Top VoIP Providers of 2025: A Comprehensive Review for Businesses

Did you know that businesses implementing VoIP solutions have seen an average saving of 50–75% on telecommunications costs?

VoIP (Voice over Internet Protocol) is revolutionizing how you connect by enabling voice communications over the internet, replacing traditional phone lines with a more flexible, cost-effective solution.

Whether you’re managing a small team or a large enterprise, VoIP service providers offer you a suite of powerful features like unlimited calling, call recording, video conferencing, and seamless team chat conversations that can transform your business communications. Top VoIP providers deliver all the features businesses need for seamless communication, ensuring value and ease of use.

With remote work becoming the norm, you need a phone system that adapts to your evolving needs. VoIP phone systems are designed to provide you with reliable and efficient communication tools, including advanced call center features, call management, and integration capabilities that streamline your workflows and enhance customer interactions.

In this article, we will explore the top VoIP providers, comparing their features, pricing, and suitability for various business needs to help you make an informed decision. The best VoIP services are especially valuable for ecommerce businesses and teams handling high call volumes and requiring scalable, customizable solutions.

Top 15 VoIP Providers of 2025

1. Nextiva — Best Value and Customer Support

Nextiva is an AI-based cloud telephony and customer experience tool that offers businesses services like call transcription, call recording, call-to-voicemail, and cloud data storage to organize their outbound lead workflows.

Nextiva has a customer satisfaction score of 91 in the overall business segment, with 89% of G2 users likely to recommend it for phone calls, AI voice assistance, and direct VoIP calls.

What impressed me was the clear and consistent call quality, even when working remotely or juggling multiple conversations. The voice clarity was on another level compared to previous providers, making day-to-day operations feel more professional and less stressful.

I immediately noticed how robust and reliable their VoIP platform is. It offers real-time call routing, built-in texting options, and voicemail-to-email, which saved me more time than I can count. The contact center software transformed how we interact with clients with detailed call analytics, including real-time call volume metrics to help monitor and optimize customer service performance, and intelligent routing.

Customer service is a highlight; unlike many tech vendors, support was quick and helpful every time.

What I like about Nextiva:

• Extremely solid phone system with no major challenges.
• Convenient VoIP system for remote work with apps on desktop and mobile.

What I dislike about Nextiva:

• Occasional dropped calls and app performance issues after updates.

2. RingCentral — Best Team Collaboration Features, Video, and Easy-to-Use

RingCentral is a comprehensive cloud business phone system that combines voice, SMS, team chat, and video meetings in one platform. It stands out for its ease of use and extensive collaboration tools, including file sharing, task management, and AI-powered meeting transcripts. RingCentral’s video meetings include all the basic features such as chat, screen sharing, and call management tools.

RingCentral supports multi-level IVR menus, call queues, and hundreds of third-party integrations, making it ideal for teams needing both phone service and internal collaboration.

What I like about RingCentral:

• Intuitive interface with powerful team collaboration features.
• High-quality video meetings with interactive tools like whiteboards and AI summaries.

What I dislike about RingCentral:

• Monthly SMS limits on lower-tier plans.
• Dashboard customization can be overwhelming initially.

3. Zoom Phone — Best Video, Flexibility, Collaboration, and Pricing

Zoom Phone offers a flexible VoIP solution integrated with Zoom’s renowned video conferencing platform. It supports unlimited domestic calling, call recording, call transcription, and team chat conversations.

Its pricing is competitive, with options for pay-per-minute or unlimited calling plans. Zoom Phone’s VoIP plan offers flexibility for businesses of all sizes, providing options for unlimited calling and essential features. The platform is highly scalable, suitable for small businesses to large enterprises.

What I like about Zoom Phone:

• Seamless integration with Zoom Meetings.
• Flexible pricing and strong call quality.

What I dislike about Zoom Phone:

• Limited hardware options compared to competitors.
• Some advanced features require add-ons.

4. GoTo Connect — Best for International Calling

GoTo Connect is a cloud-based voice, video, and chat platform with easy-to-use call routing tools and a drag-and-drop dial plan editor. It excels in international calling with competitive rates and robust call management features. GoTo Connect efficiently manages each inbound call through features like call routing and queues, ensuring incoming customer calls are directed to the right team or agent.

The mobile app allows seamless switching between desk phone and cell phone, supporting remote and hybrid teams effectively.

What I like about GoTo Connect:

• Powerful call routing and international calling features.
• User-friendly interface suitable for all skill levels.

