Best UCaaS Platforms for Windows of 2026

Find and compare the best UCaaS platforms for Windows in 2026

Use the comparison tool below to compare the top UCaaS platforms for Windows on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    RingCentral RingEX Reviews
    Top Pick

    RingCentral RingEX

    RingCentral

    $19.99/month/user
    3,320 Ratings
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    RingCentral RingEX, a powerful cloud-based telephone system, helps optimize your business communication. RingCentral RingEX provides enterprise-grade communication tools, including voice, fax and text, as well as BYOD (bring your own device) capability. This allows you to work wherever and however you choose. RingCentral RingEX's core features include auto-recording and conferencing as well as unlimited long-distance calling and local calls. RingCentral RingEX can be customized to suit your needs by configuring call management features such as call forwarding, message alerts and missed-call notifications.
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    PBXware Reviews
    Top Pick

    Bicom Systems

    39 Ratings
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    Our solution is specifically designed for service providers offering managed unified communications under their own branding. With a multi-tenant architecture, each customer benefits from a distinct configuration within a shared environment, ensuring a streamlined infrastructure that maintains healthy margins as the client roster expands. For those providers whose clients operate comprehensive contact centers, our omnichannel contact center solution includes dedicated workspaces for agents and supervisors, skill-based routing, a dialer, and access to over 40 detailed reports. All subscription plans encompass the complete suite of unified communications features, such as voice, video, chat, meetings, and advanced AI functionalities including Voice Agents, Live Transcription, and support for multiple CRMs with automatic activity logging across various channels and devices. The gloCOM Next application serves as the client-facing interface, which can be fully customized to match the provider’s branding. We take care of development, updates, and support, allowing providers to concentrate on scaling their operations.
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    Yeastar P-Series PBX System Reviews
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    Yeastar's P-Series Phone System is designed with an emphasis on "Easy-first Unified Communications," providing businesses of various scales with an all-encompassing solution for voice calls, video conferencing, messaging, and seamless integrations right from the start.
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    ULTATEL Reviews

    ULTATEL

    ULTATEL

    $14.95 per user per month
    112 Ratings
    Ultatel is a recognized industry leader in business communications. With the power of cloud VoIP technology, we help businesses to be more productive and connect with their customers wherever they are. Our plans come fully customizable and scalable with unlimited Calling, SMS, Fax, Chat, Video & 40+ Advanced Features. The best part is, there are no hidden fees or charges! Thanks to our Transparent Pricing model, what you see is what you pay (unlike some other vendors). A Gartner Category Leader and G2 High Performer, Ultatel aims to provide a unified communications platform that adapts to your companies' needs. Powered by our FlexScale technology, you can scale up or down seamlessly and instantly with no downtime or penalty. Furthermore, our Award-Winning Customer Support department is there for you 24/7/365. With a 94% first-contact resolution, you'll have the peace of mind of being connected beyond limits. Contact us today and schedule your discovery call or demo.
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    Ooma Office Reviews
    Top Pick

    Ooma

    $19.95/month per user
    104 Ratings
    Ooma Office, a business VoIP solution that is affordable, easy to use and award-winning for all sizes of businesses, is simple to adopt. Ooma offers advanced voice and collaboration features that can be adapted to any number of employees, no matter how many. Ooma Office offers unlimited lines for your business, as well as an easy-to-use setup that requires no contracts or long-term commitments. Ooma makes it easy to scale up your office phone system for small businesses as their business grows. Customers can choose from a variety of hardware options: traditional analog phones, IP phones or virtual service through Mobile and Desktop apps. Ooma provides a complete suite of business phone features that will ensure a seamless communications experience. Advanced features like a virtual receptionist and ring groups, call parking, multi-site access, and call parking make small businesses seem big.
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    T-Max Phone Systems Reviews
    Hosted Business Phone System PBX can make any company sound and function as a Fortune 500 company. All your calls can be answered by an auto-attendant. This allows callers to dial by name, choose extensions, and select departments. You can have your calls transferred to your mobile phone automatically if you're on the move. T-Max is completely geo-redundant. Our servers are hosted in top-notch data centers across the United States. Multiple carriers are used to ensure maximum connectivity to the PSTN. T-Max uses high-quality desk phones made by Yealink and Polycom. There are many models to choose from to best suit your environment. We offer a variety of reception consoles, agents phones, wireless phones, conference room phones, and wireless phones. The best Hosted Business Phone System for the price is available today. 1-888-245-34883 Departments Extensions Digital Receptionist Voice Prompts Voice Mail Fax Service And Much More
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    Zoom Reviews
    Top Pick

