Best Business Phone Systems for Microsoft Outlook

Find and compare the best Business Phone Systems for Microsoft Outlook in 2026

Use the comparison tool below to compare the top Business Phone Systems for Microsoft Outlook 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
    Dialpad Connect Reviews
    Top Pick

    Dialpad Connect

    Dialpad

    $15 user/month
    4,168 Ratings
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    Dialpad offers a modern business phone solution that eliminates the need for conventional desk phones by utilizing a cloud-driven platform compatible with any device. This allows teams to enjoy high-quality voice calls, send SMS and MMS messages, and take advantage of sophisticated functionalities such as call routing, voicemail transcription, and AI-driven insights, all integrated into a single cohesive system.
  • 3
    RingCentral RingEX Reviews
    Top Pick

    RingCentral RingEX

    RingCentral

    $19.99/month/user
    3,265 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.
  • 4
    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.
  • 5
    JustCall Reviews

    JustCall

    JustCall.io

    $30 per user per month
    1 Rating
    Remote teams can use the cloud phone system. JustCall provides a phone system that works from any device, anytime, anywhere for sales and support teams. It takes only seconds to obtain phone numbers in 70 different countries and make or receive calls. In minutes, you can set up your own cloud phone system. JustCall is the fastest and easiest way to manage your phone service. Learn how JustCall is used by companies to handle phone calls. Increase sales and conversions by enhancing agents' capabilities. Get rid of the hassles associated with manual dialing and data logging. You can increase sales call volume and productivity by up to 300% You can deliver a seamless customer experience with IVR and Smart Call Routing, as well as Live Call Monitoring. With SMS Bots and a variety of features, you can offer your clients responsive, 24-hour support. Automated integrations can be used across many business tools and applications. CRM, Helpdesk, and other software automation tools can be used to create smooth workflows for support and sales teams.
  • 6
    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.
  • 7
    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.
  • 8
    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.
  • 9
    Streams.AI by PanTerra Networks Reviews

    Streams.AI by PanTerra Networks

    PanTerra Networks

    $24.95 per user/month
    Streams.AI by PanTerra Networks is an all-in-one Unified Communications and Contact Center solution that brings together voice, video conferencing, team messaging, SMS, fax, and secure file sharing into a single cloud platform. Designed for businesses of all sizes, Streams.AI eliminates the complexity of juggling multiple providers by delivering everything in one seamless, AI-powered interface. With business VoIP and PBX features, companies gain HD-quality calls, auto-attendant, voicemail-to-email, and advanced routing. Video meetings and webinars support up to 1,000 participants with screen sharing and live streaming. Team collaboration tools include persistent chat, advanced team rooms, presence detection, and SmartBox file sync and share with enterprise-grade security and version control. Contact centers benefit from skills-based routing, queue management, live monitoring, and AI-driven agent assist, improving both efficiency and customer satisfaction. Streams.AI integrates with tools such as Microsoft Teams, Office 365, Google Workspace, Salesforce, and ServiceTitan, while APIs enable customization for industry-specific workflows. Built with HIPAA and SOC 2 compliance, end-to-end encryption, and redundant cloud architecture, Streams.AI ensures 99.999% uptime and secure operations. Deployment is fast with white-glove onboarding, and every plan includes 24/7 US-based expert support with live response in under 30 seconds. Trusted for over 20 years, PanTerra delivers a future-ready communications platform that scales from SMBs to global enterprises, helping organizations reduce costs, improve collaboration, and enhance customer engagement.
  • 10
    CoreInteract by Altigen Reviews

    CoreInteract by Altigen

    Altigen Communications, Inc.

    $15/mo/user
    Engage customers throughout the entire journey via voice and digital channels (chats, email SMS, email and social media). Integrate business communications with business system, giving valuable information to employees at every customer touchpoint. CoreInteract's drag-and-drop design makes it easy to manage workgroups and routing rules that meet your business needs. You can set the priority and order of which workgroups will receive customer inquiries. CoreInteract lets you manage your interactions in Teams natively without the need for a separate desktop software or application. Your team members can easily distinguish between customer calls and internal calls by clearly marking workgroup calls. CoreInteract can retrieve a Dynamics 365 customer record for each answered call. This gives you more control over your customer information and allows you to call a customer directly within Dynamics 365.
  • 11
    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.
  • 12
    MercuryTel Reviews

    MercuryTel

    Mercury Network

    $10.40 per month
    MercuryTel offers a distinctive blend of telecommunication services, cutting-edge technology, and professional expertise, all supported by our exceptional PhonePro assistance, making it the ideal business phone service you've been searching for. Fully adaptable to accommodate both small and large businesses, MercuryTel comes equipped with a wealth of features, is highly customizable, and remains budget-friendly. Your package includes local and long-distance calls, as well as Cisco®, Mitel®, and Yealink® digital phones, along with unlimited support, all for a fixed monthly fee. Traditionally, investing in your own phone system was the only route to access advanced functionalities, but these systems are often prohibitively expensive! As technology progresses, maintaining these systems can lead to expensive repairs and necessary upgrades, with additional costs imposed by dealers for every change or adjustment. However, with MercuryTel, you’ll find that there’s no phone system to purchase, and all features are provided without any hidden fees! This means your business will not only present a more professional image but also enhance communication efficiency and productivity, all while avoiding the hefty costs associated with traditional phone systems. Embrace the future of business communication with MercuryTel and experience the difference in your operations.
  • 13
    BroadConnect Reviews