What I dislike about GoTo Connect:

• Occasional desktop app crashes.
• Customer support can be slow during billing or porting issues.

5. 8×8 — Best for International Calling

8×8 offers unlimited local and global calling across 14 countries, along with SMS, team chat, and video meetings supporting up to 500 participants. Its UCaaS platform balances simplicity with essential routing features like IVR menus and call queues.

8×8 is a strong choice for companies prioritizing video collaboration and international calling.

What I like about 8×8:

• Wide international calling coverage.
• Feature-rich video meetings with collaboration tools.

What I dislike about 8×8:

• Dashboard design is plain compared to competitors.
• Advanced call center analytics are not available on the basic plan, making it more suitable for small teams or those with simpler needs.

6. Dialpad — Best AI Features

Dialpad provides intelligent calling with real-time AI-powered call transcription, call summaries, and analytics. The platform supports voice, SMS, team chat, and video meetings with a modern, user-friendly interface.

It offers CRM integrations and custom call routing, making it ideal for sales and support teams.

What I like about Dialpad:

• Cutting-edge AI features included in all plans.
• Seamless cross-device calling experience.

What I dislike about Dialpad:

• Onboarding new users can be complex.
• Occasional transcription inaccuracies.

7. Vonage — Best for APIs, Customization, and Unlimited Texting in the US

Vonage Business Communications offers a flexible VoIP platform with voice, video, team chat, and SMS. It supports unlimited texting in the US and offers unlimited SMS texting within the US, making it ideal for businesses that rely on frequent text communication. The platform also integrates with CRM and Microsoft Teams.

Customization options and API access enable businesses to tailor the system to their needs.

What I like about Vonage:

• Strong integration and customization capabilities.
• Reliable unlimited texting and unlimited SMS within the US.

What I dislike about Vonage:

• Call drops and occasional app lag.
• Some features require costly add-ons.

8. OpenPhone — Best for Phone Number Flexibility

OpenPhone is a user-friendly VoIP provider that enables multiple users to share phone numbers and supports smart call recording and AI-powered call summaries. OpenPhone allows several users to make calls and send texts from the same number simultaneously, enhancing team collaboration.

It integrates with Slack, HubSpot, and Zapier, making it ideal for startups and small teams.

What I like about OpenPhone:

• Easy number sharing and management, including the ability for multiple users to use the same number simultaneously.
• Clean, intuitive interface across devices.

What I dislike about OpenPhone:

• Limited international texting support.
• Occasional voicemail transcription delays.

9. Ooma Office — Best for Mobile-Only Plans

Ooma Office delivers a UCaaS platform focusing on mobile VoIP calling, SMS, and video meetings with up to 25 participants. It includes free toll-free numbers and 500 toll-free minutes with signup. However, Ooma Office plans have a monthly SMS limit, which may restrict businesses with high messaging needs.

The mobile-first approach suits businesses needing flexible, on-the-go communication.

What I like about Ooma Office:

• Mobile-friendly plans with essential features.
• Affordable pricing with included toll-free minutes.

What I dislike about Ooma Office:

• Lacks advanced call monitoring and AI support.
• Interface feels slightly outdated.

10. Grasshopper — Best for Basic Mobile Calling and Texting

Grasshopper offers a simple business phone system focused on calling and SMS. It supports unlimited texting in the US and provides an easy-to-use desktop and mobile interface. Grasshopper also supports unlimited calls within the US, making it a cost-effective solution for small businesses.

Ideal for solopreneurs and small teams needing basic phone features without complexity.

What I like about Grasshopper:

• Simple setup and user-friendly interface.
• Unlimited texting within the US.
• Unlimited calls within the US.

What I dislike about Grasshopper:

• Limited advanced features and integrations.
• No video conferencing or team chat.

11. Google Voice — Best for Simplicity and Affordability

Google Voice offers a straightforward VoIP phone service with unlimited domestic calling and texting within the U.S. and Canada. It provides essential phone features such as voicemail transcription, call forwarding, and call logs, making it a great choice for small businesses and startups seeking a budget-friendly option. Google Voice also stands out as one of the most accessible VoIP tools for startups and small businesses.

What I like about Google Voice:

• Easy to set up and use with a clean interface.
• Affordable pricing with flexible plans.

What I dislike about Google Voice:

• Limited advanced call center features.
• No native video conferencing integration.