    Zoom

    Zoom Communications

    $14.99 per user per month
    573 Ratings
    Zoom Meetings & Chat allows for enterprise video conferencing that includes real-time messaging and content sharing. Video conferencing and messaging made easy across all devices. Facilitate adoption with meeting capabilities that make it simple to join, start, and collaborate on any device. Zoom Meetings syncs to your calendar system and provides enterprise-grade video conferencing on both mobile and desktop. All-hands meetings, internal and external communications, trainings, and all-hands meetings can all be done through one platform. With support for up to 1000 participants and 49 videos per screen, HD video and audio can be added to your meetings. Multi-participants can share their screens simultaneously, and co-annotate to make it more interactive. End-to-end encryption of all meetings, role-based security, password protection and waiting rooms. You can also place attendees on hold. You can record your meetings locally or to cloud with searchable transcripts. Zoom offers HIPAA-compliant healthcare plans.
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    Microsoft Teams Reviews
    Top Pick

    Microsoft Teams

    Microsoft

    $12.50 per user per month
    187 Ratings
    Today's intricate business challenges require collaborative efforts from dedicated teams. To assist you and your team in mastering the art of effective collaboration, we have developed a comprehensive online guide. When you establish a collaborative environment for discussion and decision-making, the potential for success expands exponentially. Microsoft Teams consolidates all necessary resources into a unified workspace, allowing seamless communication through chat, virtual meetings, file sharing, and integration with various business applications. Enhance your team's synchronization with features like group chat, online meetings, calling, and web conferencing. Engage in collaborative document editing using integrated Microsoft 365 (formerly Office 365) tools such as Word, Excel, PowerPoint, and SharePoint. You can also incorporate your preferred Microsoft applications and third-party services to facilitate continuous business progress. Teams offers robust end-to-end security, comprehensive administrative control, and ensures compliance—all backed by Microsoft 365’s capabilities. Designed to accommodate various types of groups, Teams provides a free version with no commitments, as well as an option to access it within a superior suite of productivity tools. Embrace the power of teamwork and unlock new opportunities for innovation and growth.
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    Dialpad Connect Reviews
    Top Pick
    Dialpad Connect is a comprehensive AI-driven communication platform that unites voice, video, and messaging channels to improve both internal teamwork and customer engagement. The platform provides smart features such as live call transcription, voicemail transcription, AI-powered call recaps, and recommended next steps, allowing users to be fully present in conversations without missing key details. It offers deep integration with leading business applications including Salesforce, Microsoft Teams, Zendesk, and Google Workspace, creating a seamless experience across tools. Built on a resilient dual-cloud architecture, Dialpad ensures enterprise-level performance with 24/7 support, disaster recovery, and a 100% uptime service level agreement. Privacy and security are foundational, with certifications like GDPR, HIPAA, ISO, and SOC 2 safeguarding user data. Dialpad Connect supports a broad range of business sizes, from small teams to large enterprises, enabling better communication and faster decision-making. Its AI capabilities also include live coaching for agents during calls and detailed analytics to improve customer satisfaction. This platform empowers businesses to transform every conversation into a valuable opportunity.
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    Phone.com Reviews