    BroadConnect

    BroadConnect

    $180 per month
    Our skilled team will tailor your BroadConnect VoIP service, equipping your office with the necessary hardware and support to elevate your phone system to its fullest potential. BroadConnect Canada is committed to serving the entire business sector, boasting a national presence and dedicated lines that cater to all your IP telephony requirements through our commercial phone systems. By integrating unified communications with collaboration tools like video conferencing and file-sharing, we foster a dynamic work atmosphere. We guarantee exceptional call quality, adaptability, and system scalability, all made possible through our robust and global IP network featuring a wide range of advanced phone functionalities. Our team will oversee every facet of your VoIP business phone service, ensuring your office phone system remains updated with the latest technological advancements. Furthermore, we offer a cutting-edge unified communications service that provides multiple access points to authorized resources, ensuring seamless connectivity for your business operations. With our focus on innovation and customer satisfaction, we aim to enhance your overall communication experience.
  • 14
    Broadvoice Reviews
    Broadvoice enhances communication for small and medium-sized enterprises (SMEs) by integrating robust cloud PBX, unified communications, and collaboration tools with a virtual call center into a single, award-winning Unified Communications as a Service (UCaaS) platform that offers enterprise-level functionalities at competitive prices. This platform operates on Broadvoice’s secure and redundant network and hosting infrastructure, allowing SMEs to connect securely with their customers from any location and through any device. Additionally, Broadvoice has earned recognition in the Deloitte Technology Fast 500 and has been listed among the Inc. 500 Fastest Growing Private Companies in the United States, underscoring its rapid growth and strong market presence. This combination of innovative technology and affordability positions Broadvoice as a leader in the communications industry for SMEs.
  • 15
    Allworx Verge Reviews
    With a Verge IP phone positioned on your desk and the Allworx Reach™ app installed on your preferred mobile devices, you have the flexibility to communicate seamlessly whether you're in the office or out and about. You’ll stay connected without interruption, thanks to the real-time synchronization of contacts across your mobile devices (via Reach), Outlook (through Interact Professional), and the Verge IP phone itself. The ability to instantly transfer ongoing calls between your mobile device and Verge IP phone (via Reach) enhances your communication experience. Additionally, you can remotely operate your Verge IP phone using your mobile device through Reach, ensuring convenience and efficiency. We are committed to allowing your business phone to function according to your personal preferences; the Programmable Function Buttons enable you to tailor your phone to suit your individual needs. You can speed dial your most important contacts or colleagues listed in the corporate directory. For those colleagues who are also part of the Allworx system, you will have visibility into their presence settings and real-time call statuses, which indicate if they are on an active call, ringing, or set to do not disturb. This system is particularly beneficial for call center agents, as it allows them to efficiently receive incoming calls directed to their designated ACD queues, thereby streamlining the communication process and improving overall productivity. In this way, the combination of these tools fosters a more dynamic and responsive work environment.
  • 16
    8x8 Work Reviews
    8x8 Work delivers a comprehensive communications suite that unifies calling, messaging, meetings, and AI-powered productivity features into one platform. Teams can benefit from enterprise-grade PBX capabilities, advanced call handling, SMS, and global coverage powered by machine learning to maintain crystal-clear connections. The platform goes beyond simple calling by offering video conferencing with built-in collaboration tools like polls, whiteboards, and automated meeting transcripts. Messaging, team chat, and file sharing keep workflows moving asynchronously, ensuring alignment even across distributed workforces. Its AI-powered capabilities capture insights from calls, chats, and meetings, making information accessible without adding manual overhead. Additionally, the platform offers seamless integration with leading applications such as Microsoft Teams, Salesforce, and Zendesk to unify work across multiple tools. Security and compliance are central, with certifications including HIPAA, PCI DSS, SOC 2, and GDPR adherence. For organizations seeking a scalable, reliable, and secure solution, 8x8 empowers them to modernize communication while driving collaboration and customer engagement.
  • 17
    BluIP Reviews
    We offer an advanced and highly adaptable Cloud Unified Communications (UC) service that utilizes top-tier, reliable network hardware and software from industry leaders like Cisco, BroadSoft, IBM, and ACME Packet, all configured as a geo-redundant solution. Our call client is device agnostic and boasts seamless integrations with popular productivity platforms, including G-Suite, Office 365, Salesforce, and Zendesk, enhancing user experience. In addition to a variety of calling functions, our Dialer automatically showcases pertinent caller interactions and data, facilitating more personalized and effective communication. As a Tier 1 provider, integrator, and developer of Cloud Communications and customized applications, BluIP prides itself on a robust development culture and exceptional integration capabilities. We are dedicated to achieving optimal outcomes for our customers by providing tailored solutions along with white-glove implementation and support, catering to both standard and complex needs. Our commitment to excellence ensures that every client receives unparalleled service tailored to their specific requirements.
  • 18
    Cloudya Reviews

