List of the Top 23 On-Prem Cloud PBX Providers in 2025

A dynamic platform and specialized applications designed specifically for MSPs and UCaaS Providers. Transform your business with modern communication and telephony systems that improve customer interactions while minimizing upfront investments. Widely adopted by numerous international clients, UCaaS providers, and resellers, Thirdlane stands out as the go-to solution for those aiming to gain a competitive edge. Whether serving enterprises of various sizes, governmental organizations, or call centers, Thirdlane's dependable and intuitive multichannel communication solutions enhance productivity, foster customer engagement, drive sales, and improve cost-effectiveness. Explore how Thirdlane can strengthen your organization by requesting a quote today. Additionally, alongside the telephony features offered by the Thirdlane Multi Tenant PBX or Thirdlane Business Phone System, customers also enjoy access to the Thirdlane Connect application (available on both desktop and mobile), which encompasses chat, voice and video calls, conferencing, screen sharing, and seamless integration with CRM systems and various applications, providing a comprehensive communication experience. This robust array of features is designed to meet the evolving needs of today's businesses.

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.

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.

Experience a comprehensive and high-quality VoIP service tailored to meet all your business requirements, available nationwide and proudly operated from Southern Utah at competitive prices to foster your business growth. Joining is simple: visit our website, choose the number of phones you need, and receive a copy of your bill while we manage everything from installation to user training. We are committed to demonstrating our affordability by matching competitor quotes. Our confidence in our service is reflected in our no-contract policy, allowing our quality to shine through. All features are included in our pricing, with various bundles and packages available. Enjoy unlimited calls, SMS, EFax capabilities, detailed dashboards, performance analytics, and call recording services. Additionally, we offer professional voice recordings, ring groups, call flow management, advanced IVR systems, mass messaging, voicemail transcription, and call logs. With 24/7 customer service, we ensure that help is always just a call away for our valued clients. You can trust us to elevate your communication experience with unmatched reliability and support.

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.

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.

Explore a vast selection of communication options all conveniently situated in one location. Partner with Traverse Telecom to ensure your customers can connect with ease! Boost your business infrastructure with exceptional phone connectivity designed to enrich customer interactions. Welcome your clients with a dependable telephone service, regardless of your work location. Broaden your reach and engage with clients around the globe using our exceptional International toll-free 800 numbers. Interested in accessing international markets? Unlock new avenues for your business by utilizing our Direct Inward Dialing (DID) services, available in more than 90 countries. Don't allow important business chances to pass by because of unanswered calls; our call forwarding service enables you to route customer inquiries to your chosen business site according to your needs. We provide all-encompassing Cloud PBX Solutions, removing the necessity for conventional on-site systems. With Cloud PBX, you obtain unmatched flexibility and control, alongside an impressive range of advanced features that can enhance your operations significantly. Embrace the modern era of communication, and watch your enterprise flourish while adapting to evolving market demands. The right communication solutions can make all the difference in ensuring your business remains competitive and responsive.

Telecom providers, along with Unified Communications and OTT services, have the capability to set up, introduce, and profit from a variety of communication services over IP networks. These offerings encompass Unified Communications, Hosted IP PBX / IP Centrex, and SIP Trunking, in addition to various management tools such as DID Management and calling card services. Important components of this system include VoLTE and VoWiFi, which enhance communication efficiency. Among the critical functional modules are Class 4 and Class 5 SIP softswitches, designed for both residential and enterprise telephony solutions, as well as options for convergent online billing, service provisioning, and charging features that can be tailored to user needs. This flexibility ensures that service providers can adapt to the evolving demands of their customers while maximizing their revenue potential.

CompletePBX, Xorcom's core telephone system solution, serves as a Virtual IP PBX (Private Branch Exchange) or Phone System Appliance, integrating Asterisk and Linux to ensure robust stability and high operational performance. Developed with user-friendliness, advanced functionalities, and comprehensive security in mind, CompletePBX is designed to meet the diverse needs of modern communication. You can access a fully functional evaluation of the CompletePBX 5 virtual machine at no cost! Additionally, free online certification training for CompletePBX is offered, providing a foundational understanding of the system that can significantly streamline your learning process. With our assistance, you can expedite your journey to mastering this powerful phone system.

A VoIP solution crafted in Canada specifically for businesses with five or more users. Our team of VoIP specialists is dedicated to assisting you in selecting the ideal mix of hardware endpoints, network equipment, and ISP connections tailored to your unique location. With our service, your organization can effortlessly maintain clear communication with clients consistently, ensuring that every call sounds impeccable. We prioritize your connectivity needs and strive to enhance your overall communication experience!

Pulse stands out as a premier provider of innovative call center solutions, with its Web Real-Time Communication significantly boosting operational efficiency in call centers. With a rich history spanning more than twenty years in the call center sector, Pulse has successfully assisted clients across India, North America, and Europe in creating smooth and effective customer interactions. The company’s tailored call center solutions, which incorporate cutting-edge features, not only streamline the customer journey but also enhance revenue generation and foster customer loyalty. By focusing on meeting the unique needs of businesses, Pulse ensures that clients receive solutions that are well-suited to their requirements. Additionally, these advanced features promote proactive engagement with customers, ensuring they enjoy an outstanding user experience and reinforcing long-term relationships. Ultimately, Pulse is committed to helping businesses thrive in a competitive landscape through its expertly crafted solutions.

