Best Free Business VoIP Providers of 2025

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.

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.

Kixie: Smarter Calling & Texting for Revenue Teams Kixie is the AI-powered sales engagement platform that helps teams connect faster, close more deals, and scale effortlessly—all while keeping it personal. 🔥 Outbound Sales: Boost connection rates up to 400% with AI-powered Local Presence, Multi-Line PowerDialer, and Spam Risk Prevention. 🚀 Marketing: Automate calls & texts for instant follow-ups and high-converting outreach—without the manual work. 📞 Inbound Sales & CS: Handle more calls with smart CRM-based routing, shared SMS inboxes, and instant auto-replies. 📊 RevOps & Leadership: Get AI-driven insights, real-time coaching tools, and advanced analytics to level up your team. 💥 Supercharge your sales team today! Visit our website to get started for free, no credit card required.

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 - 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.

Stay connected, organized, and focused with a user-friendly phone solution designed for organizations of any size. With Voice, making work-related calls becomes a breezy experience. You can easily make and receive calls using a dedicated work number from any device, no matter your location. Begin to enhance your communication strategies today. Voice is adaptable, allowing you to tailor it to your daily tasks seamlessly. The processes for number assignment, porting, and billing are all streamlined within the user-friendly G Suite Admin console. Google's advanced AI technology helps filter out spam calls, automatically transcribes voicemails, and allows you to customize your PBX settings. Additionally, integrations with Hangouts Meet and Calendar ensure you remain focused on what truly matters. Voice can be rapidly deployed on a global scale from any location, significantly reducing the need for administrative overhead. Concentrate on your priorities while effortlessly staying connected through desk phones, smartphones, and web applications, making your workday more efficient than ever.

Calilio is a reliable cloud telephony platform that simplifies business communication with virtual phone numbers in over 100 countries. Launched in 2023, it prioritizes user-friendliness with a simple and intuitive dashboard and application. Even users with minimal technical expertise can easily navigate Calilio's features, which include texting, calling, voicemail, chat, image sharing, and more – all from a single window. Calilio offers affordability too. Their Standard plan starts at just $15/month (or $12 annually) and provides features like a web/app dialer, call filters, history, blocking, forwarding, and more. Premium and Enterprise plans offer additional features with customizable pricing based on your needs. Keeping pace with advancements, Calilio integrates AI-powered call monitoring and evaluation features. Gain valuable insights with sentiment analysis to understand customer satisfaction, and use call summaries and transcriptions to easily grasp conversation details and outcomes. Calilio streamlines business communication with a user-centric approach and feature-rich platform, making it an excellent choice for businesses of all sizes.

DID Global offers high-quality, efficient premium IP telephony for business and personal communication that allows you to scale quickly and save advertising budgets while increasing sales. We offer our clients attractive rates. Our working principles are based on the common phrase "price equals quality". You can save 60% on your advertising budget if you use local operators. If you call a prestigious local number, your clients will be more trusting. We only use high-quality, stable communication channels. You can switch to a different provider immediately if you lose your connection thanks to channel redundancy. This allows you to communicate with your customers while your business runs smoothly. We offer the best conditions to our customers in over 150 countries.

Affordable phone and SMS service for small businesses. Why spend a lot on a phone solution for your small business? Everyone can use a phone system. TeliDesk, a self-serve platform, can be configured within 15 minutes. Avoid complicated phone systems that take a long time to configure. You are in control of your business, and that includes your phone service. Virtual Office allows you to create your own telecom solution, based on what you need. You can make changes online, anywhere and anytime. Log in and get started! You save more the more you call. As your business grows, so does your discount. Automatic payments by credit card, PayPal or debit card. You prefer to pay in cash? No problem. Virtual Office is a unique service that allows you to choose where your calls will ring. You can send calls to any phone using our easy-to-use interface.

Experience the freedom of messaging anytime and anywhere! You can effortlessly send both individual and group messages to your friends across the globe, thanks to LINE's compatibility with various smartphone platforms such as iPhone, Android, Windows Phone, BlackBerry, and Nokia, in addition to being accessible on your PC. Make unlimited voice and video calls to your loved ones without worrying about the cost, as LINE allows for free international communication, ensuring you stay connected regardless of distance. This service is fully functional on devices like the iPhone, iPad, Android, Windows Phone, Windows PC, Mac, and also offers LINE Lite for Android users. Express your emotions creatively with over 10,000 unique stickers and emoticons, and don’t forget to explore the Sticker Shop for exclusive stickers featuring your favorite characters and celebrities. Moreover, LINE NEWS is the leading news curation platform in Asia, dedicated to providing content that adds value to your daily life. Additionally, if you're short on time or prefer to avoid crowded places, you can conveniently access medical consultations from the comfort of your own home. This comprehensive suite of features makes LINE an essential tool for communication and information.