    Phone.com

    Phone.com

    $12.74/month
    3 Ratings
    Voice. Text. Video. Fax. Conferencing. Collaboration. Phone.com is the modern, flexible, work-from anywhere solution for today's mobile entrepreneurs and growing businesses. Phone.com offers advanced business phone features that your growing business requires to serve customers professionally and effectively. Advanced call handling options can enhance your company's image. Mobility features allow you to stay connected with customers, colleagues, and partners from anywhere, anytime.
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    Genesys Cloud CX Reviews

    Genesys Cloud CX

    Genesys

    $75 per user per month
    3 Ratings
    Genesys Cloud CX is a versatile, cloud-based solution for contact centers that aims to provide outstanding customer experiences through multiple communication channels. With a focus on scalability and adaptability, it merges voice, chat, email, social media, and messaging into a single, streamlined interface. The platform utilizes sophisticated AI and analytics technologies to offer immediate insights, automate routine processes, and tailor interactions, thereby enhancing customer engagement efficiency. Additionally, its strong workforce management features enable businesses to fine-tune staffing and performance while upholding high service quality. Ideal for organizations of various sizes, Genesys Cloud CX facilitates smooth implementation and flexibility, proving to be an excellent choice for those seeking to improve their customer service capabilities. Furthermore, it ensures that businesses can respond to evolving customer needs and technological advancements seamlessly.
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    Vonage Business Reviews
    Vonage Business serves as a prominent cloud communication solution tailored for enterprises across diverse sectors and sizes. It addresses the comprehensive communication requirements of companies aiming for success by delivering over 40 essential features, along with capabilities for mobility, conferencing, and seamless integration with leading cloud applications. With a user base exceeding 500,000 businesses, Vonage provides a range of flexible plans and packages to accommodate varying organizational needs. This adaptability makes it a favored choice among companies seeking to enhance their communication strategies effectively.
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    UNIVERGE BLUE Reviews

    UNIVERGE BLUE

    NEC Corporation

    $19.40/User/Month
    1 Rating
    UNIVERGE Blue® Cloud Services: One seamless and intuitive unified cloud communications and collaboration experience, aligning people, communications, and technology to the company's key initiatives. Key Components: - CONNECT (UCaaS): User-friendly and fully integrated Cloud Unified Communications platform with robust productivity and collaboration features. - ENGAGE (CCaaS): Highly reliable, secure, full-featured, and customizable Contact Center solution that delivers enhanced customer experience. - EXTEND API: API integration platform that connects Contact Center and Unified Communications functions into everyday business applications. - MEET: A powerful meeting solution that provides HD audio & video, interactive screen sharing, collaboration tools, and A.I. capabilities. - SHARE: Provides secure Sharing of the latest document versions without compromising accessibility or functionality. - CONNECT BRIDGE: Extends customers’ NEC phone system investment with cloud-based voice via desktop and mobile apps. - CONNECT+MS TEAMS: The costume version of the CONNECT works side-by-side with Microsoft Teams to enhance business communications.
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    8x8 Reviews

    8x8

    8x8

    $19.99 per month
    1 Rating
    Introducing an all-in-one platform that integrates cloud telephony, video conferencing, team messaging, contact center capabilities, and comprehensive analytics. Streamline your organization's expenses by equipping each user with the precise tools necessary for their roles. Foster collaboration and break down departmental barriers through seamless analytics and interaction between contact center representatives and subject matter experts. Manage everything effortlessly with a unified administration interface for setting up the system, alongside user and data oversight. Enjoy the convenience of a single license that encompasses calling, directories, video meetings, messaging, and contact center functionalities. Enhance global connectivity for your business with top-tier reliability and performance in a cloud environment. Effortlessly schedule, initiate, or engage in high-definition audio and video meetings from any device or location without hassle. Access your contacts with ease, whether they are part of your organization or external partners. Ultimately, create superior customer experiences by leveraging an intelligent, collaborative, and trustworthy solution that adapts to your needs. With this platform, you can ensure that your team remains connected and productive, no matter where they are located.
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    Yeastar Cloud PBX Reviews
    Yeastar CloudPBX is a future-ready phone system that is ideal for small businesses. Linkus UC Clients will give you easy access to remote working and enhanced call efficiency on any device. Hosted deployment is free of upfront hardware costs and virtually eliminates overheads for management. Yeastar's hosted solution is easy to use and has full compatibility features. Any migration or upgrade will be seamless. * Please note that Yeastar P-Series PBX System is the new Yeastar Cloud PBX that comes with versatile call center features and unified communications features.
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    Zello Reviews

