Multiple ports
• Stable connection
• Easy setup

Cons

• No voice support
• Router needed

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Its multiple ports and link aggregation provide maximum wired connectivity. Setup is quick and stable for low-latency gaming. Ensure you have a separate router to utilize wireless features. It suits data-heavy households.

While voice is absent, its reliability is strong. It is ideal for those needing fast uploads and downloads. Verify your provider's support for these speeds to get the most out of this modem.

Choose this for maximum throughput. It offers rock-solid performance and future-ready speeds, making it a top pick for power users.

Lightning Fast Speeds

Revolutionary technology unlocks speeds far beyond standard cable modems.

Link Aggregation

Combine ports for up to 2Gbps wired connectivity for maximum bandwidth.

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10. NETGEAR Nighthawk CM2500 – Reliable High-Speed Modem

4.3Editor scoreCheck price on Amazon

NETGEAR Nighthawk CM2500

2Gbps Download

1Gbps Upload

No Voice

High Performance

The NETGEAR Nighthawk CM2500 delivers high performance for cable users needing faster uploads. It supports plans up to 2Gbps and is ideal for gaming and conferencing. Voice support is excluded from this model.

Pros

• Faster uploads
• Gaming optimized
• Mid-split enabled
• Link aggregation

Cons

• No voice features
• Router required

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It pairs best with high-end routers to maximize its potential. Link aggregation provides flexibility for wired setups. Ensure your provider supports mid-split plans before purchasing. It offers fast speeds and responsive performance.

While voice is missing, its upload improvements are significant for content creators. Verify provider compatibility for activation. It is a reliable choice for households prioritizing data speed.

Choose this for upload efficiency. It delivers faster speeds and stability, making it a strong option for modern internet needs.

Enhanced Upload Speeds

10x faster upload speeds improve video conferencing and large file uploads.

Gaming Optimized

Low latency design ensures smooth multiplayer gaming and responsive online play.

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Buying Guide – How to Choose the Best Modem with Telephony

Selecting the right modem with telephony support requires evaluating several key factors to ensure compatibility and performance.

Provider Compatibility

Verify your internet provider explicitly supports the modem model to avoid activation issues. Many voice modems are restricted to specific networks like Xfinity or Spectrum, and using incompatible hardware can lead to returns or service failures.

Check your provider's approved equipment list before purchasing to ensure seamless service integration.

DOCSIS Standard

DOCSIS 3.1 offers faster speeds and better efficiency than 3.0, making it future-proof for gigabit plans. Ensure your modem matches your current and future speed tiers to maximize value and performance.

Choose 3.1 for newer plans or 3.0 for standard speeds to balance cost and capability.

Voice Line Capacity

Most voice modems support one or two phone lines. Confirm your household needs and choose a model with sufficient ports to avoid external adapters or complex setups.

Ensure the modem supports the number of lines required for your home telephony needs.

Speed Tiers

Match the modem's maximum supported speed to your internet plan. Exceeding plan speeds wastes money, while slower modems bottleneck your connection. Ensure the device supports your plan's maximum Mbps.

Select a modem that matches your current speed tier to avoid overpaying or underperforming.

Wired Ports

Consider the number and type of Ethernet ports for your devices. Higher-end models offer Gigabit or Multi-Gig ports for faster wired connections, which are essential for gaming and streaming.

Ensure the modem has enough fast Ethernet ports for your essential wired devices.

Setup and Management

User-friendly setup apps simplify activation and network monitoring. Choose models with intuitive interfaces to easily manage devices and troubleshoot issues without technical expertise.

Opt for modems with companion apps for easier configuration and ongoing network management.

Modem Router Combo vs Separate

Combos save space but limit router upgrades. Separate modems offer flexibility for better Wi-Fi coverage. Decide based on your preference for simplicity versus performance.

Choose combos for convenience or separates for maximum performance and upgradeability.

Rental Cost Savings

Owning your modem can save up to $150 annually in rental fees. Calculate how quickly the purchase pays for itself compared to monthly charges.

Consider the long-term savings of owning versus renting your modem equipment.

How to Use and Care for Your Modem with Telephony

Connect your modem to the cable outlet and power source. Ensure all coaxial and Ethernet cables are securely tightened to maintain signal integrity.

Use your provider's activation portal to register the modem. This step is critical for linking your account and enabling voice services.

Keep the device in a cool, dry place to prevent overheating. Regularly check for firmware updates to ensure optimal performance and security.

Frequently Asked Questions

Final Thoughts on Choosing the Best Modem with Telephony

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