List of the Top Business Phone Systems for Microsoft Teams in 2026

Zoom Phone is an AI-powered business communications platform that provides cloud-based Voice over Internet Protocol (VoIP) calling, messaging, and phone system management for organizations. The software replaces or supplements traditional business telephone infrastructure with internet-based calling accessible through desktop applications, mobile devices, and compatible desk phones. Its unified communications environment connects business calling with Zoom Meetings, Zoom Chat, SMS messaging, and online fax capabilities. Call management features include automated receptionists, interactive voice response menus, call forwarding, call transfers, shared line groups, call queues, and configurable routing policies. Administrators can assign phone numbers, configure business hours, manage devices, establish user permissions, and monitor communication activity through a centralized management portal. Zoom Phone provides voicemail transcription, call recording, searchable call histories, and reporting tools for reviewing communication performance. Its built-in AI capabilities generate post-call summaries, identify discussion highlights, extract action items, and prioritize important voicemail messages. ZoomMate provides contextual assistance during conversations and helps users prepare for calls, retrieve relevant information, and automate follow-up activities. Zoom Virtual Agent Receptionist offers optional AI-powered call answering that can respond to customer questions, schedule appointments, communicate in multiple languages, and transfer callers with conversation context. The platform also supports outbound calling workflows through Zoom Auto Dialer and integrates with Zoom Revenue Accelerator for conversation intelligence and sales coaching. Zoom Phone provides integrations with Salesforce, Microsoft, Google, and other enterprise systems, along with developer APIs, call quality dashboards, security controls, and international calling options.

3CX is a versatile, software-driven IP PBX built on open standards that delivers comprehensive Unified Communications straight out of the box. It caters to businesses of all sizes and across various sectors, offering a full suite of features that range from mobility and presence indicators to sophisticated call center functionalities, all at a significantly reduced cost. This platform is particularly well-suited for remote work environments, featuring mobile applications, video conferencing capabilities, and live chat integration for websites. Installation, management, and maintenance of the PBX are straightforward, allowing users to easily handle it themselves on their own hardware, a dedicated server, or via a cloud environment. Alternatively, users can opt for 3CX's hosting services to simplify their setup even further. With its user-friendly design and extensive feature set, 3CX empowers companies to enhance their communication strategies effectively.

Engage and collaborate on your own terms with the all-encompassing solution provided by Intermedia Unite. Whether you're working from the office, traveling, relaxing at home, or sipping coffee, the expansive communication and collaboration tools from Intermedia Unite ensure that you can maintain productivity and stay connected with both colleagues and clients effortlessly. You can securely share and work on documents from almost any location, enjoying complete file management with features like real-time backup and recovery. Automated greetings and rapid call routing that align with your operational hours guarantee that customers are swiftly directed to the right team member, ensuring efficient access to your staff. Incoming calls can be directed to specific teams designated for handling them, while also keeping you informed about your coworkers' availability statuses through instant notifications that indicate whether they are Available or Unavailable. With Intermedia Unite, maintaining connections while enhancing productivity has never been easier or more effective, making it an essential tool for any modern workplace.

The Yeastar P-Series Phone System offers an all-in-one solution for business communication, integrating voice, video, and collaboration features into one powerful platform. Designed specifically for today's businesses, it consolidates disparate communication tools into a cohesive "PBX-Plus-More" environment, enhancing efficiency and connectivity.

Unlock the potential of effortless communication with ULTATEL, the renowned business phone solution that takes your enterprise to new heights. Our fully adaptable and expandable unified communications platform allows you to seamlessly blend voice, SMS, chat, video, and an array of more than 40 advanced features to enhance productivity like never before. Enjoy complete clarity with ULTATEL’s transparent pricing structure, which eliminates hidden fees and sets a new benchmark in the industry. As a recognized leader in the Gartner Category and a top performer on G2, ULTATEL equips your team with state-of-the-art technology, ensuring they remain connected to customers anytime and anywhere. Should you need help, our Award-Winning Customer Support team boasts an impressive 94% first-contact resolution rate, with dedicated professionals available around the clock, every day of the year. With ULTATEL, your business will thrive, staying adaptable, responsive, and perpetually connected without limits.

