Business VoIP Providers

Business VoIP enables firms of any size to modernize their communication systems. With a host of advanced features, low costs, and ultimate versatility, cloud business VoIP provides the tools you need to thrive.

Multi-Line Phone Systems for Business

What is VoIP Service?

VoIP stands for Voice Over Internet Protocol. It is a technology that allows you to make calls over the internet, rather than through traditional phone providers.

VoIP is a series of telephony protocols that utilize packet switching, allowing digital voice data to transmit over the internet in real time. Essentially, this allows digital cloud services to function similarly to traditional landline telephone networks.

VoIP services provide the software and cloud servers necessary to conduct internet calls. They help bridge the gap between VoIP users and users on traditional phone networks. With the help of cloud phone providers, you can make calls over the internet — to almost any phone number, in any country.

In the last decade, millions of businesses have made the switch to VoIP. The benefits provided by switching to a VoIP phone provider are numerous. Costs are substantially lower, and generally more predictable. VoIP systems are easier to set up, and more flexible. But the main reason why businesses switch to Voice over IP is to take advantage of the many advanced features it offers.

Business VoIP providers offer a wide range of useful features for firms of all sizes. Users can conduct phone calls, video meetings, and conference calls, all through the same platform. Employees can stay connected wherever they go, with calling from almost any device. Firms can integrate VoIP softwares with other business tools and applications, enhancing productivity and cutting down on clutter.


  • HD voice quality
  • Conduct calls from almost any device
  • Low, predictable pricing
  • Calling, video conferencing, and SMS all on one platform
  • Add users instantly, and with low costs
  • Intuitive apps and software for every major OS
  • Integration with popular business software and applications


  • Standard voice quality
  • Calling limited to traditional desktop phones
  • Higher costs, particularly for advanced systems
  • Limited to calling and conference calling only
  • Number of users limited by physical lines and expensive equipment
  • No software or apps
  • No integrations

How to choose a VoIP provider

There are many companies providing internet phone services for business. To pick the right one, look for services offering encrypted security, advanced features, and a reputation for good customer service and reliability.

Fixed VoIP - Flexible options


One key reason to make the switch to VoIP is the versatility it offers. However, not all services offer the same suite of features and device compatibility. Look for a VoIP phone provider that is compatible with a wide range of devices, and that offers global coverage. Seek out features that will help keep your team connected, like virtual meetings, integrations with business software, and seamless call transferring between devices.

Fixed VoIP - Advanced security


Security and stability are vital to business communications. Look for business VoIP providers that encrypt user communications and data. Specifically, firms should seek out service providers that offer Advanced Encryption Standard (AES) 256-bit encryption, which is considered the gold standard for data security. Reliability and server uptime go hand-in-hand with security, and are equally important for businesses to consider. Zoom Phone offers AES 256-bit encryption, as well as full geographically dispersed redundancy, and SOC2*, HIPAA* & Fedramp* compliance.

Available features

Useful features are the main reason why many businesses switch to VoIP companies. Look for a host of advanced features, including call recording, video integration, international calling, automated call routing, and out-of-the-box integrations with other business applications and software.


There are many VoIP service providers, but only a few that you can fully trust. Reliability, customer service, and server stability are all extremely important - and all difficult to measure, without the opinions of real customers. It’s wise to check online review platforms like G2 and TrustRadius to see what other business owners think about the various VoIP providers.

Zoom Phone as a business VoIP provider

Zoom Phone is a cloud phone system, natively built for the Zoom platform. It integrates calling with Zoom’s popular video meeting tools to create a versatile, simple, and powerful communication tool.

Unified communications

Zoom is a Unified Communications as a Service (UCaaS) provider. With Zoom Phone, firms can consolidate all communication to a single platform. Voice, video, conferencing, and webinar combine, allowing firms to conduct international business calls, internal video meetings, and remote collaboration, all in one place. Utilizing a UCaaS provider like Zoom allows firms to simplify communications, while substantially cutting costs.

Flexible and scalable

Zoom Phone is incredibly flexible and almost infinitely scalable. Users have the flexibility to make calls on their office phones, computers, smartphones, and tablets. Calls can easily be transferred to different devices - or even elevated to a video conference - without interruption. New users, phone numbers and calling plans can be added with the click of a mouse. And the use of software-based “softphones” enables firms to add users without additional hardware costs.

Calling and administrative features

Zoom Phone offers a host of useful calling features that are simple to set up and configure. Voicemail, call recording, call waiting, caller ID, and all other standard features are included. More advanced features like intelligent call routing, voicemail transcription, and Elevate to Meeting provide additional tools for business. Administrators will appreciate the ability to set up business hours to intelligently route calls globally. Managers can monitor call quality — and calls themselves — in real time, stepping in with whisper, barge, and takeover features where necessary.

Bring your own carrier option

Zoom Phone offers the ability to keep your existing telephone carrier, while still utilizing the more advanced features of VoIP service. For some firms, this can make the transition to cloud phone services simpler, and can also prevent contract termination fees. With this hybrid model, businesses can enjoy all the features that make Zoom Phone great, while keeping the contracts, phone numbers, and calling rates of their existing carriers. Learn more here.

Zoom One

Enable modern collaboration with chat, phone, whiteboard, and video meetings in a single offering.

  • Start a phone call or video meeting from a chat message
  • Collaborate on a whiteboard from your desktop or room, and easily share it with others
  • See whether a colleague is available with presence status

Zoom One — your all-in-one communication and collaboration offering.

VoIP Provider FAQ

Making the switch is typically a multi-stage process, but Zoom Phone makes it as simple as possible. The process of switching will depend on the size of the business, and the complexity of the current telephone system. There are two ways to make the switch: A hybrid model, which allows you to keep your existing carrier and slowly migrate to the cloud, and a direct switch option. Either way, Zoom Phone’s onboarding team will be with you for every step of the process.

Business VoIP service from Zoom Phone costs as little as $8 per month per user. Zoom Phone offers competitive, transparent pricing on our internet phone services, with packages perfect for any size business.

No. VoIP can be used directly from computers, tablets and cellphones, via the native Zoom application. Physical phones can also be used, so long as they are VoIP-enabled. USB phones are an inexpensive option, as are USB headsets. For full-fledged features, Zoom Phone supports a wide variety of modern desktop office phones. Zoom Phone also offers the option to obtain VoIP phone hardware as a service, with predictable monthly expenses and low startup costs.

Zoom Phone supports phone number porting, so you can transfer over any existing numbers that you are currently using. You can also get a new number through Zoom Phone if you choose.

Yes. You can use Zoom Phone from anywhere that you have an internet or cellular data connection. Make calls, join video conferences, and send important internal messages, all from virtually any device. You can even set up calls to route to your office phone during the day, and your cell phone after business hours.

Zoom Phone - Best Multi-line Phone for Business

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