Compare the Top UCaaS Platforms as of October 2026

What are UCaaS Platforms?

Unified Communications as a Service (UCaaS) platforms deliver cloud-based communication and collaboration tools that enable organizations to connect employees, customers, and partners through a single integrated solution. These platforms combine voice calling, video conferencing, team messaging, SMS, file sharing, presence, voicemail, and collaboration capabilities while eliminating the need for on-premises communications infrastructure. UCaaS solutions often include enterprise telephony, mobile and desktop applications, call routing, meeting management, contact synchronization, and administrative controls to support hybrid and remote workforces. Many platforms integrate with CRM systems, contact center software, productivity suites, identity providers, and business applications to streamline communications and workflows. By consolidating business communications into a scalable cloud service, UCaaS platforms help organizations improve collaboration, increase productivity, reduce IT complexity, and lower communication costs. Compare and read user reviews of the best UCaaS platforms currently available using the table below. This list is updated regularly.

  • 1
    Intermedia Unite
    Intermedia Unite® brings business communications, collaboration, and customer engagement into one easy-to-use platform—keeping teams connected, productive, and responsive from anywhere. It replaces fragmented tools by combining business phone service, video conferencing, team chat, and file sharing into one seamless experience, so employees can collaborate without switching apps. Unite delivers enterprise-grade calling with 100+ features, integrated customer engagement, and enhanced Microsoft Teams experiences. With mobile and desktop apps, users can call, meet, message, and engage customers from anywhere while maintaining a consistent business identity. AI-powered transcription, summaries, and insights help teams capture details and follow up efficiently. Backed by 99.999% uptime and J.D. Power-certified support, Unite ensures reliable performance—resulting in simpler communications, more productive teams, and better customer engagement.
    Starting Price: $22.99/user
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  • 2
    PBXware

    PBXware

    Bicom Systems

    Our platform is built for service providers delivering unified communications as a managed service under their own brand. Multi-tenancy means each client gets an isolated configuration on a shared installation, which keeps infrastructure lean and margins healthy as the client base grows. For providers with clients running full contact center operations, our omnichannel CC offers agent and supervisor workspaces, skill-based routing, dialer, and 40 plus reports. The full UC stack is included across all plans: voice, video, chat, meetings, and v8 AI features covering Voice Agents, Live Transcription, and multi-CRM support with automatic activity logging across channels and devices. gloCOM Next is the client-facing app, fully brandable. We handle development, updates, and support, so providers focus on growing their business.
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  • 3
    Yeastar P-Series PBX System
    Focusing on delivering "Easy-first Unified Communications", Yeastar P-Series Phone System offers companies of all sizes with a complete package for calls, video, messaging, and integrations, out of the box.
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  • 4
    MightyCall

    MightyCall

    MightyCall

    MightyCall is a flexible & scalable cloud-based call center solution designed specifically
for small & mid-sized businesses. Set up - Enjoy the simple setup process with our intuitive flowchart. Communicate - Manage the flow of both incoming and
outbound calls and increase your team’s
productivity. Collaborate - Track performance and route calls to your team members based on their roles and knowledge. Reach out - Reach more targeted contacts with the auto dialer and improve engagement rates. Supervise - Train and supervise agents in real-time
and obtain precise performance data. Experience our top-rated customer support and free live onboarding sessions designed to maximize your system's potential in the shortest amount of time.
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    Starting Price: $20 per month per user
  • 5
    Ooma Office
    Ooma Office is an award-winning, easy to adopt and affordable business VoIP solution for any size business. Whether you have 2, 20, or 200 employees, Ooma provides advanced voice and collaboration features that are flexible and scalable. Ooma Office combines the ability to have unlimited lines for your business and an easy do-it-yourself setup with no contracts or long-term commitments. This makes it easy for a small business to scale its office phone system with Ooma as its business grows. Customers have their choice of hardware – conventional analog phones, IP phones, virtual service through Mobile and Desktop apps, or any combination of the three. Ooma offers a full suite of business phone features designed to deliver a flawless communications experience. Advanced features such as a virtual receptionist, ring groups, call parking and multi-site access combine to make small businesses sound big.
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    Starting Price: $19.95/month per user
  • 6
    GoTo Connect
    GoTo Connect is the all-in-one cloud communications platform for businesses of any size, combining voice, video, messaging, and advanced features on a single, easy-to-manage system. Connect from any device—calls, meetings, and chats stay unified wherever you work. Simple deployment, intuitive management, and robust integrations let teams get started fast and scale effortlessly. AI-driven tools like AI Receptionist greet callers, route conversations, and automate tasks—no third-party apps needed. Benefit from 99.999% uptime, award-winning support, and built-in contact center features to grow your business and create seamless customer experiences. GoTo Connect: reliable communications, powered by modern automation and built for business success.
  • 7
    Yeastar Cloud PBX
    Yeastar Cloud PBX is a fully-featured future-ready phone system ideally suited for SMBs. With Linkus UC Clients, you will gain easy access to enhanced call efficiency and remote working agility across any device at your choice. With 100% hosted deployment, there is no upfront hardware cost and the in-house management overheads are reduced to almost nothing. Together with easy to use and full compatibility features, any migration or upgrade to Yeastar’s hosted solution will be as easy as a breeze. * 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.
  • 8
    CallTower

    CallTower

    CallTower

    Since its inception in 2002, CallTower has evolved into a global cloud-based, enterprise-class Unified Communications, Contact Center and Collaboration solutions provider for growing organizations worldwide. CallTower provides, integrates and supports industry-leading solutions, including Operator Connect for Microsoft® Teams, Teams Direct Routing, GCC High Teams Direct Routing, Office 365, Cisco® Webex Calling / UCM, Cisco® CCPP, Zoom (BYOC), Zoom Phone, CT Cloud UCaaS and four contact center options, including Five9 for business customers.
  • 9
    Momentum Telecom
    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. More at gomomentum.com
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