Net2phone Unite is a reliable cloud-based business phone solution that your entire organization can depend on, boasting 99.98% uptime as guaranteed by our service level agreement. With over 40 built-in features, it offers comprehensive tools for communication. Enjoy round-the-clock support from our dedicated in-house team. Seamlessly manage incoming calls using auto attendants, ring groups, and smart routing, and make adjustments within minutes directly from your web browser. Your business phone number remains accessible across desk phones, laptops, and mobile devices. Unite also integrates video conferencing, SMS, team messaging, and fax functionality into one convenient application, while offering connectivity with platforms like Salesforce, HubSpot, Zoho, Microsoft Teams, and Slack. It has been recognized for having the Easiest Setup on G2.

Aircall is an innovative telecommunications solution aimed at replacing outdated phone systems and unreliable VoIP connections with a unified cloud platform for voice calls, messaging, and team collaboration. The system includes features such as International Numbers, Business Hours routing, and Voicemail Drop, along with a Shared Inbox that provides teams with comprehensive customer insights during every interaction. Powered by a global cloud voice network, Aircall ensures enterprise-level connectivity and exceptional audio quality, making it suitable for teams that are scaling or working remotely. In addition to its reliable infrastructure, Aircall integrates advanced AI functionalities: AI Agents handle routine inquiries autonomously, while AI Assistants offer real-time coaching to representatives during calls. With over 250 native integrations, Aircall is the preferred communications platform for more than 24,000 businesses, enabling them to manage sales and customer support from a single workspace.

UniTalk provides an extensive array of services within the telecommunications sector, encompassing offerings such as IP telephony, virtual PBX systems, and call tracking solutions. Additionally, they offer features like callback buttons and interactive widgets to enhance user experience. These tools are designed to streamline communication and improve customer engagement.

KrispCall enables users to handle all their telecommunication requirements—be it personal, business, or corporate—through a single application available on Web, Android, and iOS platforms. From the convenience of your home, you can obtain international phone numbers. The platform simplifies the process of generating international numbers, including national, local, shortcode, and toll-free options, across more than 100 countries, regardless of how quickly you need them. You have the ability to efficiently oversee your call logs as well. With KrispCall's integrated phonebox, all your business calls, voicemails, and recorded conversations can be managed and monitored conveniently in one location. You can connect with your international clients using local numbers, which helps in building their trust. KrispCall provides affordable international numbers tailored for your business needs. Furthermore, our customizable widget allows for straightforward customer outreach, as clients can reach you effortlessly by clicking on the KrispCall widget embedded on their website, enhancing your overall accessibility. This seamless integration not only improves communication but also boosts your professional image.

For over two decades, our cutting-edge technology has been at the forefront of providing telecom services. We specialize in a variety of areas including Hosted IP-PBX, SIP Trunks, Call Center Software, Wholesale, and Data Services, ensuring that our offerings align with the FCC standards for STIR/SHAKEN network compliance with outstanding service, competitive rates, and top-tier products. The XCast Unified Communications system is designed to be both scalable and international, featuring unlimited, complimentary extension-to-extension connectivity across the globe, all managed effortlessly through a web-based Administrator Control Panel (ACP) that simplifies the oversight of your features. We are excited to present our promotional pricing options, which include the Hosted PBX Basic package at just $9.95 per month and the Sip Trunking Basic plan at only $4.95 per month, making it easier than ever to enhance your communication capabilities.

Thirdlane is a comprehensive multi-tenant communication platform that combines VoIP calling, unified messaging, video conferencing into powerful solution. Designed for both enterprises, MSPs, telecom providers and resellers, it offers unmatched flexibility, cost-effectiveness, and scalability. Highlights: - PBX with advanced call routing, voicemail, and conferencing. - IVR, call queues, recording, and analytics. - CRM integrations with Click-to-Call and caller ID screen pops. - Thirdlane Connect desktop, web, and mobile apps for collaboration. - Flexible choice: cloud-hosted or on-premises. - White-label Who it’s for: - MSPs and UCaaS providers launching branded communications. - Enterprises seeking a customizable phone system with CRM integration. - Telecom providers and resellers looking for modern PBX offerings. Thirdlane delivers a complete, future-proof phone system for organizations that want to unify communications and scale without compromise.

