Best Cloud PBX Providers for Microsoft 365

Find and compare the best Cloud PBX providers for Microsoft 365 in 2025

Use the comparison tool below to compare the top Cloud PBX providers 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

    Free for up to 10 users
    1,089 Ratings
    See Provider
    Learn More
    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
    VoIPco Telecom Reviews

    VoIPco Telecom

    VoIPco Telecom

    $12.99 per month
    5 Ratings
    VoIPco offers a wide variety of services and a rich selection of features to enhance your business's telecom experience. VoIPco allows businesses to upgrade their business phone system and achieve a Return on Investment in 6-12 months. You can access your telecom services from any device on your IT network, including desktop phones, mobile phones, and computers. Unified Communications (UC), is the seamless integration voice, video, chat and contact center/IVR apps. This technology can dramatically improve your communication and business productivity. Our software and services allow you to access your account, and seamlessly integrate our high-value cloud communications services.
  • 3
    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!
  • 4
    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.
  • 5
    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.
  • 6
    Sherweb Reviews

    Sherweb

    Sherweb

    $7.25 per month
    1 Rating
    Your online business will be protected and reliable. Everything you need to get your online business started. You can manage your website from a user-friendly control panel. Expert support technicians. Access to a large library of pre-configured web applications for your website. You'll be amazed at what you can accomplish with Sherweb as your trusted cloud partner. IT professionals can leverage our cloud management platform that is driven by changing business needs. It enables them to use agile solutions, paired with 5-star service from trusted experts they can trust. We were born in the cloud. IT professionals can rest assured that our ever-growing portfolio of innovative products, which includes proprietary software, has been carefully selected and pre-vetted. We offer a mature platform that is powerful and doesn't force you to choose between saving time or saving money. Our cutting-edge APIs allow you to automate and integrate almost anything.
  • 7
    Yay Reviews

    Yay

    Yay.com

    $6.99 per user per month
    Built for both large organisations and growing businesses, the Yay.com business phone system offers a versatile and dynamic communication solution that both reduces costs and increases business flexibility. With softphone apps that work with the devices you already use, remote and hybrid working is seamless. Collaborate and connect from any location around the world and work the way you want to. Yay provides a platform for distributed workforces in the office, at home or on the go. Benefit from a host of business features including CRM integrations, IVR call menus, call queueing and more. Get started with a free trial and see how we can help your business thrive today.
  • 8
    Dialpad Ai Voice Reviews

    Dialpad Ai Voice

    Dialpad

    $15.00 per user per month
    A business phone system that works as it should. Your business phone system should not be a barrier to work. You can now empower remote workers with one place for business conversations regardless of where they are located. Your business phone system can now go wherever you go with mobile apps that feel like you're working from HQ. With native Ai insights, you can understand why and what was said to your business by looking at the caller information. A web portal allows you to add users, swap numbers, or create ring groups. It also allows you to make changes in real time. You can keep your numbers tied to your business, even if you switch voice providers, local, toll-free or international. Native integrations for G Suite and Zendesk give context to your conversations. Do you need to send a quick message to a prospect? You can choose from MMS, SMS, or group chat. Voice Intelligence allows you to focus on your conversation and not take notes.
  • 9
    8x8 Express Reviews

    8x8 Express

    8x8

    $12 per user per month
    For only $12/month, get a complete small business phone system. From the moment a customer contacts your company, success begins. Impress customers with 8x8 Express, an easy-to-use business phone system that takes only minutes to set up. Express costs only $12 per month and includes phone, video, texting, chat, and video meetings. You get the same communication tools as large corporations. Port your existing number or create a new business number. Engage customers and employees with high-definition (HD), audio & video conference and team messaging. Unlimited calling to the U.S. & Canada Call handling: call forwarding, music on hold and call handling HD voice and video calls. SMS and texting for business. One-on-one or group chat. Express is available immediately after you activate your account. You can add users or modify settings whenever you want. It's great for small businesses that have only one location and home-based businesses.
  • 10
    Avaya Cloud Office Reviews