PhoneWagon is the #1 rated call tracking software. Beautiful, simple, easy to use 14-day free trial (no need to credit card). You can create a campaign in less than 30 seconds using local or toll-free numbers. PhoneWagon helps businesses to grow by helping them understand which marketing campaigns have the highest return on investment. We also provide world-class customer service via our voice and text messaging communications tools. PhoneWagon, a beautiful and easy-to-use call tracker software, helps digital marketing agencies and clients to understand which campaigns are most effective. 93% of businesses rely upon phone calls to convert leads to paying customers. Marketing agencies can prove to clients that they are driving inbound phone calls that lead to paying customers. Marketing agencies can maintain a consistent brand by using our white-labeled dashboard to provide their clients with a beautiful interface to view all their phone calls, texts, and other information.

EveryDay Voip combines phone, video, meetings, and messaging into one reliable PBX system. Our service is designed to keep you connected to your clients from anywhere in the world. It also gives you the freedom to run your business as you please. You can install our apps on your tablet, smartphone, or desktop and enjoy HD-quality web and audio with one-click functionality. Collaboration is made easy with unlimited SMS, team messaging, and more. Next-generation voice services are scalable, secure, and easy to use. EveryDay Voip is a leader in international carrier services. EveryDay Voip offers the best international wholesale solutions to all communication service providers worldwide, with over 1000+ interconnects that range from PTT's and Mobile Network Operators to VoIP suppliers in-country. To ensure proactive dominance, bring to the table win-win survival strategies.

Bria offers a versatile softphone solution that enhances the functionality of your call server, PBX, or VoIP service, allowing you to answer calls seamlessly on both desktop and mobile platforms while also providing features such as team messaging, HD video conferencing, and screen sharing, all powered by CounterPath. Enjoy exceptional audio quality coupled with 1080p HD video calls, whether you're at your workplace or traveling, and take advantage of user-friendly features like call recording, music on hold, and seamless call transfers. For those seeking additional collaboration options, Bria Teams and Bria Enterprise provide advanced capabilities such as team messaging and screen sharing, facilitating HD video conferencing for up to 200 participants. With all your communication needs integrated into one user-friendly application, you can easily talk, chat, meet, and share information across devices while keeping your call and messaging history synchronized, ensuring you remain connected and informed. Discover more about Bria's offerings by visiting counterpath.com!

Freshcaller is an affordable cloud-based software that allows businesses to connect with their customers. Freshcaller offers phone numbers in over 90 countries and allows customers to set up a contact center with just a few simple steps. Freshcaller integrates seamlessly with several CRM and Helpdesk software, allowing sales and support teams the ability to work together. Admins can gain real-time insight into the customer experience and agent productivity with powerful reporting and analytics. Agents can receive calls on their desktops or laptops (both Android and iOS), creating a fully connected but remote contact center. Admins have the option to add agent licenses, buy additional numbers, add credit for phone calls, and upgrade their pricing plan. Freshcaller is an extremely modern and reliable phone service that is trusted by more than 7000 customers worldwide.

As high-speed internet becomes increasingly affordable, both homeowners and small business owners are making the transition to VoIP. We make sure our customers have access to the necessary specialists and resources to quickly set up Voiply with all the essential features required by their users. After installation, we ensure that our operations run exceptionally well, consistently supporting our clients and their businesses. Established in 2012, Voiply was created with a clear mission in mind; we recognized a shift in the market and the growing need for companies to communicate in a more efficient manner. Back then, we anticipated that the "Cloud" was not just a temporary trend, but rather the future of communication. This foresight led us to develop a cloud-based unified communication system that leverages the latest technologies. Our goal was to be at the forefront of this evolution, providing exceptional service to SMBs worldwide. Additionally, the Voiply Extra Line app enables users to utilize their Data or WiFi connection to gain an extra phone line, further enhancing communication capabilities. This innovative approach reflects our commitment to continually adapt and meet the changing needs of our clients.

Transform your team's workflow with a comprehensive collaboration platform that features an AI Companion. Enhance communication, boost productivity, make the most of in-person interactions, and foster employee engagement through Zoom Workplace. Establish valuable connections with a singular solution that encompasses meetings, team chat, whiteboarding, phone services, and much more. Eliminate unnecessary time spent switching between different applications, as Zoom Workplace delivers a smooth, automated experience accessible from both mobile devices and desktops. With its integrated functionalities, you can easily initiate calls or meetings directly from chat threads, collaborate on whiteboards from various locations, and check your colleagues' availability with just a glance. This unified approach not only simplifies tasks but also encourages a more cohesive and dynamic work environment.

