Best Telephony Software for Microsoft 365

Find and compare the best Telephony software for Microsoft 365 in 2026

Use the comparison tool below to compare the top Telephony software for Microsoft 365 on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    3CX Reviews
    Top Pick

    3CX

    3CX

    Free for up to 10 users
    1,234 Ratings
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    3CX is an open-standards, software-based IP PBX that provides complete Unified Communications right out of the box. 3CX is suitable for all industries and sizes. It can provide everything you need, from mobility and status to advanced call center features and more, at a fraction the cost. 3CX is ideal for remote companies and includes mobile apps, video conference, and website live chat. The installation, management, and maintenance of the PBX are so simple that you can easily manage it yourself, on your own appliance, server, or on a cloud-based platform. You can also choose to have it hosted on 3CX for an easy solution.
  • 2
    Yeastar P-Series PBX System Reviews
    Top Pick
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    The Yeastar P-Series Phone System serves as an all-in-one "PBX-Plus-More" solution, integrating voice, video, and collaboration functionalities within a single, dynamic platform. Designed to cater to the advanced requirements of contemporary enterprises, it provides exceptional versatility with deployment options that include Cloud, On-premises, or Software configurations.
  • 3
    Thirdlane Reviews
    Top Pick
    Thirdlane is built for service providers and MSPs who need a multi-tenant, white-label UCaaS platform with deep API control. It delivers voice, video, chat, and contact center features while giving providers the ability to integrate billing, CRM, and IT workflows with ease. Why providers choose Thirdlane: - True multi-tenant PBX architecture built for scaling to thousands of tenants. - White-label flexibility - deliver a branded experience to your customers. - Thirdlane Connect apps unify messaging, calling, and meetings across all devices. - Built-in Contact Center for sales and support teams. - CRM screen pops and Click-to-Call to boost productivity. - Extensive APIs for automation and third-party integrations. Business outcomes: - Launch branded UCaaS without the heavy R&D cost. - Increase recurring revenue with scalable multi-tenant architecture. - Offer enterprise-grade features at a competitive price point. Thirdlane empowers providers to own their UCaaS offerings end-to-end, increasing margins and ensuring long-term customer loyalty.
  • 4
    Zoom Phone Reviews
    Top Pick

    Zoom Phone

    Zoom Communications

    $14.99 per user per month
    22 Ratings
    The cloud phone solution is natively designed for the Zoom platform. Modern user interface and enterprise-class features to simplify voice communications. Zoom administrator portal allows you to manage and provision users, as well as monitor call quality and usage. Globally distributed Zoom cloud platform provides secure HD Voice with enterprise-class reliability. You can easily make and receive calls, share content and participate in video meetings. You can also send chat messages using Zoom desktop or mobile apps. You can easily elevate phone calls to Zoom Meetings without having to ask participants to hang up or dial in to a separate conference bridge. Native apps for Windows, MacOS and Android are easy to use and maximize voice and video quality. There is an ever-growing number of countries that provide local phone numbers. Customers who want to simplify global telephony carrier management can port numbers to Zoom.
  • 5
    GoTo Connect Reviews
    Top Pick
    GoTo Connect gives your business a professional boost. GoTo Connect is a cloud-based, feature-rich, business phone system that helps thousands of companies in all industries and sizes to improve their communications and achieve greater success. GoTo Connect Hosted VoIP provides a wide range of features that can replace legacy landline phones such as unlimited voicemail boxes and auto attendants.
  • 6
    Talkdesk Reviews

    Talkdesk

    Talkdesk

    $85 per month
    2 Ratings
    Craft a seamless and efficient customer journey that spans multiple channels without any hassle. Discover our AI-driven, automation-first solutions designed for everyday use. Annually, we introduce numerous new features, solutions, and integrations to ensure our platform remains at the forefront of customer experience technology and emerging trends. Our focus on automation enhances vital customer service processes through the power of Talkdesk AI. But don’t just take our word for it; explore testimonials in various formats showing how our clients successfully satisfy their own customers. Transform your customer service operations with CX Cloud, a comprehensive suite of enterprise-grade, integrated applications designed for customer self-service, omnichannel interaction, workforce engagement, employee collaboration, and analytics – all within a single cloud-native environment. Impress your agents with a user-friendly interface and enhance your contact center's flexibility by effortlessly adjusting every component of CX Cloud, from IVR routing protocols to the agent interface. With these tools, you can ensure a consistently exceptional experience for both your team and your customers.
  • 7
    VoIPstudio Reviews

