Best Business VoIP Providers

Compare the Top Business VoIP Providers as of November 2025

What are Business VoIP Providers?

Business VoIP providers are companies that offer Voice over Internet Protocol (VoIP) phone systems for businesses. These systems allow businesses to make and receive phone calls over the Internet, reducing monthly phone bills and providing additional features such as voicemail, automated attendants, and call forwarding. VoIP providers typically offer a variety of plans, making it easy for businesses to find a cost-effective solution that meets their needs. Compare and read user reviews of the best Business VoIP providers currently available using the table below. This list is updated regularly.

  • 1
    EnableX Communications APIs
    EnableX makes integrating real-time communications into applications and workflows a lot easier. Designed and developed for Service Providers, Systems Integrators, and Developers, it provides a robust, scalable and secure communications platform without the complexity of building and maintaining the network infrastructure. By simply leveraging on EnableX comprehensive sets of programmable APIs and SDKs, developers can rapidly customize and embed all or part of the communication functions – voice, video, SMS and chat – right into existing applications, workflows and systems. Together with the Virtual Number services and advanced features such as AI and NLP, businesses can reach customers globally with an outstanding communication experience.
  • 2
    Viirtue

    Viirtue

    Viirtue

    With video collaboration software, mobile capabilities, and a best-in-class streamlined quote-to-cash solution, Viirtue transforms white label VoIP & UCaaS so you can compete with the big players and easily scale your business with modern tools and excellent support. Rebrand our full suite of white label communication tools as your own, becoming a one-stop-shop for technology solutions without bringing on additional team members. Schedule a demo and see how our industry-leading platform, quote-to-cash software, and other proprietary automation can make running a unified communications business easy. Fair pricing algorithm that only charges for seats that are used and not multiple times for users with multiple devices. Our proprietary, all-in-one quote-to-cash software and reseller dashboard provides a turnkey tool for sales, quoting, tax automation, marketing, and online learning that supports your branded platform and gives you the edge on capturing and winning more business.
    Starting Price: $5/month per user
  • 3
    RingCaptcha

    RingCaptcha

    RingCaptcha

    Validate leads and block bad actors with our reliable and simple SMS & Voice 2FA product, so you can engage your worldwide customers. RingCaptcha’s two-factor authentication (2FA) provides an initial screen to block fake leads while our backend code goes one step further, identifying and blocking suspicious requests and adding them to a blocklist to keep your business safe going forward. RingCaptcha can let you validate your leads so that your sales team knows which are real and which are fake. Review leads to identify your competition and prevent them from gaining inside knowledge about your business or driving up your CAC with fake leads. Capture user data to screen out repeat trial users that have no interest in actually purchasing your product and drive up costs. Get rid of freeloaders, get real leads! One click is often all it takes to initiate a sales process, use 2FA by SMS/Voice to ensure your leads are real - not careless.
    Starting Price: $9.00/month
  • 4
    Bandwidth

    Bandwidth

    Bandwidth.com

    You want the best quality voice, messaging, and more. To get them, you need the only API provider with its own nationwide network. You can eliminate the middleman, save on costs, give yourself more control, and build the application that your customers are craving. You’re not new to this, but you need a partner to help you reach the scale you know you’re capable of. Whether you’re bringing your own carrier or building your own solution from the ground up, Bandwidth has the tools you need to reach your maximum potential. Bandwidth is a communications platform with limitless flexibility. You need integrations, enterprise-class APIs, and tools to manage your communications stack intelligently. We are open where you need it the most, with optionality and control. Our global network is directly connected to where it matters most. Giving unmatched reliability. Bringing your customers closer. Scaling wherever your business takes you.
  • 5
    Vonage Communications APIs (Nexmo)
    Creating Customer Journeys Through Conversations. Engaging experiences that move with your customers. Loved by developers. Built for business. Vonage Communications APIs (formerly Nexmo) helps growing startups and agile enterprises enhance their customer experience and realize new business outcomes at scale. With our easy-to-use APIs, global platform, and expert support, you can abstract the complexity of communications and innovate faster. Reimagine voice interactions to redefine your customer experiences. Make each message count as an opportunity for your customers and your business. Enhance security and privacy—and create seamless login experiences. Build modern, high-quality voice applications in the cloud. Programmatically send and receive SMS in practically every country. Get real-time intelligence on any phone number in the world. Make and receive calls from the cloud with your existing VoIP infrastructure.
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