List of the Top 25 Cloud PBX Providers for Linux in 2025

At VirtualPBX, we provide a wide range of communication solutions specifically designed to meet the needs of businesses like yours. Our adaptable business phone plans are not only flexible but also scalable, allowing you to personalize features such as call routing, voicemail, and conferencing to suit your organization's specific requirements. With our contact center solutions, we enable you to significantly improve your customer service and support capabilities through tools like interactive voice response (IVR), call queuing, and real-time monitoring for better decision-making. Furthermore, our business texting service facilitates easy communication with customers and colleagues through SMS, ensuring no message goes unnoticed. If you're contemplating a shift from outdated analog phone systems, our Airdial Pots replacement solutions provide a smooth transition to contemporary, cloud-based options. Overall, VirtualPBX is committed to equipping businesses with essential tools that simplify communication, elevate customer service standards, and boost overall efficiency. We invite you to experience our offerings firsthand by requesting a free demo today, so you can see how we can transform your communication strategies.

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.

You can obtain an effective business phone system without breaking the bank. At Insider Telecom, we simplify access to advanced tools for small businesses across the United States. We provide the necessary equipment for as long as you require, allowing you to take advantage of essential features such as caller ID, conference calling, call forwarding, and intercom services. Importantly, you won't have to make any upfront investments to acquire a comprehensive business phone system. This is what sets Insider Telecom apart from the competition. Our dedicated support team recognizes that not everyone is familiar with telecommunications jargon, so they are equipped to listen to your unique needs and assist you in selecting the ideal phone system for your requirements. We strive to ensure that you feel assured in your choice of platform and confident in the service you receive. Ultimately, we believe that every business deserves access to top-notch communication tools.

A Hosted Business Phone System PBX can elevate any organization’s image and operational capabilities to that of a Fortune 500 company. With an auto-attendant in place, incoming calls can be efficiently managed, allowing customers to reach the right person by dialing names, selecting extensions, or choosing departments. Additionally, if you're frequently on the go, your calls can be seamlessly forwarded to your mobile device. T-Max provides complete geo-redundancy, with servers strategically located in premier data centers throughout the United States. We utilize multiple carriers to guarantee optimal connectivity to the PSTN, ensuring that your communication remains uninterrupted. T-Max also offers a selection of high-quality desk phones from renowned manufacturers like Yealink and Polycom, with various models available to perfectly fit your workspace. Our offerings extend to a wide range of devices including reception consoles, agent phones, wireless options, and conference room phones. Discover the best value in Hosted Business Phone Systems available today. Call us at 1-888-245-34883 for more information about our services, which include departments, extensions, digital receptionists, voice prompts, voicemail, fax service, and much more. Our comprehensive solutions are designed to meet the unique needs of your business, ensuring that you stay connected and efficient.

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.

Zadarma provides a business phone solution that eliminates the need for extensive wiring or complex hardware setups. Their services include VoIP, Cloud PBX, CRM functionalities, and website widgets, along with seamless integration with leading CRM platforms. Additionally, virtual phone numbers can be obtained in 100 different countries worldwide, starting at just $2 each month, making it an affordable option for businesses of all sizes. This flexibility allows companies to streamline their communication processes while maintaining a global presence.

PBXware stands out as the original and most prominent IP PBX Professional Open Standards Turnkey Telephony Platform available today. Since its inception in 2004, PBXware has been delivering adaptable, dependable, and scalable Next Generation Communication Systems (NGCS) alongside VoIP solutions tailored for small and medium-sized businesses (SMBs), large enterprises, Internet Telephony Service Providers (ITSPs), call centers, and various governmental agencies across the globe. This achievement is realized by integrating the finest elements of cutting-edge technologies. The Bicom Systems softswitch is offered in several editions, including Business, Call Center, and Multi-Tenant, with each edition designed to support specific features that enhance performance, reliability, and expandability, ensuring users get the most out of their systems. This versatility makes PBXware a preferred choice for organizations seeking robust telephony solutions.

net2phone stands out as a prominent provider of Unified Communications, delivering cutting-edge and cost-effective cloud telephony services across the United States and globally. With over three decades of continuous innovation and a robust Voice over IP foundation, net2phone has rapidly emerged as one of the industry's most dynamic players. Their comprehensive cloud-based solutions in unified communications and contact center technology empower businesses worldwide to engage their customers more effectively through improved intelligence and insights. As they continue to expand their global reach, net2phone remains committed to enhancing the way companies connect with their audiences.

