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Business Phone Systems

Cloud-based calling on our hosted VoIP business phone systems let you manage your calls from anywhere, on any Internet-enabled device.

Ready to learn how Cox Business can help solve your challenges? Speak with one of our specialized IP Centrex representatives.

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Voice packages starting as low as $19/month

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Call us to order new service, ask questions about a pending order, or upgrade your service.

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IP Centrex Plans And Pricing

Business Phone System Benefits

Make sure your customers reach the right person whenever they call with our IP Centrex VoIP solution. This cloud-based business VoIP phone system delivers reliable, business-grade voice service to help you manage your business's call volume effectively and efficiently.

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No Upfront Equipment Costs

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Tailored Design, Install, and Training

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24/7 Customer Support

Sophisticated Routing

Route callers to the right queue with the right priority, and to the next available agent using Call Center Standard.

Stay Connected, Anywhere

Access and manage your calls no matter where you are using the UC app on your smartphone, tablet, or desktop.

Tailored Plans

We'll help you design a scalable plan for now and in the future—from startup-sized solutions to comprehensive corporate systems.

Control IT Costs

We handle updates, installations, and repairs, allowing your in-house IT staff to focus on other aspects of the business.

No Upfront Equipment Costs

Leased equipment reduces the cost of adoption and lets you easily upgrade or expand your services as needed.

Managed Design, Install, And Training

Our team of coordinators and training specialists will work with you to design your phone systems solution and provide training to your team.

Business Phone System Features

Our hosted business phone systems come with a variety of flexible features to meet your needs.

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On-hold Music

Use music or custom messaging to entertain and educate customers while they are on hold.

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Sequential Ring

Route customers to your next available phone so you don't miss a call.

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Readable Voicemail

No need to constantly dial your voicemail. Quickly and conveniently read transcribed voicemail text.

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Call Hold

Place calls on hold without the need for extra phone lines.

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Enable employees to share handsets by logging in to make and receive phone calls.

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N-Way Calling

Conduct calls with up to 15 callers without the need for any special configuration.

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UC Apps

Put the power of your office in your pocket with UC apps.

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Plus More

Continue to enjoy features you'd expect from a standard phone like CallerID, Call Forwarding and Unlimited Long Distance.

How to Choose a Small Business Phone Provider

In a world where technology provides significant competitive advantages, it’s important to ensure your business telephone service provides the features and services you need.

What Is VoIP and How Can It Work for Small Business?

Do you need enterprise-level business phone capabilities on a small budget?  Taking advantage of VoIP systems for small businesses helps you level up your services.

Business Phone Seats

You deserve better than a “one-size-fits-all” business phone system. IP Centrex hosted VoIP lets you design a plan that’s built around your business — from lightweight startup solutions to comprehensive corporate systems and everything in between.

Mobile Seat

Select Seat

Professional Seat

Unified Communications


UC App Compatible


Phone Number and Extension


Enhanced Calling Features




All Add-Ons Available


Call Center Standard Agent/Supervisor



Receptionist Console/Queuing



IP Phone



Dedicated Network Connection


Professional Installation**


On-Site Support**


**Limited service area

Business Phones for Hosted Voice Systems

Cox Business offers a portfolio of reliable, stylish, easy-to-use business phone systems made specifically for operational efficiency. These intuitive business phone systems deliver advanced features and are designed to improve and simplify communications across your entire company.

Polycom VVX 150 phone

Polycom VVX 150

2-line Business IP Phone

  • Ideal for home offices or shared/common areas, such as lobbies, hallways, and break rooms, or for any location that needs simple and reliable phone service.
  • 2.5” monochrome backlit display
  • Supports 1 IP Centrex Seat
  • In-call keys: call transfer and hold
  • HD audio
  • 2x 10/100 ethernet port
Polycom VVX 311 Phone

Polycom VVX 311

6-line Business Media Phone

  • Powerful entry-level business media phone to handle a low to moderate volume of calls and deliver crystal clear communications
  • Backlit 8-level grayscale graphical LCD
  • Call waiting
  • Call transfer
  • Local 3-way audio conferencing
  • Remove missed call notification
  • Do not disturb function
Polycom VVX 411 phone

Polycom VVX 411

12-line Business Media Phone

  • Business media phone delivering clear communications for medium and large businesses that need to speak with multiple customers and employees
  • Backlit 3.5” Color LCD
  • 12-lines (Programmable Line Keys, On-screen)
Polycom VVX 501 Phone

Polycom VVX 501

12-line Business Media Phone

  • Business media phone delivering clear communications for medium and large businesses that need to speak with multiple customers and employees
  • 12-lines (programmable line keys, on-screen)
  • Gesture-based, multi-touch capable touch screen (for touchscreen phone)
  • Screensaver and digital picture frame mode
  • Local 3-way audio conferencing
  • Dual USB ports
  • Up to 24 simultaneous calls
Polycom VVX Color Expansion Module

Polycom VVX Color Expansion Module

Key Expansion Modules are designed to allow front-of-the-house employees to quickly answer and route calls. Each module offers programmable multi-colored LED buttons, along with illuminated line-status including busy lamp field, digital button labels, and call transfer to streamline call management.


  • 28-button LCD display
  • Digital labels for buttons
  • 3-page view via left and right navigation keys
  • Illuminated line-status monitoring
  • Up to 30 instances of BLF
  • Speed dial and call transfer
  • 74 programmable multicolored LED buttons
Panasonic TGP600 Series

Panasonic TGP600 Series

Reliable, stylish, easy-to-use IP cordless phones made specifically for business use. These intuitive phones deliver advanced features that improve and simplify communications across your entire company.



  • Supports up to 8 IP Centrex seats
  • Add up to 8 cordless handsets
  • Color screen
  • Optional repeater available
SoundStation 5000

SoundStation 5000

The Polycom SoundStation IP 5000 is ideal for smaller conference rooms. Its microphone picks up voices up to 7 feet away, and its compact footprint is designed for executive offices and smaller conference rooms with up to 6 participants.

SoundStation 6000

SoundStation 6000

The Polycom SoundStation IP 6000 is ideal for midsize rooms. Its microphone picks up voices up to 12 feet away, and its footprint is designed for executive offices and smaller conference rooms with up to 6 participants.

Customer Success Stories

"For us it's all about connections. Cox Business helps us make those connections."

Learn how Cox Business is helping the Oklahoma Humane Society:

  • Connecting adopters and fosters
  • Staying connected internally
  • Engaging with donors and the community

"Cox Business Systems have been a winning combination"

Learn how Cox Business is helping Nelson Mazda and Nissan:

  • Provide seamless integration with all services
  • Staying connected with team members and customers
  • Improves customer experience  

Get Business Phone Systems

Let's build the best plan for your business.

Within the next business day we'll reach out to:

  • Learn about your business needs and challenges.
  • Provide a comprehensive plan on how we can help your business.
  • Share our contact information, giving you time to research other options.