    VoIPstudio

    VoIPstudio

    $6/month/user
    1 Rating
    VoIPstudio is a professional-grade VoIP phone service available at consumer-level pricing. It offers the quality and security guarantees that business customers demand while delivering innovative features and functionality, flexibility, scalability, and a rich user experience, all backed by a dedicated, omnichannel customer support service. VoIPstudio has been optimized to be multisite, multi-country, and with distributed hosting in the cloud, providing the responsiveness and reliability that enterprise customers need. As a result, it is also highly scalable and suitable for single users and companies with hundreds of extensions. Our customers include media organizations, call centers, software providers, weather organizations, and more. Our solution provides flexible capacity, allowing customers to add or remove users as required. It means they do not pay for redundant capacity, while it has been future-proofed to handle spikes in traffic volumes. We offer more than 40 advanced services and features in all our plans, including number portability, call recording, conference calling, internet failover protection, interactive voice responses, call parking, video calls, video conferencing, and much more!
  • 8
    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.
  • 9
    Spoke Phone Reviews

    Spoke Phone

    Spoke Network

    $15 per month
    Spoke is the leading platform for high-value, complex, and regulated conversations. Spoke guides employees to say and collect the right things so deals move forward and customers get better experiences. Spoke integrates with everything, personalizing conversations, driving productivity, and ensuring compliance. Trusted for over 250,000 conversations every day with features such as calls, SMS, WhatsApp, Team Inbox, programmable routing, Personalized IVRs, caller insights, forms, analytics, +more. The Problem Today, only a small portion of your employees are equipped or have the skills to have highly-contextual, complex, and personalized customer conversations. The Solution Spoke empowers every employee with the information and skills to hold high-quality compliant conversations that drive positive customer and business outcomes. To achieve this, Spoke Phone combines the best parts of traditional business phone systems, high-cost contact centers, and leading business process automation, and has made it all easy to use on a mobile phone or desktop. By integrating a customer’s information, processes, and automation into calls, SMS, and WhatsApp conversations occurring on mobile phones, desktops, and other devices.
  • 10
    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.
  • 11
    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.
  • 12
    Teloz Reviews

    Teloz

    Teloz

    $3.99 per month
    Teloz cloud contact center enables seamless collaboration among employees, customers, and various integrations within a single system, significantly enhancing your organization’s productivity and efficiency. By centralizing all essential communications, you can fortify your business operations. Experience one of the most robust cloud phone systems available worldwide. With a collaborative contact center, you can deliver smooth interactions for both consumers and operators alike. Explore new possibilities with cutting-edge data while incorporating the applications that your teams rely on. With calling capabilities that grow alongside your business, you can meet the expectations of your customers. Elevate the effectiveness of your voice solutions through intelligent call routing, workforce performance analytics, and other features that enrich customer interactions and satisfaction within the Teloz cloud contact center. We recognize the profound challenges your business is currently navigating, and we are here to help you succeed. This holistic approach not only streamlines your operations but also fosters a more cohesive working environment.
  • 13
    UniVoIP Reviews
    UniVoIP's innovative software and solutions drive productivity, efficiency, and performance while embracing and surpassing today's most challenging business communication trends. OfficeConnect™ is the principal product. It delivers 500+ PBX, Omnichannel Contact Center, and Unified Communication features via private or public networking options in a multiinstance infrastructure. UniVoIP also offers UniBridge which is a powerful, high-definition audio, video, and web conferencing solution, screen sharing sharing and meeting logs. It offers summaries, timestamps and summaries and no software download.
  • 14
    Telavox Reviews
    Work together with your team and connect with clients seamlessly. Utilize any communication method across various devices, no matter your location. With a unified platform for telephony, PBX, messaging, meetings, and contact center functionalities, you can easily engage with both customers and colleagues. Equip your employees with the necessary tools to enhance their productivity. This single application facilitates customer interactions and team collaboration effortlessly. Agents can work from anywhere while still delivering exceptional service to clients. Streamline your tasks with one comprehensive app for calling, messaging, and virtual meetings, allowing for real-time collaboration without interruptions. Implement intelligent features to communicate your availability effectively to your peers. Maintain strong connections and boost productivity with ease. Enjoy a complete suite of voice communication solutions, including fixed and mobile telephony alongside PBX, all centralized in one location. Regardless of the device or platform used, the calling experience remains consistent whether it’s via cellular, PSTN, or the internet, ensuring smooth and reliable communication. The ability to connect seamlessly enhances both individual and team performance, creating a more efficient working environment.
  • 15
    NetFortris Comm-unity Reviews