    Zello

    Zello

    $6.80 per user per month
    1 Rating
    Push-to-Talk Mobile App. Chat in real-time with individuals and groups around the globe. Receive messages from all channels and contacts in real-time. Concentrate on one contact or group. All other messages go to History Do not allow your message to be interrupted. Messages go to History. Messages go into History and can be re-recorded up until 7 days later. Zello saves your most recent and recently missed messages and alerts. To retrieve and replay any information, you can use the History button on every screen. Send alerts to individuals and groups. You can attach text messages to your alerts. The alerts are sent to the recipients via sonic or vibrating notifications until they respond or clear it. Display the most recent messages and alerts received from channels and contacts. Tap on a recent message to bring up the Talk screen.
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    Sherweb Reviews

    Sherweb

    Sherweb

    $7.25 per month
    1 Rating
    Experience a dependable and secure solution tailored for your online business needs. Everything necessary to kickstart your venture is at your fingertips. Enjoy a user-friendly control panel designed for effortless website management. Our team of seasoned support technicians is readily available to assist you. You'll also gain access to an extensive library filled with pre-configured web applications perfect for your site. By partnering with Sherweb, your trusted cloud ally, you’ll be amazed at the possibilities that lie ahead. Our comprehensive cloud management platform, designed to adapt to changing business demands, enables IT professionals to utilize flexible solutions backed by exceptional service from reliable experts. With a foundation rooted in cloud technology, IT professionals can rest assured knowing our continually growing selection of innovative products has been carefully curated and vetted, featuring unique proprietary software you won’t find elsewhere. We provide a robust and mature platform that allows you to balance time efficiency with cost savings seamlessly. Furthermore, you can automate and connect nearly any process by harnessing our state-of-the-art APIs, ensuring your operations are both efficient and effective. With Sherweb, the future of your online business is bright and full of potential.
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    Momentum Telecom Reviews
    We unleash human momentum with collaboration, connectivity, and communications technology. All business is human—and when custom technology empowers human ingenuity, people and companies thrive. High performing teams do more, achieve more, and win more. Companies become agile, efficient, and resilient. Our team takes pride in making technology easy and cost effective. We love what we do—and it shows in the way we partner with you, from our first conversation to ongoing post-install support. Working with over 30,000 customer locations in 65+ countries, we deliver straightforward, secure, and scalable global managed services and advanced collaboration and communications solutions. Together let’s build your human momentum.
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    Yeastar Linkus UC Softphone Reviews
    Yeastar Linkus Unified Communications app, which is compatible with both cloud PBX and on-premises PBX, gives you easy access to enhanced call efficiency and enterprise-grade telephony features across any device at your disposal. It also allows you remote working agility with softphone and instant messaging, file sharing, CRM integration, and CRM integration.
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    2600Hz Reviews

