Top 5 VoIP Service Providers for Small Business 2025
Running a small business means constantly juggling and managing different tasks. With regard to operations, small businesses are always looking to find better ways to communicate with customers while simultaneously keeping their monthly costs as low as possible.
Top 5 VoIP Service Providers for Small Business 2025
In this article, Rich Technology Group covers the top 5 service providers for small businesses in 2025. RTG highlights each service provider’s company origin, key features, supported IP phones, and the pros and cons of each option so you can make an informed decision while searching for your next business phone system.
5. Simplicity VoIP
Simplicity VoIP was founded in 2012 by its president and CEO, Benjamin Humphreys, and is headquartered in Richmond, Virginia. Simplicity VoIP has been making waves in the small business communication market because of its straightforward and easy-to-use features alongside its competitive pricing. Over the years, Simplicity VoIP has successfully built a reputation for offering a user-friendly service combined with excellent features and great customer support.
Features
Some of their main features to help small businesses carry out clear-cut communication include the Simplicity Go Mobile app and desktop app, general voicemail, voicemail-to-email, video conferencing, text-to-speech, delayed simultaneous ring, auto attendant, SMS text messaging, and MMS messaging. Furthermore, Simplicity VoIP provides powerful tools for call management such as multiple auto attendance, basic to advanced call reporting and analytics, caller ID, call screening, call localization, and call forwarding options.
Simplicity VoIP also offers advanced features and device-level customization through their Administration portal. These include features such as music on hold, a customizable operator forwarding, auto provisioning, bulk editing, device overrides, password management, and presence settings.
Integrations
In terms of software integrations, Simplicity VoIP includes plenty of major integration options for small businesses that are required to carry out productivity tasks smoothly. Some of these include Salesforce, Microsoft Dynamics, Sugar CRM, Zendesk, NetSuite, ServiceNow, and Bullhorn.
Compatible IP Phones
Regarding IP phone compatibility, Simplicity VoIP is compatible with Yealink and Poly IP phones.
Pros and Cons
PROS
| Simplicity VoIP offers user-friendly tools, portals, a mobile app, and a desktop app. |
| Simplicity VoIP offers great customer service in most cases—better than the rest. To support this, they won the best customer service award two years in a row in our past VoIP Awards 2024 and 2023 ceremonies. |
| Simplicity VoIP’s onboarding process and steps are easy and straightforward, and a personalized support rep is just a direct phone call away. |
CONS
| Simplicity VoIP offers a limited feature set compared to some of their competition. |
| Simplicity VoIP’s pricing is not the cheapest. |
4. Zoom Phone
Zoom Phone was founded by its current CEO, Eric S. Yuan, in 2019 and is headquartered in San Jose, California. This service was originally called Zoom Voice but later changed its name to Zoom Phone. Zoom Phone has proven itself to be a great contender in this list with its roots in video and web conferencing. They offer a well-rounded solution for small businesses that need to carry out day-to-day operations and communications.
Features
Zoom Phone offers plenty of basic to advanced features to help small businesses achieve customer satisfaction and improve productivity. Their most popular features are the Zoom Phone mobile and desktop apps for all platforms, such as Android, Mac OS, and Windows, integrated team chat, and the ability to use an actual desktop or cordless IP phone with the service.
Essential calling features included in the platform are call transfer, call forwarding, voicemail, call recording, call blocking, call delegation, call hold, call monitoring, call whisper, call barge, call takeover, and call park. Apart from this, there are plenty of options to help improve the administrative side of small businesses, which include a dedicated call handling panel, analytics and reporting, phone number reporting, device management, provisioning and managing phones, global call routing, multiple auto attendants, and call reporting.
Integrations
Zoom Phone integrates seamlessly with a variety of popular CRMs, calendars, and email tools. Some of the most popular names include Salesforce, Zendesk, Jira, Asana, Slack, and Microsoft Dynamics 365. Zoom also provides a marketplace called the Zoom App Marketplace with plenty of application integrations to choose from. For a small business, it is a really convenient way to search for suitable integrations as all the available documentation and resources are present there.
Supported IP Phones
Zoom Phone ensures compatibility with a variety of IP phones from industry-leading manufacturers such as Poly, Yealink, Grandstream, Cisco, Fanville, and more.
Pros and Cons
PROS
| Zoom Phone is quite easy to set up and use. |
| Zoom Phone is quite easy to set up and use. |
| Zoom Phone provides an initial onboarding specialist for new accounts regardless of business size or number of extensions. |
| Zoom Phone pricing plans are very affordable for small businesses and startups. In fact, Zoom Phone won best value service at our previous VoIP Awards Ceremony 2024. |
| Zoom Phone offers integration capabilities with the most widely used software platforms and productivity tools. |
CONS
| Zoom Phone’s basic plan requires an upgrade to speak to a customer service representative. |
| Zoom Phone’s advanced call reporting and analytics cost extra and require an upgrade. |
| Zoom Phone’s quoting process can be really painful for smaller accounts. |
| Zoom Phone’s basic plan requires an upgrade to make outbound calls. |
3. RingCentral
RingCentral has been a well-established leader in the VoIP industry with over two decades of experience. RingCentral was founded in 1999 in Belmont, California, by Vlad Shmunis, who still serves as the CEO today. RingCentral is a powerful VoIP company with a rich and extensive set of business phone system features. They provide an all-in-one platform that combines voice, video, and messaging capabilities, making it the ideal choice for small businesses.
Features
Starting with the basic features, RingCentral includes mobile and desktop apps, HD voice, video meetings, screen sharing, unlimited local calling within the USA and Canada, and toll-free minutes. In addition to this, the calling features that small businesses can use to increase their productivity and efficiency include auto receptionist, call routing, call recording, call flip, call switch, call park, call forwarding, voicemail, click-to-do functionality, and voicemail-to-email transcription management.
