Best Business VoIP Providers for Microsoft Teams

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.

Dialpad offers companies a contemporary Voice over Internet Protocol (VoIP) solution, eliminating the need for outdated landline systems through a comprehensive, internet-driven communication platform. This innovative service allows teams to engage in high-quality voice calls, exchange SMS and MMS messages, and maintain connectivity across any device, whether it’s a desktop or mobile. As a fully integrated communications platform, Dialpad also features seamless video conferencing, team chat capabilities, and artificial intelligence-enhanced productivity tools. Consequently, it provides a more adaptable and economical option compared to conventional phone systems, enabling businesses to connect with customers on their preferred channels.

Ultatel is a leader in business communication solutions, providing organizations with state-of-the-art cloud VoIP technology designed to enhance productivity and maintain seamless connections with customers anytime, anywhere. Our services are fully adaptable, offering unlimited HD Voice, SMS, Fax, Chat, Video, along with more than 40 advanced features and integrations to meet your changing needs. With our transparent pricing model, you can trust that there are no hidden fees—what you see is what you pay! As a recognized Gartner Category Leader and G2 High Performer, Ultatel delivers a unified communications platform that grows alongside your business. Thanks to our innovative FlexScale technology, adjusting your communication requirements is a breeze, with no downtime or extra charges involved. Our Award-Winning Customer Support team is available around the clock, ensuring a remarkable 94% resolution rate on first contact. With Ultatel, you can enjoy the confidence that comes from being connected without limits.

Emphasizing a user-friendly approach to Unified Communications, the Yeastar P-Series Phone System provides businesses of any scale with an all-in-one solution for voice calls, video conferencing, messaging, and seamless integrations right from the start.

UniTalk offers a wide range services in the area of telecommunications business. These include IP telephony, virtual PBX and call tracking. Callback buttons and widgets are also available.

NXTPulse offers cutting-edge innovations that can elevate your business operations significantly. The platform is packed with a variety of features, including seamless integrations with Microsoft Teams, which enhance its functionality. With its extensive capabilities, NXTPulse empowers you to work flexibly from any location at any time. It is compatible with leading platforms such as Office 365 and numerous popular CRMs. Moreover, NXTPulse provides robust conference bridges, facilitating effective communication among all participants. You can rely on NXTPulse to manage your hosted voice solutions, freeing you from that responsibility. Regular updates and new features ensure that the platform remains current and effective. Strong SSL security safeguards the connection between your organization and the NXTPulse cloud, ensuring that your communications remain secure. In addition to its numerous productivity-boosting features designed to enhance customer service and operational efficiency. 3cx Integrations - AI, Microsoft Office 365, Google Workspace and more for a robust and flexible phone system tailored to your business needs. Inclusive Licensing - Benefit from included 3cx licenses, reducing additional costs. Scalable Solutions - Grow your business with scalable phone systems that adapt to your evolving needs. Fully Managed Solutions - Enjoy peace of mind with our fully managed services Amazon Web Services - Utilize the power of AWS for reliable and scalable hosting

KrispCall allows you to manage all your telephony needs, whether they are personal, business, or corporate, using one app (Web, Android and iOS). You can access international numbers from the comfort of your own home. KrispCall makes it easy to create international numbers for national, local, shortcode and toll-free numbers (for more than 100 countries) in no matter how fast you want. You can easily manage your call logs. KrispCall's unified phonebox allows you to manage and monitor all your business calls, voicemails, and recorded conversations from one place. Call your international clients through their local numbers to earn their trust. KrispCall offers international numbers for your business at an affordable price. Our embeddable widget makes it easy to reach your customers. Clients can now easily call you by clicking on the KrispCall widget embedded in their website.

Our proprietary technology has been providing telecom services since more than 20 years. We are experts in Hosted IP-PBX and SIP Trunks, Call Center Software, Wholesale, Data Services, etc. Our exceptional service, rates, and products meet the FCC standards for STIR/SHAKEN network compliance. The XCast Unified Communications is Scalable and International with unlimited, free, planet-wide, extension-to-extension, all with a web-based Administrator Control Panel (ACP) to help you manage all your features. Promotional plans: Hosted PBX Basic - $9.95/month Sip Trunking Basic - $4.95/month

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.