Dialpad Connect is an advanced, AI-powered customer communications platform designed to unify voice calls, video meetings, and team messaging into a single, intuitive experience that enhances productivity and customer satisfaction. Its intelligent features include real-time call transcription, automated voicemail transcription, AI-generated conversation summaries, and actionable recommendations that keep users focused and informed during every interaction. The platform integrates seamlessly with a wide array of popular business tools such as Salesforce, Zendesk, Microsoft Teams, Google Workspace, and Hubspot, enabling organizations to streamline workflows and centralize communication data. Built on a robust dual-cloud infrastructure, Dialpad Connect delivers enterprise-grade reliability with 100% uptime SLA, comprehensive disaster recovery, and 24/7 customer support. It meets strict security and privacy standards, including GDPR, HIPAA, SOC 2, ISO certifications, and LGPD compliance, ensuring sensitive data is well protected. Dialpad’s AI capabilities extend to providing live coaching to agents during calls, facilitating better sales outreach, and offering real-time analytics to boost operational efficiency. The platform caters to businesses of all sizes, from startups to global enterprises, helping them transform their communication strategies. Dialpad Connect simplifies complex communication needs into a unified platform that supports inbound and outbound contact centers, cloud phone systems, and virtual collaboration. Its flexibility and scalability allow organizations to adapt and grow while maintaining exceptional customer experiences. Ultimately, Dialpad Connect turns everyday conversations into actionable insights that drive business growth.

One Platform for All Business Calls Simplify and enhance your business communications with Zadarma. From internal calls to global customer service, everything runs in the cloud — secure, reliable, and fully customizable to your workflow. Highlights include: - Visual PBX constructor for intuitive setup - AI call agents and speech recognition tools - Automatic call distribution (ACD) and IVR setup - eSIM for global mobile connectivity - Full API access to automate and integrate with your systems - 24/7 support and detailed documentation Perfect for companies managing international communication, remote support, or multi-channel sales teams.

Discover a dynamic cloud-based phone solution specifically designed for businesses with Webex Calling, enabling you to effortlessly make and receive calls on any device from nearly any location, simplifying the challenges of conventional phone systems. This service is crafted to foster your business's expansion by allowing calls from your business number and providing access to a wide range of powerful cloud calling functionalities. Eliminate the costs that come with physical phone equipment; instead, manage all aspects of your services, users, and security from a single intuitive platform. Webex Calling places a strong emphasis on security, ensuring your communications are protected without requiring frequent updates or maintenance. Experience the convenience of making calls with extension numbers, direct inward dialing (DID), email-style directory URIs, or by using directory-based dialing methods. With an array of features such as shared lines, hunt groups, call waiting, hold/resume options, call pickup, forwarding, do not disturb, and transfer abilities, you’ll always be prepared for important calls. This modern communication solution not only boosts productivity but also empowers teams to maintain connectivity regardless of their physical location, enhancing collaboration in today’s fast-paced work environment. Ultimately, it represents a significant advancement in how businesses approach their communication needs.

Yodel serves as an innovative receptionist for customer service departments, expertly handling inbound voice communications to pre-qualify calls. This system facilitates call management without the need to switch between different tools, ensuring a smooth experience. With a robust infrastructure built on proven technology, users can collaborate effectively on calls while benefiting from exceptional voice clarity. Within minutes, you can have your phone system operational without the hassle of transferring your existing business number. Yodel seamlessly integrates with more than 1000 software applications, allowing you to link your phone system to your workflows effortlessly. Additionally, it offers access to phone numbers in over 100 countries, ensuring you remain connected with your customers no matter their location. By partnering only with trustworthy local carriers, Yodel prioritizes outstanding call quality and reliability. Our service is designed to maintain high uptime and uphold a secure phone infrastructure. In today's competitive landscape, customer service teams are expected to deliver superior support and enhance customer satisfaction. Yodel eliminates the complexities associated with traditional phone systems, focusing instead on what truly matters: effective voice communication and customer engagement. Moreover, with its user-friendly interface and reliable features, Yodel empowers businesses to enhance their communication strategies and foster better relationships with their clientele.

XCALLY offers a user-friendly, scalable, and quickly deployable Omnichannel Contact Center solution. This software comes equipped with a variety of essential tools that support call center operations alongside its Omnichannel features. Key components include an IVR designer, a predictive dialer, scripting tools, dashboards, real-time panels, and analytics tailored for administrators and supervisors. Additionally, it supports WebRTC, a Windows Softphone, and a unified Web GUI for agents. Furthermore, XCALLY can seamlessly integrate through APIs with numerous external products and technologies, such as CRM systems, ticketing platforms, AI applications, bots, and text-to-speech services, enhancing its versatility and functionality. This allows organizations to create a customized and efficient customer service environment.