12. Aircall — Best for Sales and Customer Support Teams

Aircall specializes in call center features with advanced call routing, power dialers, and queue callbacks. It efficiently manages inbound calls with features like call routing, queues, and a shared inbox, helping teams organize incoming customer calls and improve service efficiency. It integrates with popular CRM and helpdesk platforms, offering a shared inbox for team collaboration and AI-powered conversation analytics.

What I like about Aircall:

• Robust call distribution and queue management.
• Strong CRM integrations for sales and support workflows.

What I dislike about Aircall:

• Higher pricing compared to competitors.
• Limited video conferencing capabilities.

13. Intermedia Unite — Best for Unified Communications

Intermedia Unite combines VoIP telephony with team chat, video conferencing, and file sharing in one platform. It offers unlimited calling in the U.S. and Canada, advanced call management, and integration with Microsoft 365 and Google Workspace.

What I like about Intermedia Unite:

• Comprehensive unified communications features.
• Reliable call quality with 99.999% uptime.

What I dislike about Intermedia Unite:

• Pricing is on the higher side.
• Some users report a learning curve with the interface.

14. Mitel MiCloud Connect — Best for Scalability and Security

Mitel MiCloud Connect provides scalable VoIP solutions with advanced security features, call analytics, and custom integrations. It supports large enterprises with high call volumes and offers mobile and desktop apps for flexible communication. The platform also provides tools to detect, log, and manage missed calls, helping businesses track and respond to missed opportunities.

What I like about Mitel MiCloud Connect:

• Strong security and compliance features.
• Excellent scalability for growing businesses.

What I dislike about Mitel MiCloud Connect:

• Complex setup process for smaller teams.
• Pricing details are not publicly available.

What is VoIP?

VoIP, or Voice over Internet Protocol, is a transformative technology that enables voice communications and multimedia sessions over the internet instead of traditional telephone lines.

This system converts your voice into digital signals that travel through the internet, allowing you to make phone calls using computers, mobile phones, VoIP-enabled desk phones, or other devices.

This flexibility means you can place calls from anywhere with an internet connection, making it ideal for modern businesses with remote or mobile teams.

VoIP services come with a broad range of features that extend far beyond basic calling. These include unlimited calling, voicemail transcription, call recording, video conferencing, virtual faxing, and seamless team chat conversations.

Many residential VoIP providers also offer tailored residential VoIP plans that cater to home users, providing cost-effective alternatives to traditional landlines with added benefits like unlimited texting and monthly texting limits that are often more generous.

Businesses benefit from VoIP telephony by integrating these services with their existing workflows and software, including customer relationship management (CRM) systems and productivity tools, via desktop apps and mobile apps.

The technology supports multiple users simultaneously, enabling teams to collaborate efficiently with features like call summaries, call transcription, and AI support tools that enhance communication quality and operational efficiency.

By leveraging internet connectivity, VoIP software significantly reduces the costs associated with traditional phone services, especially for long-distance and international calls. It also offers enhanced scalability, allowing businesses to easily add or remove lines and users as needed, making it suitable for companies of all sizes from small startups to large enterprises.

Key Features of VoIP Service Providers

When selecting a VoIP phone service, it’s important to consider a variety of features that will support your business needs. Here are some essential features to look for:

• Advanced Call Center Features: These include call routing, call monitoring, call queues, and intelligent auto attendants that help manage high call volumes efficiently. Such features ensure that incoming calls are directed to the right agents promptly, improving customer satisfaction and operational productivity.
• Call Recording and Management: Recording calls is crucial for quality assurance, training, and compliance. Look for providers that offer detailed call logs, voicemail transcription, and phone number management to keep track of all communications seamlessly.
• Business Phone System Integration: Top VoIP providers offer unlimited domestic calling, extensive phone number availability, and integration with popular business tools like Google Workspace and CRM platforms. This integration streamlines workflows and enhances team collaboration.
• Additional Features: Features like caller ID, screen sharing, video conferencing, virtual faxing, and call analytics provide comprehensive communication solutions. Many providers also offer desktop apps and mobile apps to facilitate communication across devices.
• Support for Multiple Users and Devices: VoIP systems that allow multiple users to share phone numbers simultaneously and support calling from various devices—including cell phones, desktop apps, and IP phones—offer greater flexibility for modern work environments.

Advanced Call Center Features

For businesses that prioritize exceptional customer service and efficient support, advanced call center features are a game-changer. Leading VoIP service providers equip their platforms with robust tools such as call recording, call monitoring, and real-time call analytics, empowering organizations to track, evaluate, and continually improve every customer interaction.