    Avaya Cloud Office

    Avaya

    $19.99/user/month
    Avaya Cloud Office is a cloud-based unified communications solution that integrates enterprise-grade voice, video, instant messaging, meetings, conferencing, and collaboration tools into a single platform. It enables businesses to connect office, remote, and mobile workers seamlessly, ensuring consistent communication across various devices and locations. With features like business phone numbers, inbound caller ID, unlimited calls within the U.S. and Canada, business SMS, voicemail transcription, team messaging, and document sharing, Avaya Cloud Office enhances productivity and collaboration. The platform also offers robust security measures, including encryption to safeguard daily business communications across endpoints such as desk phones, conference phones, and mobile and desktop apps. Additionally, Avaya Cloud Office supports integration with over 100 business applications, including Salesforce, Office 365, and G Suite, allowing businesses to streamline workflows and improve efficiency.
  • 11
    NXTPulse Reviews

    NXTPulse

    NXTPulse

    $13.99 per month
    NXTPulse offers the latest innovation to help you take your business to the next level. NXTPulse features include Microsoft Teams integrations. Having a rich feature set will help you take your business to the next level. You can work from anywhere and at any time. It works with most popular platforms such as Office 365 and the most popular CRMs. NXTPulse gives you all the tools to connect with your customers. It also provides conference bridges for all attendees. NXTPulse will manage your hosted voice solution so that you don't have. It will be kept up-to-date with the most recent features and releases. NXTPulse uses strong SSL security between your company and the NXTPulse Cloud. This ensures that your communication is secure. NXTPulse has many features that can increase productivity, customer service and efficiency. It can also reduce your telecommunications costs by half.
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    intuPBX Reviews

    intuPBX

    intuPBX

    $57.05 per month
    Multi-tenancy allows clients to add unlimited tenants or extensions to a single instance. Each client will have their own application interface. A multi-authorization system allows you to create and manage admin, users and resellers. You can quickly perform all call functions using the internationally recognized REST API. You can run your services on one or more servers. You can add or remove as many servers as you need. There is no service interruption if any server is powered off. Integrated with The Hub, customer portal and other leading CRM portals. Integration is faster and more reliable. Our support team is available to assist you with technical issues during normal business hours. This is in accordance with our SLA. Our full service is tailored to your business needs. View all inbound and outbound calls, unanswered calls, and other information. Reach out to all colleagues across the teams to increase efficiency and collaboration.
  • 13
    Voxloud Reviews

    Voxloud

    Voxloud

    $31 per month
    Voxloud, the first cloud-based telephone system in Italy, integrates AI to increase productivity and to save you time. Bring your existing landline number with you to Voxloud. Your customers will be familiar with it. You won't pay a cent. You can activate your new landline and phone system within 59 seconds. This will allow you to communicate professionally right away. Voxloud’s cloud-based phone system allows you to ditch your old phone system and work smarter. All your communications can be handled by one telephone system. Designed specifically for small and medium sized businesses. Interactive voice response systems (IVRs) with one or more levels can help you connect incoming calls faster to the correct person. Our apps and VoIP phones allow you to work anywhere, at any time, on your laptop, smartphone, tablet or tablet. With just a few mouse clicks, you can add users to your phone system in any location. Add context to phone conversations using the most popular CRM integrations available.
  • 14
    Telavox Reviews
    Collaborate with colleagues. Engage customers. Any channel. Any device. Anywhere. All your communications needs are met with one platform: telephony, PBX messaging, meetings and contact center. Engage with customers and colleagues. The right tools will empower your workforce. One app for customer engagement and collaboration with colleagues. Agents can work remotely and still provide excellent customer service. One app allows you to call, message and meet with your team. You can collaborate in real time, so you can avoid distractions. Smart features can be used to notify colleagues when you are available and when you aren't. Stay connected, stay productive. Fixed and mobile telephony and PBX. All your voice communication needs are covered in one place. Any device, any platform. No matter where a call is made, whether it's over cellular, PSTN, or the internet; the experience and features will be the same.
  • 15
    AT&T Office@Hand Reviews