Yeastar Cloud PBX is an advanced telephone solution tailored for small enterprises, providing a future-proof option for communication needs. With Linkus UC Clients, users can effortlessly engage in remote work and improve call handling across various devices. The hosted deployment eliminates the need for initial hardware investments, significantly reducing management overhead. Yeastar's hosted system is user-friendly and offers a wide range of compatibility features, ensuring that any transitions or upgrades occur smoothly. It's important to remember that the Yeastar P-Series PBX System has replaced the old Yeastar Cloud PBX, bringing along enhanced call center functionalities and integrated communication capabilities for users. This evolution makes it an even more attractive choice for businesses looking to streamline their communication processes.

Designed for both large enterprises and emerging companies, the Yay.com business phone system presents a flexible and innovative communication platform that not only cuts costs but also enhances organizational adaptability. With user-friendly softphone applications compatible with your existing devices, remote and hybrid work becomes effortless and efficient. You can collaborate and communicate from anywhere in the world, allowing you to operate in a manner that suits your needs best. Yay excels in supporting distributed teams, whether they are in the office, at home, or on the move. Take advantage of a wide array of business functionalities, including CRM integrations, IVR call menus, call queuing, and much more. Start with a free trial today and discover how Yay.com can empower your business to flourish and succeed. Additionally, with its comprehensive tools and features, you can optimize your team's performance and improve customer interactions effectively.

OpenVBX is a cloud-based telephony solution designed to integrate effortlessly with a user's Twilio account, facilitating both voice calls and messaging services. Teams can take advantage of a web-based dialer alongside a shared inbox to manage both incoming and outgoing communications, which includes SMS management, call logs, recordings, and the design of interactive call flows featuring menus, routing based on business hours, voicemail, and various IVR capabilities. The platform also supports functions such as call transfers, conference calls, voicemail transcription, appointment scheduling, and automated workflows for improved efficiency. Users can select from a variety of plans that offer virtual phone numbers and collaborative calling options, while higher-tier plans unlock additional sales features like click-to-call, local presence dialing, CRM integration, bulk calling, SMS marketing, and an AI-driven voice assistant. OpenVBX is particularly beneficial for a range of organizations, including real estate firms, healthcare providers, and lending institutions, thus catering to varied business requirements. The service is easily accessible via a web interface and an app available for Android, with Twilio usage charges billed separately to users. Moreover, OpenVBX's exceptional adaptability makes it an indispensable tool for enhancing communication strategies and optimizing customer interactions across multiple industries, ensuring that businesses can meet their unique operational demands effectively.

Streams.AI by PanTerra Networks is a comprehensive Unified Communications and Contact Center platform that combines every major communication channel into a single, cloud-based solution. Instead of managing multiple vendors or disconnected apps, businesses gain one secure platform that covers VoIP phone service, video conferencing, team messaging, SMS, fax, and file sharing, all enhanced by powerful AI-driven tools. With cloud PBX features like auto-attendant, call recording, voicemail-to-email, and advanced routing, Streams.AI simplifies business calling while ensuring HD-quality reliability. Teams can collaborate through secure video meetings, webinars for up to 1,000 attendees, persistent chat, advanced team rooms, and SmartBox enterprise file sync and share with built-in security and version control. Customer-facing teams benefit from robust contact center capabilities including skills-based routing, queue management, real-time dashboards, and AI features such as transcription, analytics, and agent assist, tools that increase efficiency and improve customer experiences. Streams.AI integrates seamlessly with Microsoft Teams, Outlook, Office 365, Google Workspace, Gmail, Salesforce, ServiceTitan, and more, while APIs support custom workflows. With HIPAA and SOC 2 compliance, end-to-end encryption, geo-redundant data centers, and 99.999% uptime, businesses can trust their communications are protected and always available. Deployment is fast thanks to white-glove onboarding, and support is unmatched: Streams.AI customers get live, US-based expert help 24/7, with an average response time under 30 seconds. Trusted for more than 20 years, PanTerra delivers a future-ready, scalable platform for SMBs and enterprises alike, helping organizations reduce IT complexity, lower costs, improve team productivity, and deliver exceptional customer engagement.