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.

Smart VoIP Solution for Teams of Any Size Zadarma replaces traditional phone systems with a cloud-based platform that’s easy to configure and use. Whether you’re a freelancer, small business, or global enterprise — Zadarma scales with your needs. What you get: - Local, mobile, and toll-free numbers worldwide - Virtual PBX with call queues, voice menus, call recording - AI Voice Agent and AI-speech recognition and analytics - Connect multiple offices and remote employees - Affordable call rates and flexible pricing plans - Real-time call statistics and recording storage - Support for IP phones, softphones, and browsers No hardware needed — just connect your team and start calling.

Experience a comprehensive cloud-based phone service tailored for businesses with Webex Calling, which allows you to make and receive calls seamlessly on any device from virtually anywhere, eliminating the complexities of traditional phone systems. This service is designed to support the growth of your business by enabling you to take calls using your business phone number while accessing an extensive array of robust cloud calling features. Say goodbye to the expenses associated with physical phone systems; instead, effortlessly manage all your services, users, and security from a centralized platform. Webex Calling prioritizes security as a fundamental component, ensuring protection without the need for constant updates. Enjoy the flexibility of making calls using extension numbers, direct inward dialing (DID) numbers, email-style directory URIs, or directory-based dialing. With features such as shared lines, hunt groups, call waiting, hold/resume options, call pickup, forwarding, do not disturb, and transfer capabilities, you’ll never miss a critical call. This innovative approach to communication not only enhances efficiency but also empowers teams to stay connected no matter where they are.

net2phone is a leading Unified Communications provider offering innovative and affordable cloud based telephony services in the US and worldwide. With an embedded Voice over IP experience at the core, 30+ years of on-going innovation, and an ever expanding global presence, net2phone is one of the fastest growing providers in the industry. Our cloud-based, unified communications and contact center solutions help businesses around the globe succeed by interacting with their consumers with enhanced intelligence and insights.

The phone system for customer service departments. Yodel is a receptionist who pre-qualifies inbound voice communications. It also allows call management without switching to other tools. Our battle-tested infrastructure allows you to collaborate on calls and enjoy crystal clear voice quality. Your phone system will be up and running in just minutes. No need to transfer your business phone number. Yodel integrates seamlessly with over 1000 software tools, so you can connect your phone to your existing workflows. Yodel gives you access to over 100 countries' phone numbers so you can stay in touch with your customers wherever they may be. Yodel only works with reliable local carriers to ensure the highest quality call quality. We provide reliable service uptime and a secure phone infrastructure. Modern customer service teams must provide high quality customer support and ensure customer satisfaction. Yodel takes out the pain from phone systems and delivers what's important: voice communication.

NUACOM is a Software-as-a-Service and Telecom company that provides flexible and scalable calling solutions for businesses to deliver exceptional customer service and handle successful sales calls.. Sales and customer service are important departments for any organization and having a powerful communication platform is crucial for business success. Our calling platform is focused on the user experience, call analytics and automation, so you can focus on what matters most: close more deals and delight your customers.

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.

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.

Stop accepting low commissions and partner with RingLogix to realize margins of up to 70% for your managed service provider (MSP) business. Effortlessly generate personalized quotes and enable clients to sign up online with just a few clicks, streamlining the onboarding process. Customers can be automatically activated, and services provisioned directly from any quote, with the flexibility to add additional services as needed. Utilize the integrated billing system to manage subscriptions, implement taxes, send invoices, and facilitate payments with ease. Gain immediate access to call logs, which include SIP ladders, caps, RTP statistics, and much more to enhance your operational insight. You won’t need to invest in new hardware or replace your preferred devices, as RingOS is designed to work seamlessly with all major vendors, and we are always eager to partner with new ones. With our platform, you can quote, activate, bill, and support your own branded services, all through a cohesive, white-labeled interface. Your brand and your customer experience are paramount, supported by our robust platform, which is truly a white-label solution. Exercise full control over everything, from packaging and pricing to features and integrations, ensuring your services meet your unique business needs. This level of customization empowers you to elevate your business and cater to your clientele's specific requirements effectively.