Cost-effective phone and SMS solutions tailored for small enterprises. Why invest heavily in a phone system for your small business when you can have an efficient alternative? Everyone needs a reliable phone service. With TeliDesk, a user-friendly platform, you can set up your phone solution in just 15 minutes. Say goodbye to intricate phone systems that require extensive setup times. Your business is yours to manage, including your communication services. The Virtual Office feature empowers you to design a telecom solution that meets your specific requirements. You can make adjustments online from anywhere, at any time. Simply log in to begin! The more you call, the more you save, and as your business expands, so do your savings. Automatic payments can be made effortlessly using credit cards, PayPal, or debit cards, with cash payment options also available for your convenience. Additionally, Virtual Office offers a distinctive capability, enabling you to determine the destination for your incoming calls, allowing you to route them to any phone with our intuitive interface. This flexibility ensures that you never miss an important communication, regardless of where you are.

Our VoIP services are primarily focused on Europe, yet we operate in over 165 countries worldwide. At the core of our offerings is the Premium Plus package, which ensures you receive top-notch quality while enjoying competitive pricing. You can utilize a variety of number types for identification, such as Geographic, National, Toll-Free, UIFN, Mobile VoIP, and Elastic Pool numbers, among others. Additionally, we provide a SoftPhone solution and are excited to soon introduce new Roaming products to enhance your communication experience even further. This commitment to innovation reflects our dedication to meeting diverse customer needs.

The *astTECS IPPBX system serves as the perfect solution for businesses of all sizes, ensuring a comprehensive set of high-end features at a reasonable cost while holding TEC certification from the Government of India. This innovative PBX solution empowers organizations to be adaptable, forward-thinking, and competitive, all while streamlining telecom costs. Additionally, the *astTECS Call Center Dialer stands out as an omnichannel contact center solution, featuring a sophisticated real-time dashboard to monitor agents effectively. With the incorporation of advanced analytics and AI-driven capabilities, this dialer significantly enhances both agent productivity and customer interactions. Furthermore, *astTECS offers a robust call recording solution tailored for your business needs, with an intuitive voice recorder that boasts a range of advanced functionalities. Seamless integration with various PBX systems is a key benefit, as it supports ISDN/PRI, IP, analog lines, and mobile networks, ensuring comprehensive recording of all incoming and outgoing calls. This all-in-one solution not only optimizes communication but also facilitates better decision-making through detailed call insights.

Bevatel stands out as the most reliable provider of integrated cloud solutions and exceptional services at competitive prices in Saudi Arabia. Established in 2006 with the commercial registration number 1010456255, Bevatel also holds a license for a contact center in Jeddah, numbered 42-13-192, and has played a significant role in assisting various Saudi businesses in enhancing their contact center capabilities. Over the past 15 years, Bevatel has maintained its position as a frontrunner in advanced communications, offering professional solutions tailored for call centers, customer service, and management systems. This dedication to high-quality service has solidified Bevatel's reputation as the most trusted name in contact center services not only in Saudi Arabia but also throughout the Middle East. With a wide range of options now available, Bevatel continues to innovate and expand its offerings to meet the evolving needs of its clients. As the company looks ahead, it remains committed to providing exceptional value and support to businesses across the region.

VoIPstudio presents a top-tier VoIP phone solution priced for everyday consumers, ensuring the high standards of quality and security that businesses expect. It combines a wealth of innovative features and functionality with flexibility, scalability, and an exceptional user experience, all supported by a dedicated customer service team that operates across multiple channels. Tailored for a global audience, VoIPstudio is designed to function seamlessly across multiple sites and countries, utilizing cloud-based distributed hosting to offer the responsiveness and dependability essential for enterprise clients. This makes it an ideal choice not only for individual users but also for organizations with extensive extension needs, including various sectors such as media, call centers, software development, and meteorology. Customers benefit from the solution's adjustable capacity, which allows for easy addition or removal of users, ensuring they only pay for what they utilize without incurring costs for unnecessary capacity. Moreover, the platform is built to accommodate sudden increases in traffic, making it a robust option for businesses of all sizes. VoIPstudio’s offerings include over 40 advanced features and services available in every plan, such as number portability, call recording, conference calls, internet failover protection, interactive voice responses, call parking, video calls, video conferencing, and many more, enhancing communication possibilities for all users. This comprehensive feature set positions VoIPstudio as a leader in the VoIP market, catering to diverse communication needs effectively.