Small businesses can also make use of RingCentral’s advanced call monitoring features, such as call whisper, call takeover, live and post call transcription, internet faxing, and individual user call analytics to help improve their operations. This is just a tip of the iceberg, as there are plenty of other features. Additionally, RingCentral keeps on releasing new features almost monthly, so they are absolutely worth considering.
Integrations
RingCentral also supports many integrations with several productivity applications and CRM systems, such as Microsoft 365, Microsoft Teams, Google Workspace, Salesforce, Zendesk, HubSpot, Intercom, Cahoot, and many more. These are supported through the RingCentral App Gallery, where small businesses can easily search online for the integration they desire.
Supported IP Phones
RingCentral is compatible with almost all the popular names in the IP phone market, such as Cisco, Poly, Yealink, Avaya, Mitel, Snom, and Unify.
Pros and Cons
PROS
| RingCentral is an incredibly feature-rich VoIP service provider, having more features included in their plans than most VoIP service providers on the entire market. |
| RingCentral offers great scalability for growing businesses. |
| RingCentral offers the largest array of third-party app integrations. |
CONS
| RingCentral can be overwhelming for small businesses that are just starting. |
| RingCentral’s pricing can be expensive for some small businesses who are just looking for a very basic service. |
2. Vonage
Vonage is a trusted name in the business phone systems arena with a history dating back to 2001. Vonage, headquartered in Homedale, New Jersey, is under management by its current CEO, Niklas Heuveldop. Vonage can be marked as a suitable provider for small businesses and startups because of its flexibility, reliability, and portability. It offers robust communication solutions without breaking the bank and provides all the features required to run a small business like a well-oiled machine.
Features
From basic features like voice calling, video conferencing, and text messaging to advanced options like call forwarding, call recording, and voicemail transcription, Vonage includes just about all the features a small business requires. Vonage’s renowned features include a mobile and desktop app, HD voice calling, call flip, call tagging, call continuity, unlimited auto attendance, after-hours auto attendant, voicemail-to-email, call monitoring, team messaging, call blocking, call transfer, privacy preferences, call logs, caller ID, call diversion, do not disturb, call hunt, call waiting, and virtual numbers.
Additionally, Vonage offers advanced functionality for small businesses, including support for Voiceover IP desk phones and unlimited video meetings with up to 200 participants, a BBC App Center, and single sign-on. The platform also offers unlimited calling within the USA, Canada, and Mexico.
Integrations
Vonage integrates seamlessly with the most popular CRM systems, including Salesforce, Microsoft Teams, Zendesk, HubSpot, Slack, and many more. There are around 20 integration options available with Vonage, giving small businesses a lot of flexibility to connect to the Vonage system with the tools they already use.
Supported IP Phones
With regards to compatible hardware, the two primary IP phone brands offered by Vonage are Yealink and Poly. However, Vonage can also support models of Cisco and Panasonic IP phones.
Pros and Cons
PROS
| Vonage has a great user interface and is extremely user-friendly, even for non-tech-savvy individuals. |
| Vonage includes a lot of features that other providers offer at an extra cost. |
| Vonage offers great flexibility with almost all the popular CRM systems and tools. |
| Vonage offers exceptional international service quality if you need to use their mobile or desktop apps outside of the United States or overseas. |
CONS
| Vonage offers extremely limited customer service and support. |
| Some of the Vonage add-on features, such as voicemail transcription, are free with other providers, whereas with Vonage you have to pay a little extra to get these features. |
1. Nextiva
Nextiva has earned its spot as a leader in the industry by offering a feature-packed, reliable, and highly customizable solution. Headquartered in Scottsdale, Arizona, Nextiva was founded in 2008 by its current CEO, Thomas Gorney. Nextiva is well known for its focus on simplicity, customer service, and innovation, making it a current favorite among small businesses in 2025 looking to streamline their communication system.
Features
Nextiva combines all the basic features such as HD voice, unlimited calling, voicemail-to-email, and text messaging. Their calling features include call forwarding, call screening, call park, three-way calling, call cues, and call recording. Along with this, they offer the NextivaOne platform, which is an all-in-one unified communication platform designed for maximum flexibility and productivity. NextivaOne combines mobile and desktop apps, team chat, and built-in video conferencing into a single easy-to-use interface.
Some of the most popular features include unlimited auto attendance, custom music on hold, custom ringbacks, voicemail-to-text, visual voicemail, virtual facts, call analytics, priority alerts, and advanced call management.
Integrations
Small businesses can connect Nextiva with the most common CRM management tools and productivity suites on the market. Some of the most popular names include Zoho, HubSpot, Zendesk, Salesforce, Google Contacts, Microsoft 365, Microsoft Teams, and Microsoft Dynamics.
Supported IP Phones
When it comes to compatible hardware, Nextiva extends its support to major IP phone brands such as Yealink, Poly, and Cisco, while also offering their own Nextiva brand IP phones as well.
Pros and Cons
PROS
| Nextiva offers a great essential feature set for small businesses, typically being all that the average small business or startup needs without having to purchase any additional add-ons or extra service features. |
| Nextiva unifies all the communication and collaboration tools into one easy-to-use platform called NextivaOne. |
| Nextiva offers exceptional customer service. |
| Nextiva offers relatively competitive pricing compared to other providers. |
| Nextiva’s platform is very user-friendly and easy to use. |
CONS
| Nextiva offers very limited CRM integration options compared to their competition. |
| Nextiva is not the best provider for international calling. |
If you are reading this article and would like our assistance in determining which VoIP service provider on the market best meets your feature requirements and budget, please contact us directly. We are compensated by referring customers to the service providers, which means our consulting service is 100% free—there is nothing to lose.