    AT&T Office@Hand

    AT&T

    $25.40 per month
    Flexible cloud-based solution that allows voice, text, fax, and audio conferencing. This allows workers to be more productive at work or on the road. Employees can work from anywhere, including smartphones, tablets, softphones, desktop IP phones, or desktops. This will allow them to be more productive and increase their ability to communicate with customers. To ensure that your customers can reach you, use one number. You can leverage instant local numbers, toll free access, internetfax, and time-of-day service. One solution provides video meetings and online collaboration. Cloud-based services are free from maintenance, software setup, support fees, and CapEx. A cloud-based service allows you to spend more time helping customers and less managing communications. You can get up to three company numbers for your business: a local primary number, a toll free number, and a number for faxes.
  • 16
    BroadConnect Reviews

    BroadConnect

    BroadConnect

    $180 per month
    Our experts will tailor your BroadConnect VoIP service with hardware and support to ensure your office phone system is at its best. BroadConnect Canada is a leader in the service of the business community. We have a national presence and dedicated lines to meet all your IP telephony communication requirements with our commercial telephone systems for businesses. Unified communications combined with collaboration applications such as file-sharing or video conferencing create a dynamic work environment. Our extensive range of advanced phone features, delivered over our reliable, global IP network, will ensure that you have crystal-clear calls, flexibility, and system scaling. We will manage your VoIP business phone service and keep your office phone system current with the latest technology upgrades. We offer a state of the art unified communications service that allows multiple points of access to all permitted resources.
  • 17
    Gradwell Wave Reviews

    Gradwell Wave

    Gradwell

    $9.03 per month
    Meet Wave, our intuitive, affordable cloud phone system. Wave is a UK-based cloud phone system that allows you and your colleagues to work from anywhere. Our all-in-one control panel makes it easy to manage and configure. Easy onboarding and quick configuration make it easy to set up your account. You can access your account from any device, anywhere in this world. Wave is packed with tons of useful features that will make your business run more smoothly. Wave has these key features that allow businesses to manage their telephony remotely. Wave will help you solve problems faster, communicate more effectively, and enjoy collaboration like never before. Wave helps you reduce costs, save time and seamlessly integrate remote and hybrid work into your business. We want our customers' success. Minute bundles for landline and mobile-compatible phones. Access to all call management and administration features.
  • 18
    Microsoft Teams Phone Reviews
    Teams Phone allows you to stay connected via voice and video calling from your computer, tablet or mobile device. You can make and receive voice and video phone calls in Teams. Stay connected and do more from anywhere. An all-in-one app allows you to connect with people, chat, and collaborate. You can use integrated partner software solutions and innovative built-in AI-powered calling experiences. Flexible financing options are available and you can choose from a variety of devices to suit your business needs. The Teams admin center allows you to easily add, monitor and manage voice and/or video calling. Get the most out of your business voice and video calling. An all-in-one app allows you to connect with colleagues, chat, and make calls. With Teams, you can make and receive audio and video phone calls over the internet. Keep in touch, and do more no matter where you may be.
  • 19
    BluIP Reviews
    We offer a cutting-edge, customizable Cloud UC (unified communication) service. It is built with reliable, carrier grade network hardware and software from the best-of-breed companies like BroadSoft, IBM, Cisco, and ACME Packet. All deployed as a geo redundant solution. Our client is device-agnostic and integrates seamlessly with the most popular productivity tools such as G-Suite and Office 365. Dialer presents relevant caller data and interactions, allowing for more personal and satisfying calls. BluIP is a Tier1 provider and integrator. We also develop customized applications, Cloud Communications, Contact Center, and Cloud Communications. We have a strong development culture and integration abilities, which ensures that we deliver the desired outcomes with white-glove support and implementation to customers with complex or standard requirements.
  • 20
    HighComm Reviews