OnSIP provides powerfully simple business communication services to over 100,000 customer accounts. We are proud to offer the benefits of a phone system on-demand without the high costs, burden and inflexibility associated with traditional phone systems. You can customize your communications with no contracts and unprecedented pricing flexibility. Free onboarding is provided along with award-winning support from the United States. Unlimited plans come with a range of features, including voicemail to email and ring groups. They also include music on hold, video conference, call recording, dial by name directories, and free SIP phones. OnSIP's platform was built using patented, geographically-distributed technology that provides 100% redundancy. You can be confident that your phone system will always be up and running to keep your team connected. Sign up for a trial today!

Introducing an unparalleled UCaaS solution crafted to drive the success of Service Providers. Stand out in the competitive landscape by utilizing a fully customizable white label offering that enhances your brand identity. KAZOO, the comprehensive UC platform from 2600Hz, provides the adaptability essential for delivering an exceptional communication experience. Equip your clients with a communication solution that fosters their achievements. With over 300 APIs at your disposal, you can tailor a solution that empowers your customers to enhance their business operations. Customizing your offering under your own brand allows you to strengthen your market presence. The low initial investment facilitates a swift launch while ensuring you remain price competitive. With robust reliability and geo-redundancy features, your clients will experience uninterrupted service. The mobile-ready functionality allows your customers to conduct business anytime and anywhere. KAZOO operates as a multi-tenant platform, giving you the opportunity to diversify your sales strategies. You can opt to onboard resellers, sell directly, or implement an agent model to maximize your reach. This flexibility can significantly enhance your operational capabilities and service offerings.

Experience unparalleled flexibility with options to pay as you go, customize your plan, or select an all-inclusive package that caters precisely to your requirements through a modern, cloud-based internet phone service. Everything is managed online and is under your control, available instantly without the need for site visits, installation, or maintenance—just plug in and start using. Voipfone offers plans starting at just £1 per month and includes numerous innovative features at no additional cost. This award-winning service delivers reliable and cost-effective advanced cloud-based internet phone solutions tailored for small businesses. Voipfone is accessible to everyone, whether you're a fresh startup in need of a new phone number, a growing organization looking for adaptable support for new employees or remote workers, or an established company aiming to upgrade from an outdated office PBX system. By choosing Voipfone, you can seamlessly transition your phone system to the cloud, enjoying a hassle-free VoIP PBX that can be implemented quickly and affordably. Not only does this service enhance communication, but it also empowers businesses to scale effortlessly as they grow.

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.

We offer high-level cloud communication services, including DID Virtual numbers, SIP trunking, Cloud PBX creation, and other business solutions.

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.

Ajoxi provides wholesale VoIP termination. They use modern routers and equipment to ensure reliable service and high-quality connectivity. Ajoxi has technicians who monitor and fix any problems that may arise.

Are you looking for a business phone system that is affordable and reliable? It would be great to spend more time with your customers than waiting on hold with your provider every little change. FluentStream is your home! FluentStream is committed to being the best business communication system. No-contract plans are available for all accounts. We provide 24/7 client support. We will be there for you throughout the onboarding process. We understand how difficult phone setup can be. We're happy to take over the heavy lifting so that you don't have too. It's all part and parcel of being the easiest business to work with.

VoipNow serves as a comprehensive cloud communications solution designed specifically for service providers and businesses that require a powerful enterprise PBX system. This platform encompasses a wide array of features, including voice, video, presence, instant messaging, conferencing, faxing, and contact center capabilities, ensuring an all-encompassing communication experience. As a result, organizations can easily manage their communication needs through a single, integrated platform.

In 2013, Flowroute emerged as the pioneering software-centric carrier, introducing the Flowroute HyperNetwork™ to meet the rigorous demands of carrier-grade services while leveraging the flexibility, automation, and scalable nature of cloud technology. The Flowroute SIP Trunking solution allows for seamless integration with existing PBX systems or analog/digital telephone adapters in just a few steps. Customers enjoy the freedom to adjust their call capacity as needed, paying solely for the minutes they consume, which means there are no limits on concurrent calls with Flowroute’s inbound SIP trunking. This eliminates the hassle of capacity planning, as the system automatically generates new instances to accommodate increasing call volumes, ensuring that voice services can expand effortlessly. Additionally, Flowroute optimizes outbound call audio transmission through the most efficient routing path available, enhancing call quality while reducing costs for both local and international calls. Overall, Flowroute's innovative solutions provide unparalleled flexibility and efficiency in telecommunications services.