PBXPlus, the Virtual PBX Software offered by 500apps, can significantly enhance your team's productivity by providing a wide array of features that amplify your business's effectiveness, including IVR menus, call forwarding, phone numbers from over 40 countries, visual call flows, both inbound and outbound dialing, and seamless integrations with CRM systems and telecom providers. For just $14.99 per user, you can explore over 37 applications with PBXPlus, which also offers a 14-day free trial to get started. Notable Features Include: Unlimited Menu Creation Outbound Calling Capabilities Automated Call Flows Business Voicemail Services Efficient Call Forwarding Comprehensive Call Analytics Voice Messaging Solutions Dial by Name Functionality Virtual Phone Numbers and much more.

Smartz Solutions is revolutionizing the contact center industry by challenging outdated systems that have long kept businesses trapped with their complicated setups and exorbitant costs. Many contact centers are fatigued from managing fragmented and pricey systems, which adversely affect both customer satisfaction and employee morale. Our AI-driven 360° experience platform is transforming the way contact centers operate. Having experienced these challenges firsthand, we understand the pain of investing in legacy systems. At one point, we operated 15 different systems, all sluggish and ineffective, just to keep our call center running. We empathize with the struggle of trying to locate essential customer data and the frustration that arises when employee information is scattered across various platforms, obscuring the overall business picture. There's no need for you to operate your call center at the expense of lost revenue, missed opportunities, and dwindling patience. By utilizing a holistic technological framework, you can finally gain a comprehensive view of your entire customer base, enhancing both service delivery and operational efficiency. This shift not only streamlines processes but also empowers teams to deliver exceptional experiences.

Monster VoIP was established to offer outstanding voice clarity and ensure maximum uptime for clients across the United States, including major cities like Los Angeles, New York, Washington, D.C., Houston, Dallas, and Chicago. In addition to this commitment, the company prioritizes exceptional customer service and user satisfaction. To achieve geo-redundancy, we have strategically located data centers in Las Vegas, New York, Dallas, Minnesota, and Chicago, with all endpoints registered at each site. This approach guarantees that clients can rely on superior voice quality and reliable business phone uptime from multiple facilities. We have also developed a comprehensive suite of communication tools, allowing teams to familiarize themselves with just one user interface to meet all their communication demands. To uphold our promise of customer satisfaction, we provide tailored setups and continuous support available 24/7/365 for every business VoIP client that engages with us. Our dedication to service excellence is the cornerstone of our operations, ensuring that each customer feels valued and well-supported throughout their journey with us.

Yeastar CloudPBX (legacy) 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.

Discover a reliable and secure solution specifically designed for the needs of your online enterprise. All the essentials you require to launch your business are readily accessible. Benefit from an intuitive control panel that simplifies the management of your website. Our experienced support team is always on hand to provide assistance whenever you need it. Additionally, you will have access to a vast collection of pre-configured web applications that are ideal for enhancing your site. By choosing to collaborate with Sherweb, your trusted partner in the cloud, you will be pleasantly surprised by the opportunities that await. Our all-encompassing cloud management platform is crafted to meet the evolving demands of businesses, empowering IT professionals to leverage adaptable solutions backed by top-notch service from dependable experts. With a strong focus on cloud technology, IT professionals can feel confident knowing that our ever-expanding range of innovative offerings has been meticulously selected and vetted, featuring exclusive proprietary software that cannot be found elsewhere. We deliver a solid and sophisticated platform that seamlessly balances time efficiency with savings on costs. In addition, you can streamline and connect almost any process by utilizing our cutting-edge APIs, which guarantees that your operations are both productive and effective. When you partner with Sherweb, the horizon for your online business is not only bright but also brimming with incredible possibilities for growth and success. Embrace the future and let us help you navigate your journey ahead.