Acefone (founded in 2019) is a company focusing on simplifying communication for businesses. We are a product company that’s making interactions simple, powerful, and customer focused. Our cloud-based omnichannel Customer Experience (CX) platform, AceX hosts powerful products, including: -Interactions Hub -Contact Center Studio -API Connect -Campaigns These products are designed to help businesses deliver exceptional experiences at every touchpoint of the customer's journey. Based in Gurgaon, we serve over 5,000 global businesses with the support of a dedicated team of 200+ professionals across Gurgaon, Mumbai, and Bangalore. We deliver seamless communication through industry-leading integrations, ensuring a customer experience that is both efficient and effective. Our ISO 27001 certification attests to our commitment to top-tier security, backed by a 99.95% uptime guarantee. Acefone's user-friendly, insight-driven products offer 300+ features, serving different channels, like Voice, WhatsApp, SMS and more. With custom integrations powered by neat APIs, it smoothly aligns with every business’ unique demands.

Viirtue's white label VoIP and UCaaS software transforms white-label VoIP and UCaaS into a powerful video collaboration tool. It also offers mobile capabilities and a best in class streamlined quote-to cash solution. This allows you to compete with big players and scale your business with modern tools, excellent support, and great tools. You can rebrand our entire suite of white-label communication tools to your company, making it a one-stop shop for technology solutions. Get a demo to see how our industry-leading platform and quote-to-cash software can make it easy to run a unified communications company. Fair pricing that charges only for the number of seats used, and not for multiple users using multiple devices. Our all-in-one, quote-to-cash software, as well as our reseller dashboard, is a turnkey tool that supports your brand platform and helps you capture and win more business.

Teliqon is a modern cloud communication platform built to unify business telephony and messaging in a single environment. It enables companies to manage voice calls, SMS communication, and outbound campaigns without relying on complex infrastructure. The solution includes virtual phone numbers, a fully featured Cloud PBX system, and an advanced auto dialer that helps teams automate outreach and improve productivity. Businesses can launch large-scale calling campaigns, handle incoming calls efficiently, and deliver SMS notifications or marketing messages worldwide. Teliqon integrates with CRM systems and internal tools, allowing teams to centralize customer data, track communication history, and automate workflows. This makes it easier to manage sales pipelines, support operations, and customer engagement from one platform. With reliable global connectivity, scalable architecture, and detailed reporting tools, Teliqon supports growing companies and enterprise teams looking to optimize communication processes and expand internationally.

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.

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.

Enhance your profitability using UCaaS business solutions that offer automated provisioning, management, and invoicing through a top-tier partner success program. Reduce operational costs by leveraging a unified platform that streamlines these processes efficiently. Your business and customers will benefit from integrated toll fraud protection and customizable call limit settings, ensuring security and peace of mind. Enjoy a seamless delivery and installation experience for all supported industry devices, effectively replacing your traditional PBX system. Make and receive calls directly from the public network via our intuitive app, facilitating a smooth transition to a cloud-based Unified Communications solution designed for a distributed workforce. This approach promotes optimal collaboration practices and delivers exceptional customer experiences. Work remotely with ease, utilizing ad-hoc collaboration spaces and straightforward file sharing on multiple devices. Additionally, check live presence and effortlessly transfer calls using our user-friendly one-click web reception application, enhancing overall communication efficiency. With these cutting-edge features, your organization will thrive in a competitive environment.

Boost your business communication efficiency with a cloud-based phone system designed for modern needs. Seamlessly incorporate top-tier applications and software solutions to enhance your communication strategies. Stay connected, collaborate effectively, and communicate effortlessly through business voice services accessible from any device at any time. Utilize real-time call analytics to monitor every interaction and stay informed. Leverage an advanced call recording system that features AI-driven sentiment analysis for deeper insights. Guarantee a smooth experience for your contact center callers, ultimately leading to higher customer satisfaction and loyalty. This integrated approach not only streamlines communication but also fosters a more productive work environment.