Searching for a scalable phone solution for your growing team? Learn which providers made our list of the best cloud phone systems.
As more organizations rely on internet-based communications, cloud phone systems have become the go-to alternative to traditional PBX hardware and on-premise VoIP. By eliminating costly servers and the need for constant upkeep, cloud systems make it easier to scale operations, support remote teams, and unlock advanced features such as call routing, analytics, and third-party integrations.
With lower costs, greater mobility, and streamlined management, cloud phone systems represent the future of unified communications. Therefore, this guide breaks down the five best providers in 2025 so you can identify the right fit for your business.
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My rating: 4.63 out of 5
Nextiva tops my list of cloud phone systems because it is a go-to solution for unified communications as a service (UCaaS). With Nextiva, you get built-in CRM capabilities, powerful analytics, and productivity-enhancing features all in one place. This means organizations can effortlessly centralize customer engagement, eliminating the hassle of relying on third-party integrations for even the most basic functions.
But what truly distinguishes Nextiva is its innovation in customer experience (CX). While many cloud phone providers offer over-the-top features and lists of integrations, Nextiva prioritizes delivering dependable reliability and outstanding service. With consistent uptime and call quality, small to medium-sized businesses can operate seamlessly with Nextiva’s combination of reliable service and CX features.
For more details, check out our in-depth Nextiva review.
| Pros | Cons |
|---|---|
| Native CRM tools reduce dependency on third-party apps | International calling requires add-ons |
| User-friendly interface with strong onboarding resources | Doesn’t offer as many integrations as other providers |
| Smart call routing and web-based agents powered by artificial intelligence |
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My rating: 4.62 out of 5
RingCentral has long been a leader in the VoIP and cloud phone industry. In 2025, it continues to hold that position by offering one of the widest ranges of integrations. With over 500 business applications, RingCentral is the preferred provider for organizations that rely heavily on third-party tools like Salesforce, Microsoft Teams, and Slack. This makes it a must for IT professionals responsible for aligning communication systems with existing workflows.
As a unified communication platform, a RingCentral subscription also includes video meetings, team messaging, analytics, and AI-powered transcription. For hybrid teams, this means you no longer have to use multiple disconnected platforms. And, although the learning curve may be slightly steeper, the reward is a highly customizable system that can adapt to your unique needs.
For more details, check out our RingCentral review.
| Pros | Cons |
|---|---|
| Over 500+ third-party apps and integrations | Limited SMS messaging across the business plans |
| Unified communication platform with video conferencing and team collaboration tools | Automatic call recording isn’t available on the Core plan |
| Artificial intelligence assistance with meeting insights and call transcription | It can be complex to navigate for new users |
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RingCentral provides two distinct subscription plans tailored to different needs. The first plan is primarily designed for business phone services, while the second plan includes subscriptions specifically for cloud contact centers, catering to organizations that require comprehensive communication solutions.
My rating: 4.45 out of 5
Although we mainly associate Zoom with its video conferencing software, it also offers an affordable phone system. Its pay-as-you-go metered plan starts at just $10 per user each month, making it one of the most budget-friendly options available. For businesses switching from traditional landlines, its low entry cost and workspace subscriptions make it an ideal choice.
Specifically, Zoom Phone offers seamless integration with Zoom Meetings, streamlining communication for teams already using the Zoom platform. And even though some of its advanced call management features are not available on the metered plan, Zoom’s flexible pricing makes it one of the most accessible cloud phone systems available.
Learn more by reading our Zoom Phone review.
| Pros | Cons |
|---|---|
| Offers pay-as-you-go or unlimited calling | Limited native CRM integrations compared to other providers |
| Excellent global reach and local number availability | SMS message summarization requires an add-on |
| Team collaboration tools like virtual fax, video meetings, and call recordings |
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My rating: 4.16 out of 5
Dialpad is a leader in advancing AI-powered communication and customer service in cloud phone systems. Features like real-time call transcription, live sentiment analysis, and voicemail transcription make it easier for businesses to collect and act on information during conversations. For customer-facing teams, these tools provide actionable insights that can immediately improve service quality.
