Best Free Cloud PBX 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.

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.

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.

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.

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.

Welcome to TENIOS, the cloud communications provider of the Apifonica Group. TENIOS is German-based and specializes in cutting-edge AI voicebots and telephony solutions for businesses. Their mission in short words: Bringing Conversational AI to the world. Their passion for automation unites a team of experts in Cloud Technology, Telephony, and AI to help businesses automate communication and related business workflows. TENIOS Voicebots handle outbound and inbound calls, call back leads, pre-qualifiy them, instantly update CRM data, and create reports to scale customer communications. The comprehensive telecom-platform offers services such as virtual phone numbers, intelligent call routing, interactive voice response (IVR) systems, SMS, RCS, and a robust Voice API for seamless integration of voice applications. With over two decades of experience and hosting in Germany, TENIOS ensures reliable and scalable communication solutions tailored to meet diverse business needs.

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.

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.

miniSIPServer is arguably the simplest VOIP (SIP) server available. If you have little to no experience with VOIP technologies, there’s no need to worry; you can have your own VOIP system up and running in just an hour. For detailed guidance, please consult our comprehensive step-by-step documentation. Even seasoned VoIP professionals will find it straightforward to implement enterprise communication solutions such as ringing groups, follow-me features, hunting groups, and call queues with ease. This versatile server can operate on a range of platforms, including Windows, Linux, and Raspberry Pi, as well as various virtual machine environments like Hyper-V, VMWare, KVM, Xen, and VirtualBox. Furthermore, miniSIPServer is fully compatible with IPv6 networks, functioning seamlessly on IPv4-only, IPv6-only, and dual-stack environments. Many users across the globe have successfully deployed miniSIPServer to create their VoIP networks, so why not give it a shot today? All versions come with a 30-day free trial that has no limitations. Additionally, we offer a free version specifically designed for five clients, making it an excellent option for small teams or personal use.

Are you tired of being on hold for hours and getting no response when you finally speak to someone? GoVoIP doesn't do this. You will have access to your portal to make changes to your phone and account. Send us an email and we will do the rest. We tailor our service to your needs. We offer VoIP phones starting at $14.95/month or $14.95/SIP trunk/month. We offer 4G VoIP wireless that doesn't go through your network router so customers can receive clear voice calls. We also offer managed routers to use when needed. We also offer fax solutions that can connect to legacy fax machines to allow customers to send/receive faxes through their email as well as their fax machines.

Discover an extensive array of communication solutions conveniently located in one place. Join Traverse Telecom and enable your customers to connect effortlessly! Elevate your business framework with top-notch phone connectivity that enhances customer experiences. Greet your clients with a reliable standard telephone service, no matter where you are working from. Expand your outreach and connect with international customers through our premier International toll-free 800 numbers. Want to tap into global markets? Open your business to new opportunities by leveraging our Direct Inward Dialing (DID) capabilities available in over 90 countries. Don't let valuable business opportunities slip away due to missed calls; our call forwarding service allows you to direct customer calls to your preferred business location based on your priorities. We offer comprehensive Cloud PBX Solutions, eliminating the need for traditional on-premises systems. With Cloud PBX, you gain unparalleled flexibility and control, all while enjoying a robust suite of advanced features that can enhance your operations. Embrace the future of communication and watch your business thrive.

Empower your employees and departments to connect seamlessly through the cloud on any device, at any time, from anywhere. Your customers in the US, UK, Australia, and beyond can reach you without incurring any charges. Utilize top-tier phone system solutions to meet all your communication needs effectively. Within minutes, you can set up a fully-equipped contact center tailored to any number of agents required. The Real PBX offers exceptional quality telephony through its Hosted PBX solution, a cloud-based business phone system that combines all the essential features of traditional VoIP with the unique benefits of cloud technology. Experience this innovative system and transform your business's connectivity like never before. Renowned for providing cloud-based voice calling services, The Real PBX is dedicated to enhancing small and medium businesses globally. Since 2004, The Real PBX has been committed to delivering effective connectivity solutions. No matter your operational structure—whether inbound, outbound, or a combination—you can count on unlimited calling to ensure your business continues to thrive and grow. Embrace superior communication and watch your business flourish in the digital landscape.

SHOELACE Unified Communications delivers a state-of-the-art HPBX system that seamlessly integrates with your existing network and personnel, ensuring exceptional HD call clarity, video conferencing capabilities, and mobile applications that connect your business with clients. Enjoy a wealth of features including voicemail-to-email, mobility options, auto attendant services, and hold music, all within a comprehensive platform. There are no expensive initial investments or the need for additional hardware, nor are there complex setup processes to navigate. Essentially, businesses that adopt hosted solutions can rest easy knowing they will not face concerns related to software updates or hardware upkeep. This system allows for the connection of multiple sites, as well as remote and mobile employees, into a unified platform that promotes effortless communication throughout your organization. Moreover, you can access cost-effective communication solutions regardless of whether your office is situated indoors or outdoors, ensuring flexibility and accessibility for all your business needs. By choosing SHOELACE, you position your company for greater connectivity and efficiency.