    NetFortris Comm-unity

    NetFortris

    $19.99/month/user
    Unify Your Communications! All your communications are in one place! You can chat, text, fax and conference as well as call, chat, text, conference, collaborate, and more. NetFortris Community unifies all communication -- voice, video and messaging, collaboration, conferencing and meetings, as well as call center -- in one platform that is easy to use. We also put it in the Cloud so your team can collaborate on any device, from anywhere, whether they are at work, home, or on the move. NetFortris Community is built to meet your business communication needs today and tomorrow. Comm-unity is easy to scale as your business grows. It always works when you need and gives your team the most recent functionality. Having all communication channels in one place will streamline teamwork and increase productivity. Comm-unity is available to your team from any internet-enabled device. You can work at home or on the move. Comm-unity grows with your business, whether you add hundreds or one user.
  • 16
    Sewan Reviews
    In today's fast-paced environment, the ability for professionals to effectively communicate with colleagues and clients is more crucial than ever. Our telephony solutions are flexible enough to cater to diverse requirements, whether you are in a traditional office setting or working remotely. From fixed and mobile telephony to trunking and contact centers, our business telephony offerings are increasingly versatile. Sewan's solutions are customizable to meet a wide range of demands. The advanced voice technologies integrated into our products ensure exceptional call clarity and unwavering reliability. We understand that business needs can evolve swiftly, allowing for quick adjustments such as adding or removing lines and importing contacts in mere moments. No matter the type of business telephony you opt for, our solutions aim to be as economical as possible, eliminating unnecessary features. Additionally, our offerings are tailored for the global market, ensuring that each package can be modified according to specific requirements. This comprehensive approach helps businesses of all sizes maintain efficient communication channels.
  • 17
    Vocalcom Reviews
    AI-Powered Cloud Contact Center Solution. It powers innovative, personality-based routing. It also manages multichannel customer interactions in one conversation. Vocalcom is the world of digital engagement and artificial Intelligence (AI), where live agents are seamlessly integrated into the customer interaction flow. All customer interactions can be managed in one conversation. The new generation of cloud contact centre platform that integrates with existing systems and supports ALL channels. Vocalcom's intuitive user interface increases productivity and allows companies to weave all of their customer interactions across all channels into continuous conversation threads. This allows them to reduce customer effort while strengthening customer relationships with each interaction. Amazingly simple, adaptable, and powered by AI Keep the conversation going. All customer interactions, including chat, email, text message, phone, and social media, are available in one place.
  • 18
    Intermedia Unite Reviews
    Engage and cooperate on your own terms with the comprehensive solution offered by Intermedia Unite. Whether you're in the office, on the road, at home, or enjoying a coffee, Intermedia Unite's extensive communication and collaboration features accompany you, allowing for effortless productivity and connection with both colleagues and clients. Safely share and collaborate on documents from virtually any location, benefiting from complete file management with options for real-time backup and recovery. Ensure that customers are promptly directed to the appropriate team member without delay, thanks to automated greetings and quick call routing aligned with your operational hours. This guarantees that clients can efficiently reach your staff. Additionally, incoming calls can be routed to designated teams responsible for handling them, while also providing visibility into the current availability status of your coworkers, which is conveyed through immediate notifications indicating whether they are Available or Unavailable. With Intermedia Unite, staying connected has never been more efficient.
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