    Cloudya

    NFON

    €8.90 per month
    Introducing Cloudya: the pinnacle of cloud-based telephone systems. This innovative solution frees users from the limitations of conventional communication methods. With a single number and inbox, employees can effortlessly connect and enhance their productivity from any location and device. Say goodbye to the hassle of frequent updates, as Cloudya operates completely maintenance-free. Additionally, there are no hidden costs tied to system upgrades. Offering a comprehensive range of PBX features, from voicemail services to call queues, Cloudya ensures you are equipped with everything you need. By utilizing virtual conference rooms, you can significantly reduce travel expenses, and faxes are conveniently accessible through your browser or email. Make calls directly from your computer or laptop, marking the end of reliance on a stationary desk phone. Transition to a VoIP system that grants you the freedom to work from anywhere while retaining access to your office number, even on your mobile device. Cloudya truly revolutionizes the way businesses communicate.
  • 19
    Horizon Hosted Telephony Reviews
    The top-selling telephone systems currently dominating the UK market are the Horizon Hosted Cloud system and the Panasonic NS-700 Office system, both recognized for their exceptional performance. The Horizon Hosted Telephony operates as a Cloud-based solution, utilizing remote Data Centres for switching equipment and employing VoIP technology for calls made over the Internet. Each of these systems includes complimentary Polycom VVX 411 handsets over a three-year contract, provided you opt for one of our specialized VoIP services for Internet connectivity. This can include a Converged voice and data circuit that allocates a portion of bandwidth specifically for voice use, ensuring consistently high-quality audio, even when data usage is high. Typically, businesses can expect significant reductions in both initial investments and ongoing expenses while gaining access to cutting-edge features. Overall, these systems not only enhance communication efficiency but also contribute to improved cost management for organizations.
  • 20
    Horizon Hosted Phone System Reviews
    The Horizon hosted phone system is a comprehensive solution for business communication, offering a wide array of both fixed and mobile telephony functions through a user-friendly web interface. As the leading cloud telephony option available today, Horizon boasts an extensive feature set designed to cater to the needs of businesses of all sizes and structures. Cavendish has been a pioneer in providing the Horizon system, accumulating significant expertise in its setup, installation, training, and support for various phone system configurations that contemporary businesses demand. With the capability to implement auto attendant features, businesses can streamline call routing by presenting callers with menu options. Additionally, users can access their phone number and customize settings from any enabled device within the organization, enhancing flexibility and efficiency in communication. This adaptability makes Horizon an invaluable asset for modern companies aiming to optimize their telephony solutions.
  • 21
    VoiceShot Reviews
    Manage your business from any location with a cloud-based virtual phone system. Transform your business phone number into a comprehensive virtual system beginning at just $12 per month. Enjoy features such as using your business number on personal devices, an automated attendant, various extensions, personalized greetings, call forwarding, voicemail-to-email services, and much more, all without the need for any physical equipment. This innovative solution allows for flexibility and convenience, ensuring you never miss a call regardless of where you are.
  • 22
    Wildix Reviews
    Wildix UC&Cs transform your traditional PBX into a modern business asset that can be accessed through a browser on both your PC and smartphone. No longer are these advanced UC&C tools exclusive to large corporations; even small and mid-sized businesses can now take advantage of them. The latest iterations of business communication systems, or PBXs, offer the potential to cut expenses by an average of 50%, with some even achieving reductions of up to 75%, while also enhancing productivity and simplifying various business and technical processes. However, a poor decision in selecting a strategic infrastructure like a business PBX can lead to significant losses in both customers and revenue. Therefore, it is essential that UC&C solutions are designed not only to lower costs but also to boost performance in quantifiable ways. Furthermore, such systems should be inherently secure, eliminating the need for the acquisition of additional security applications. Investing in the right communication technology is crucial for sustained growth and success in today's competitive landscape.
  • 23
    bvoip Reviews
    We provide MSPs with adaptable, dependable, and innovative cloud-based communication solutions that empower them to expand their operations with precision and focus. BVoIP was developed in response to the genuine challenges and frustrations experienced by actual MSPs. Prior to assisting MSPs, we spent 17 years as one ourselves, gaining valuable insights into the industry's flawed communication strategies that relied on a haphazard mix of unreliable products and services. This often resulted in high operational costs and excessive demands on customer support. Recognizing the need for straightforward and scalable communication solutions, we pioneered a new approach that utilizes cloud technology to streamline business communication, eliminate back-office inefficiencies, and ensure that phrases like "can you hear me now" become a thing of the past. With our comprehensive and standardized communications platform, we are now equipped to provide MSPs with the essential solutions they have been seeking to thrive in a competitive landscape. Ultimately, our goal is to transform how MSPs manage communication, allowing them to focus on their core business objectives.
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