Along with its AI features, Dialpad is user-friendly and integrates smoothly with popular productivity platforms like Google Workspace and Microsoft 365, making it a good option for organizations that want advanced technology without complexity. However, international calling often needs add-ons, so it’s not always the best option for globally distributed teams.
To learn more, read our Dialpad review.
| Pros | Cons |
|---|---|
| Native CRM integrations on the Pro and Enterprise plans | Additional numbers are only available on the highest-tier plans |
| AI-powered transcription and instant call summaries | International calling requires additional fees |
| Unlimited calls and meetings | Internet fax and meeting passwords are add-ons |
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My rating: 4.12 out of 5
8×8 is my top recommendation for international businesses. Unlike many competitors, it offers unlimited international calling to 14 countries in its entry-level plan and up to 48 countries in higher tiers. This makes it the most cost-effective option for companies that regularly communicate with international clients or have a global network of offices.
Beyond its international coverage, 8×8 offers comprehensive analytics and reporting tools, allowing IT and operations leaders to monitor usage and performance across teams easily. While many providers offer workspace integrations, 8×8 offers extensive collaboration with Microsoft Teams and provides unified communication tools through a cloud PBX platform.
If you want a deeper dive, read our 8×8 review.
| Pros | Cons |
|---|---|
| Unlimited calling to up to 48 countries, depending on the plan | The user interface is less polished than that of other providers on this list |
| Native integration with Microsoft Teams | Limited native integrations compared to other cloud phone systems |
| Mix and match plans with contact center solutions, APIs, and unified communication tools | Lacks pricing transparency |
Visit 8x8
When choosing communication solutions for your business, several key features can improve efficiency and effectiveness. These include:
These features collectively build a comprehensive communication strategy that boosts team collaboration and improves customer engagement, which are the main benefits of using a cloud phone system.
Choosing the best cloud phone system depends on your company’s size, evolving needs, and growth plans. Based on my evaluation, each provider specializes in different use cases, so the right choice depends on your team’s priorities.
By weighing these strengths against your budget and long-term communication strategy, you can confidently choose the provider that best supports your business now and as it expands.
When exploring the world of cloud phone systems, I looked into several key areas to find the best options. First, I focused on calling and communication features, examining both basic telephony functions and advanced options. I ensured that calls were clear, included robust voicemail-to-email features, and facilitated seamless integration with CRM tools. I also prioritized scalability and reliability, with uptime guarantees being a top concern.
Next, I compared pricing and affordability by reviewing different pricing tiers and licensing models, analyzing bundled features, and emphasizing transparency in costs and contract options. An easy-to-use interface across mobile and desktop apps was essential, so I evaluated the setup process, management tools, and daily usability, from the admin dashboard to user onboarding and performance across devices.
Customer support and provider reputation also played a key role in my review, and I examined service quality, responsiveness, and the availability of self-service resources. To conclude, I evaluated usability, value, and how well each system meets business needs, highlighting strengths and weaknesses that could influence your decision and offering my own perspective on the best use cases for each solution.
Faithe J. Day is a technology educator with over a decade of experience covering emerging digital trends and business technology. She holds a Ph.D. in Communication Studies and has spent more than six years teaching diverse audiences about digital communication and online engagement. Her work focuses on artificial intelligence, CRM and sales platforms, marketing technology, workplace software, and modern communication tools, helping readers understand how evolving technologies shape business growth and digital communication. Faithe has written for publications and organizations including Fit Small Business, TechnologyAdvice, Noble Desktop, and Women in Tech. Her work combines product analysis with practical business insights to help professionals make informed technology decisions. Grounded in the digital humanities, Faithe is particularly interested in how digital platforms and emerging technologies shape the way businesses and communities connect and build more inclusive digital experiences.