Businesses recognize the importance of having a dependable phone line to maintain effective communication with both customers and clients. Our state-of-the-art cloud-based telephone system not only delivers outstanding sound clarity but also includes call recording capabilities, conference call options, and a variety of other premium features. Supported by our knowledgeable engineers, you can anticipate thorough technical assistance, a smooth installation process, and quick resolutions to any inquiries or problems you may encounter. Choosing our cloud telecommunications solution allows you to drastically reduce initial capital expenditures, remove ongoing management expenses, and access a multitude of other advantages. Additionally, for those who are frequently on the move and prefer not to carry their office phone, you can conveniently redirect all incoming calls to your mobile device while away from your desk. This adaptability guarantees that you remain reachable regardless of your location, enhancing your overall communication experience. Ultimately, embracing this modern technology empowers businesses to operate more efficiently and responsively in today’s fast-paced environment.

OnSIP delivers remarkably straightforward business communication solutions to more than 100,000 customer accounts. We take pride in providing the advantages of an on-demand phone system without the expensive overhead, hassle, and rigidity that come with conventional telephony systems. You have the freedom to tailor your communication needs, enjoying the absence of long-term contracts along with exceptional pricing options. Our service includes complimentary onboarding and outstanding support from professionals based in the United States. Unlimited plans feature an array of tools, such as voicemail to email and ring groups, along with music on hold, video conferencing, call recording, dial by name directories, and complimentary SIP phones. Built on patented, geographically-distributed technology, OnSIP's platform ensures full redundancy, giving you peace of mind that your phone system will remain operational and keep your team connected at all times. Experience the seamless functionality by signing up for a trial today, and discover how we can enhance your communications.

Introducing an unparalleled UCaaS solution designed to drive the success of Service Providers. This white-label platform is fully customizable, enabling you to set your brand apart and stand out in a competitive marketplace. KAZOO, the comprehensive UC platform by 2600Hz, provides the flexibility required to ensure an exceptional communication experience for your users. Your clients will benefit from seamless and efficient communication with you. With access to over 300 APIs, you can tailor solutions specifically for your clients, enhancing their operational efficiency. Establishing and sustaining brand recognition in the industry is simplified with the ability to white label your offerings. Starting your journey is quicker and more affordable with minimal upfront investments. Your clients will enjoy constant connectivity, backed by reliability and geo-redundancy, allowing them to access their business from anywhere, at any time, through mobile devices. KAZOO's multi-tenant architecture opens up various sales channels, enabling you to choose between engaging resellers, adopting a direct approach, or implementing an agent-based model. This flexibility not only enhances your business potential but also positions you strategically in the evolving communication landscape.

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.

Ajoxi specializes in offering wholesale VoIP termination services. To guarantee dependable service and superior connectivity, they utilize state-of-the-art routers and equipment. Additionally, Ajoxi employs a team of skilled technicians who actively monitor the system and promptly address any issues that occur, ensuring uninterrupted performance. Their commitment to quality and reliability sets them apart in the industry.

CloudCall stands out as the sole communications platform specifically tailored for companies utilizing CRM systems. It enhances decision-making by recording all calls and communications, seamlessly integrating them into CRM contact records, which empowers businesses to maintain oversight of remote teams and boost productivity significantly. This unique approach ensures that teams can operate efficiently, regardless of location, while also fostering a more insightful understanding of customer interactions.

miniSIPServer is often considered the most user-friendly VOIP (SIP) server currently available. Even if you lack experience in VOIP technologies, you can easily set up your own VOIP system within just an hour. For thorough instructions, our extensive step-by-step documentation is available for reference. Seasoned VoIP experts will also find it simple to implement advanced communication features such as ringing groups, follow-me options, hunting groups, and call queues. This adaptable server supports a variety of platforms, including Windows, Linux, and Raspberry Pi, in addition to operating within several virtual machine environments like Hyper-V, VMWare, KVM, Xen, and VirtualBox. Moreover, miniSIPServer is fully equipped to work with IPv6 networks, ensuring smooth operation in IPv4-only, IPv6-only, and dual-stack setups. Users around the world have successfully utilized miniSIPServer to establish their own VoIP networks, so why not try it out for yourself today? All versions offer a 30-day free trial without any restrictions. There's also a complimentary version tailored for five clients, making it an ideal choice for small teams or individual projects. With its straightforward setup and extensive features, miniSIPServer is a fantastic choice for anyone looking to dive into the world of VOIP.