Acefone, founded in 2010, is a product-led communications company focused on making business communication simpler, smarter, and more customer-centric. We serve businesses of all sizes, from small businesses to large enterprises, with solutions designed to improve every stage of the customer journey. Our cloud-based omnichannel Customer Experience (CX) platform, AceX, brings together a comprehensive suite of communication and AI-powered products: Interactions Hub: A unified platform for managing cross-channel customer engagement from a single interface. Contact Center Studio: An advanced contact centre solution with powerful dialers that improve conversations and agent productivity. API Connect: Communication APIs that enable voice and messaging capabilities across web and mobile applications. Campaigns: A scalable mass-outreach solution for connecting with large audiences efficiently. AI Voice Agents: AI-powered voice agents that automate natural, human-like inbound and outbound conversations while improving availability and operational efficiency. Voice Streaming: Real-time audio streaming that connects live calls with AI models, voice bots, and business applications for intelligent, responsive interactions. Xtract: AI-powered conversation intelligence that converts customer interactions into actionable insights through transcription, summaries, sentiment analysis, and performance analytics. Headquartered in Gurgaon, Acefone is trusted by more than 5,000 businesses worldwide and supported by over 200 professionals across Gurgaon, Mumbai, and Bangalore. Our industry-leading integrations enable seamless communication across business ecosystems, while our ISO 27001 certification reflects our commitment to information security. A 99.5% uptime guarantee further ensures reliable, uninterrupted communication. With more than 300 features across Voice, WhatsApp, SMS, and other channels, Acefone combines ease of use with actionable insights.

Engage your customers at every stage of their journey through both voice and digital channels such as chats, SMS, email, and social media platforms. By seamlessly integrating business communications with your operational systems, you ensure that employees have access to crucial information at each customer interaction point. With CoreInteract’s intuitive drag-and-drop interface, managing workgroups and routing rules tailored to your business requirements becomes a straightforward task. You have the ability to prioritize and sequence which workgroups will handle incoming customer inquiries, enhancing efficiency. Additionally, CoreInteract allows you to coordinate your interactions directly within Teams, eliminating the need for separate desktop applications. Team members can easily differentiate between customer and internal calls, as workgroup calls are clearly labeled. Moreover, CoreInteract can pull up a customer record from Dynamics 365 for every answered call, providing enhanced oversight of customer data and enabling direct calls to customers through Dynamics 365, thereby streamlining the engagement process even further. This holistic approach ensures that your team is always well-prepared to meet customer needs effectively.

Boost your business's profitability through the use of UCaaS solutions by engaging with a comprehensive partner success program that features automated provisioning, management, and invoicing. This integrated platform enables you to substantially cut overhead expenses by automating critical processes. Furthermore, built-in toll fraud protection and call limit configurations safeguard both your organization and your customers. Our prompt delivery and installation services are tailored for a variety of industry devices, offering a full replacement for traditional PBX systems. You can easily make and receive public network calls straight from the application. Transitioning from a conventional PBX to a cloud-based Unified Communications solution not only addresses the needs of a distributed workforce but also promotes effective collaboration practices and outstanding customer engagement. With remote work capabilities, users can access on-demand collaboration areas and share files effortlessly across multiple devices. Stay effortlessly connected by monitoring live presence and transferring calls with our intuitive one-click web reception application, which significantly improves your team's communication efficiency. This innovative methodology not only optimizes operational workflows but also enhances the overall quality of services provided. Such advancements ensure that your business remains competitive in an ever-evolving market landscape.

Enhance the efficiency of your business communication with a modern cloud-based phone system tailored to meet contemporary requirements. Easily integrate leading applications and software solutions to refine your communication tactics. Maintain constant connectivity, promote effective collaboration, and enable smooth communication through business voice services that are available on any device at any moment. Take advantage of real-time call analytics to track every engagement and remain up-to-date. Employ a sophisticated call recording system equipped with AI-driven sentiment analysis to gain deeper insights into customer interactions. Ensure that your contact center callers enjoy a seamless experience, which ultimately translates to increased customer satisfaction and loyalty. This holistic approach not only simplifies communication processes but also cultivates an environment where productivity can thrive, leading to overall business growth.

IPFone focuses on providing telecommunications services that cater specifically to the needs of small and medium-sized businesses, offering a wide range of cloud communication solutions, internet services, and business phone systems. Their diverse portfolio includes Unified Communications as a Service (UCaaS), Voice over Internet Protocol (VoIP), Software-Defined Wide Area Network (SD-WAN), contact center options, high-speed fiber internet, professional installation, thorough training programs, top-notch customer service, and unlimited international calling features. By prioritizing effective communication, IPFone enables companies to function smoothly and stay connected with their clients and teams. Their dedication to service excellence sets them apart in the competitive telecommunications landscape.