Experience a user-friendly and adaptable business telephony solution, whether you operate a large corporation, a small local shop, or are a certified MongoTel reseller. With features that can easily accommodate teams of all sizes and the capability for rapid mass deployment, MongoTel is designed to operate seamlessly in the cloud. Our platform offers personalization options for users, simplified management tools for administrators, and innovative features for callers, leading to more meaningful interactions. The combination of our certified installer network and direct technical support ensures an exceptional and efficient user experience. At MongoTel, assistance is always close at hand, as our support team consists of the very experts who developed and continue to enhance our proprietary systems. The cloud-centric phone ecosystem provided by MongoTel empowers you to engage with each client on a personal level, whether they represent a business or are individual consumers. Our comprehensive tools are tailored to help you effectively reach out to those who are genuinely interested in your offerings, enhancing your sales opportunities further.

The system supports multi-tenancy, allowing clients to add an unlimited number of tenants and extensions within a single instance. Each client receives a tailored application interface to suit their specific requirements. A robust multi-authorization system enables the creation and management of admins, users, and resellers seamlessly. With a globally-recognized REST API, all call functions can be executed quickly and efficiently. You have the flexibility to run your services on one or multiple servers, adding or removing them as needed without facing any service interruptions when powering off a server. The integration with The Hub, along with customer portals and top CRM systems, facilitates faster and more reliable communications. Our dedicated support team is readily available during business hours to provide complimentary technical assistance in accordance with our SLA. The comprehensive service we provide is meticulously tailored to address the unique needs of your business. Additionally, you can monitor all inbound and outbound calls, whether they were answered or unanswered, along with other valuable metrics. This setup empowers teams to communicate effectively and collaborate seamlessly, ultimately enhancing overall work efficiency and productivity across the organization.

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.

Maintain a strong connection with both your team and your clientele. With 2talk, you can seamlessly take your business on the go, utilizing calling, messaging, and video capabilities across all devices. It offers much more than just a phone number and a superior Cloud PBX. By choosing 2talk, you gain access to a robust VoIP and cloud communications platform designed to facilitate your business's growth. Enhance collaboration and simplify customer engagement with ease. Equip your team with the tools for online calling and messaging, and keep customers informed with project updates or showcase your latest offerings through video. The 2talk Web App opens up a world of possibilities for your business's communication needs. With every 2talk calling plan, you receive our advanced cloud PBX at no extra cost, allowing you to manage your numbers with valuable features that provide full control. Experience the autonomy to establish a sophisticated business phone system independently, backed by our exceptional customer support. It's worth noting that faxing remains a relevant and effective tool in today’s business landscape.

Achieve robust multi-channel communication through voice and two-way SMS capabilities. Utilize sophisticated call center functionalities such as call barging, power dialing, and performance metrics to enhance call management. Engage in SMS conversations with local customers across the US and Canada using local numbers that support both voice and SMS. Effortlessly send one-way international SMS messages to over 100 countries. Integrate your Zoho Voice phone system with CRM and helpdesk applications for a smoother workflow. Transform your communication strategy to elevate customer engagement significantly. Expand your business reach by setting up local and toll-free numbers in various countries. Make calls without the stress of exceeding your budget. Enjoy exceptional call quality for your business communications while saving significantly, particularly when making frequent international calls. By leveraging these features, you can foster stronger relationships with your clientele and enhance overall satisfaction.

Voxloud stands out as Italy's pioneering cloud-based phone system that seamlessly incorporates AI to enhance productivity and save valuable time. You can retain your existing landline number when transitioning to Voxloud at no additional cost to you. With a simple activation process, you can set up your new landline number and phone system in just 59 seconds, allowing you to start communicating professionally from the very first day. Say farewell to traditional phone systems and embrace a smarter way of working with Voxloud's innovative cloud phone solution. This single telephone system encompasses all your communication needs, specially tailored for small and medium-sized businesses. Enhance the efficiency of your incoming calls by utilizing an interactive voice response (IVR) system that can be configured with multiple levels. Work flexibly from anywhere and at any time on your laptop, tablet, or smartphone through our user-friendly apps and VoIP devices. Easily add users from various locations and adjust your phone system’s settings with just a few clicks, ensuring that it meets your evolving business requirements. Furthermore, enrich your phone conversations with the most renowned CRM integrations available in the market, providing a comprehensive solution for your communication needs. As a result, Voxloud enables your team to collaborate effectively, no matter where they are.

For affordable and user-friendly phone system options tailored to your business, ClarityTel is your go-to choice. Renowned for offering sophisticated cloud-based phone systems, ClarityTel enables organizations to fulfill their communication requirements at a significantly lower cost compared to conventional landlines. Experience the future of VoIP technology with ClarityTel, designed to accommodate your specific needs. Our VoIP solutions are tailored to suit businesses of all sizes, allowing you to save as much as 60 percent and enjoy transparent savings. We provide a comprehensive business VoIP package for one low month-to-month fee, free from hidden charges. This commercial-grade VoIP service offers advanced features such as voicemail delivered via email, conference calling, live answering, and automated attendants, making it an ideal choice for small, medium, large, and enterprise-level businesses. With ClarityTel, you gain not only cost savings but also a robust communication platform that enhances your business operations.