    2600Hz

    2600Hz

    $3.50/month
    Introducing an unparalleled UCaaS solution crafted to drive the success of Service Providers. Stand out in the competitive landscape by utilizing a fully customizable white label offering that enhances your brand identity. KAZOO, the comprehensive UC platform from 2600Hz, provides the adaptability essential for delivering an exceptional communication experience. Equip your clients with a communication solution that fosters their achievements. With over 300 APIs at your disposal, you can tailor a solution that empowers your customers to enhance their business operations. Customizing your offering under your own brand allows you to strengthen your market presence. The low initial investment facilitates a swift launch while ensuring you remain price competitive. With robust reliability and geo-redundancy features, your clients will experience uninterrupted service. The mobile-ready functionality allows your customers to conduct business anytime and anywhere. KAZOO operates as a multi-tenant platform, giving you the opportunity to diversify your sales strategies. You can opt to onboard resellers, sell directly, or implement an agent model to maximize your reach. This flexibility can significantly enhance your operational capabilities and service offerings.
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    Fusion Connect Reviews

    Fusion Connect

    Fusion Connect

    $19.95/month/user
    One call can connect your entire business. Fusion Connect is your Managed Services Provider, providing business internet solutions for your SDWAN, business VoIP (UCaaS), internet accessibility, secure networking, and other requirements. Fusion Connect's Business VoIP includes Internet-based faxing and softphones. Compatible with Windows and Mac as well as other devices.
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    FluentStream Reviews

    FluentStream

    FluentStream

    $20.00/month/user
    Are you looking for a business phone system that is affordable and reliable? It would be great to spend more time with your customers than waiting on hold with your provider every little change. FluentStream is your home! FluentStream is committed to being the best business communication system. No-contract plans are available for all accounts. We provide 24/7 client support. We will be there for you throughout the onboarding process. We understand how difficult phone setup can be. We're happy to take over the heavy lifting so that you don't have too. It's all part and parcel of being the easiest business to work with.
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    Nextiva Reviews

    Nextiva

    Nextiva

    $19.95 per month
    Nextiva combines AI, automation, and omnichannel communication into a single platform that transforms customer experience. It empowers businesses to meet customers on their preferred channels—voice, SMS, email, chat, social, or video—while providing teams with a unified interface to manage interactions. The platform’s customer journey orchestration engine delivers real-time actionable insights, allowing companies to anticipate needs and automate key workflows. With AI-driven automation, organizations can increase self-service containment, reduce costs per interaction, and improve resolution rates. Nextiva is also designed to enhance workforce engagement with tools that prevent agent fatigue, streamline collaboration, and boost retention. Its open architecture and REST API foundation ensure scalability, security, and compliance, even in hybrid or regulated environments. Recognized by TrustRadius, G2, and Gartner, Nextiva has become a top choice for organizations seeking both innovation and reliability. By consolidating technology and reducing IT overhead, businesses maximize ROI while unlocking better customer outcomes.
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    IPFone Reviews
    IPFone is a telecommunications provider specializing in cloud communications, internet solutions, and business phone systems tailored for small to medium-sized enterprises. Their extensive offerings encompass services such as UCaaS, VoIP, SD-WAN, contact center solutions, fiber internet, on-site installation, comprehensive training, exceptional customer support, and unlimited international calling. With a commitment to enhancing communication efficiency, IPFone ensures that businesses can operate seamlessly and remain connected.
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    BCM One Reviews
    BCM One delivers a wide range of managed technology solutions that assist companies in simplifying their networks, making communication, collaboration, and connectivity both straightforward and budget-friendly. The inherent complexity of business networks can become even more challenging when there are multiple locations, various vendors, differing work methods, and changing technological requirements, leading to potential chaos in infrastructure management. In the absence of adequate transparency, oversight, and specialized knowledge, organizations often find themselves dependent on outdated systems, creating unsustainable networks, and incurring unnecessary expenses for services that do not align with their needs. BCM One is dedicated to tailoring your technology solutions to fit your current networking requirements while ensuring you have the capacity to scale as your business expands. While your network might be complicated, it can still be manageable with the right approach, and BCM One is here to guide you through the process. By optimizing your network, BCM One ensures that it effectively supports your collaboration and communication needs both now and as your company continues to develop. Ultimately, their expertise can transform your network challenges into streamlined solutions.
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