    HighComm

    HighComm

    $19.95 per month
    Our VoIP Business Phone System will give you a professional boost. You will enjoy a rich feature-rich platform that includes Multi-Level Auto Attendants and Business SMS. Your business will be able to enjoy a better communication system at a third the cost of a traditional, less reliable phone system by implementing HighComm Phone System. This is done by using your existing internet connection. As part of your plan, we will handle the installation and maintenance. These will vary depending on your business needs. Our network allows your business to scale up and adapt as needed. Our network grows with your business as it grows. Our cloud-based VoIP Business Phone System offers mobile and desktop apps, as well as a user-friendly, self managed web Portal. The Mobile-App allows you to make and take calls from anywhere you are, even if you're not at your desk.
  • 21
    Horizon Hosted Telephony Reviews
    The best-selling telephone systems in the UK are the Horizon Hosted cloud system and the Panasonic NS-700 office system. Horizon Hosted Telephony, a Cloud-based telephone system, means that the switching equipment is hosted in remote Data Centres and calls are made via VoIP over the Internet. Each system comes with free Polycom VVX 411 handsets for a 3-year deal. This is provided you use one our specialist VoIP services for Internet connectivity such as a Converged Voice & Data Circuit, which allows for a small amount to be reserved for voice-use only. This ensures high quality speech at all times, regardless of how much data is being downloaded. It will save you money on both your initial outlay and ongoing costs, as well as provide State-of the-Art facilities.
  • 22
    Horizon Hosted Phone System Reviews
    Horizon hosted phone system provides a complete business communications solution that offers a wide range of mobile and fixed telephony capabilities through an easy-to use web portal. Horizon is the best cloud telephony system on the market today. It has the most comprehensive list to support any business, regardless of its size or structure. Horizon is the best cloud phone system available today. It has the most comprehensive list to support all businesses, regardless of their size. Cavendish was the first to offer Horizon. We have extensive experience in installing, training and supporting any type of phone system. Callers can be provided with menu options to route calls using the auto attendant. Your number and preferences can be used on any phone that is enabled in your company.
  • 23
    Wildix Reviews
    Wildix UC&Cs transform your PBX into a new business tool that can be accessed via the browser on your smartphone or PC. UC&C is not only for large companies. Small to medium-sized businesses can now benefit from these strategic tools. The new generation business communications systems (PBXs), which can reduce costs by up to 50%, sometimes as high as 75 percent, increase productivity, and simplify technical and business complexity, can be used. You will lose customers and money if you make a mistake in choosing a business PBX. UC&C must be projected in a way that will allow you to reduce costs and increase performance in a measurable manner. It must be secure and not require you to purchase additional applications.
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    Infinite Connect Reviews

    Infinite Connect

    Infinite Connect

    $22.50 per month
    All your business operations can be managed remotely from one platform. You can improve productivity and simplify communications with reliable voice and video, fax, messaging, conferencing, and fax in the cloud. Flexible, unified cloud communications and contact centre services for small and medium-sized businesses. You can customize your settings and capabilities to make your conference calls work as you wish. You can have up to 100 people on your conference call. Our VoIP phone system or hosted PBX replaces your traditional small business phone system. It uses your broadband connection to make communication easier. You can easily share your desktop and broadcast HD video to any size meeting, large or small, as well as teleconferencing. No downloads required. You can send and receive SMS and MMS text messages online. You can also manage internet faxing right from your dashboard. Infinite offers the most current VoIP phones that are fully configured and ready to use. You just need to turn on your phone and get started talking.
  • 25
    Xpedeus Reviews
    We exceed your expectations with unmatched quality, innovative features and Xtreme Customer Support. This will ensure that you have confidence in your business communications. We can go into detail about the financial benefits of our solutions, but it's much easier to simply say that we have the most affordable pricing. We have the best pricing. We have no hidden fees, no egregious taxes, simple bills, and local billing support. It is said that "if it's not part of a solution, it's part the problem." We believe this to be true. All of our solutions packages offer everything. Cloud 9 platform offers everything, no matter if you are looking for simple phones or the most advanced system, We ensure a seamless and exceptional customer experience, from installation to everyday use. It's easier than ever to switch your phone provider with our onsite implementation team, local technicians and 24/7 emergency support staff located in Florida.
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