With advanced call center features, your VoIP service can automatically route calls to the most qualified agents, reducing wait times and ensuring that customers reach the right department quickly.

Customizable call routing and intelligent auto attendants streamline the process, while call monitoring allows supervisors to listen in and provide coaching in real time.

AI-powered call transcription and analytics, offered by top VoIP service providers like RingCentral, Dialpad, and Nextiva, deliver actionable insights into call quality and agent performance, helping you identify trends and areas for improvement.

Integrating these center features with your existing phone system and business applications, such as CRM software, further enhances productivity and customer engagement.

By leveraging advanced call center features, businesses can optimize their operations, boost customer satisfaction, and maintain a competitive edge in today’s fast-paced market.

Call Recording and Management

Call recording and management are essential components of a modern VoIP phone system, especially for businesses that handle a high volume of incoming calls or require detailed records for quality assurance and compliance.

VoIP providers like Zoom Phone, GoTo Connect, and Vonage offer comprehensive call recording features, allowing you to securely store and review conversations for training, dispute resolution, or regulatory purposes.

Beyond simply recording calls, advanced phone systems provide call transcription, turning spoken conversations into searchable text for easier analysis and reference.

This is particularly valuable for monitoring service quality and ensuring that your team consistently delivers excellent customer experiences.

Call management tools such as customizable call routing, call queues, and auto attendants help organize incoming calls, ensuring that each customer is directed to the appropriate person or department without unnecessary delays.

With features like real-time call analytics, businesses can track call volumes, monitor performance, and identify opportunities for process improvement. VoIP providers such as RingCentral and Nextiva stand out for their robust call management capabilities, offering everything from detailed call logs to automated call distribution.

By utilizing these call recording and management features, businesses can enhance their customer service, reduce operational errors, and ensure compliance with industry standards all while maintaining a seamless and professional communication experience.

International Calling and Rates

For businesses with a global presence, international calling features are essential:

• Affordable International Calling Plans: Many VoIP providers offer competitive rates or unlimited international calling options, helping you save on overseas communication costs.
• International Call Routing and Monitoring: Manage global communications efficiently with features that ensure calls are routed properly and monitored for quality.
• Caller ID and Screen Sharing: Maintain professionalism in international calls with clear identification and collaboration tools.

Conclusion

Choosing the right VoIP provider is essential for enhancing your business communication, improving customer service, and reducing telecommunication costs.

With a variety of top VoIP providers available, each offering a unique set of features from basic calling and unlimited VoIP plans to advanced call center features and seamless integrations you can find a solution tailored to your specific needs.

Whether you prioritize unlimited calling, international calls, AI support tools, or robust mobile and desktop apps, investing in a reliable VoIP phone system will empower your team to collaborate effectively and stay connected with customers worldwide.

Take advantage of free trials and demos to evaluate providers and select the best VoIP service that aligns with your business goals and budget.

Frequently Asked Questions

What is VoIP, and how can it benefit my business?

VoIP stands for Voice over Internet Protocol, a technology that allows you to make phone calls over the internet instead of traditional phone lines. It benefits your business by reducing costs, increasing flexibility, and providing advanced communication features like call recording, video conferencing, and team messaging.

Can I use VoIP with my existing phone equipment?

Yes, many VoIP providers support IP phones and adapters that allow you to use your current hardware. Alternatively, you can opt for software-based solutions like desktop or mobile apps that let you make calls from your computer or smartphone.

How reliable is VoIP compared to traditional phone service?

Modern VoIP systems offer high call quality and reliability, often with uptime guarantees of 99.99%. However, your call quality depends on your internet connection speed and stability, so a strong broadband connection is essential.

Are there any limitations on texting or calling with VoIP?

Some VoIP plans include monthly SMS limits or restrictions on international texting. It’s important to review the details of your chosen provider’s plan to ensure it meets your business’s calling and texting needs.

Can VoIP integrate with other business tools?

Absolutely. Many VoIP platforms integrate with popular tools like Google Workspace, CRM systems, and contact center software, allowing you to streamline workflows and improve customer interactions.

Is VoIP suitable for businesses with high call volumes?

Yes, VoIP systems are designed to handle high call volumes efficiently with routing features, call queues, and advanced call center functionality to ensure your customers receive timely and professional service.

How do I choose the best VoIP provider for my business?

Consider factors such as call quality, available phone features, pricing plans, international calling rates, integration capabilities, and customer support. Reviewing user feedback and testing providers through free trials can also help you make an informed decision.