Effortlessly manage your business communications without needing any technical skills, thanks to VoIPline Telecom's user-friendly phone system. This system offers complete visibility into your communications through an intuitive visual block diagram accessible from any web browser. With a simple drag-and-drop interface, you can easily place more than 30 telephony configuration tools onto the canvas, allowing you to customize your setup according to your specific needs and preferences. You have the ability to adjust the incoming call flow by linking different objects, making the entire process visually clear for anyone, even those who are not technically inclined; every aspect of how an incoming call is handled is presented in an easily understandable manner. Additionally, you can create multiple distinct canvases organized by tabs to manage various call logics, which minimizes the risk of confusion that can occur when too many elements clutter a single canvas. This adaptability guarantees that your business communications remain efficient and well-organized at all times, empowering you to focus on what truly matters—growing your business.

The on-premises business phone system that offers all the vital tools needed for your organization to improve customer engagement. Central to Mitel's top-tier on-site communication solutions is MiVoice Business, which encompasses MiCollab, MiTeam Meetings, and MiContact Center Business, enabling staff to enjoy the advantages of integrated, scalable, and mobile communications effortlessly. This system provides your organization with everything required to raise communication standards through efficient mobility, collaborative teamwork, video conferencing, and exceptional customer experience management. MiVoice Business is designed to serve businesses of varying sizes, from 5 to 130,000 users, whether they operate from a single venue or multiple locations across the globe. Additionally, the software deployed on Mitel Collaboration Service Appliances can function on standard x-86 servers within a virtual environment, simplifying processes by minimizing the need for numerous devices—this is particularly beneficial for clients choosing a centralized unified communications approach. With MiVoice Business, companies can guarantee that their communication framework is both adaptable and strong, promoting continuous growth and innovation. Ultimately, this comprehensive solution empowers organizations to meet the ever-evolving demands of modern communication.

Epygi's cutting-edge cloud PBX solution, known as ecQX, can be implemented on either our servers or yours, offering flexibility in deployment. The ecMON platform acts as an effective monitoring tool that is well-suited for both cloud and on-premise environments, making it perfect for managing numerous installations without hassle. In addition, eQall serves as Epygi's Softphone, allowing users to either substitute traditional handsets or improve their existing systems. Epygi has crafted a user interface that is not only powerful but also intuitive, ensuring that all users can navigate the system with ease. To support users and administrators in mastering the platform, extensive documentation and a wide range of training videos are available. The monitoring features encompass both cloud and on-premise PBX setups and enable the configuration of alarms for over 70 events within the QX or ecQX systems, including notifications for subpar call quality. Users are empowered to save, restore, upload, and download configurations from both QX systems to the cloud and their personal computers, allowing for versatile management options. Furthermore, the system provides support for maintaining software versions on QX devices while enabling users to verify system activity, monitor uptime, and assess registered endpoints. Graphical displays of CPU usage and concurrent call statistics further assist in evaluating system performance, while remote access to the GUI of QX devices and their registered endpoints significantly enhances operational efficiency. Epygi’s solutions aim to optimize communication and elevate the overall user experience, all while ensuring thorough oversight and control, ultimately fostering a more cohesive and effective communication environment. With the integration of these comprehensive features, businesses can expect a seamless transition to advanced communication systems.

The Yeastar P-Series PBX Systems transcends traditional PBX functionality, offering a comprehensive solution tailored for small and medium-sized enterprises that demand excellence in business communication. As a "PBX-Plus-More" offering, it integrates voice, video, applications, and collaborative tools, enabling SMEs to enhance productivity significantly, bridge the gaps in unified communications, and tackle more intricate tasks with ease. This innovative system empowers businesses to streamline their operations and improve overall efficiency.

The Horizon phone system is an all-encompassing communication solution that provides an extensive range of both landline and mobile telephony capabilities via an intuitive web interface. As the foremost cloud telephony choice available in the market, Horizon features a robust set of tools tailored to meet the requirements of businesses, regardless of their size or structure. Cavendish has established itself as a leader in delivering the Horizon system, gaining deep knowledge in its setup, installation, training, and support for diverse phone system configurations that today’s enterprises need. With the ability to implement auto attendant functionalities, organizations can enhance call routing efficiency by offering callers various menu options to choose from. Moreover, users enjoy the convenience of accessing their phone numbers and adjusting settings from any authorized device within the company, which significantly boosts communication flexibility and operational efficiency. This level of adaptability positions Horizon as an essential resource for contemporary businesses striving to refine their telephony strategies while also promoting seamless connectivity across teams and clients. Ultimately, the combination of advanced features and user-centric design ensures that businesses can remain competitive in an increasingly digital landscape.

Our cloud-based phone solutions include ITC Cloud, which offers high-definition video conferencing, chat capabilities, and recording options, alongside standard VoIP services. This comprehensive system is perfect for fostering communication with clients and colleagues in online environments. Are you ready to boost your productivity and teamwork? Embrace this innovative approach to transforming your communication strategy.

Customers can now effortlessly engage in operations from virtually any location due to a robust mobility solution that encompasses vital features for essential tasks. Our offerings facilitate cost reduction through integrated redundancy, enabling swift setup of SIP trunks, direct inward dialing (DIDs), and toll-free numbers. Pulsar360 Corporation’s Voice over IP (VoIP) services guarantee exceptional voice communication that can be leveraged over economical broadband connections, whether sourced from other providers or through our own managed carrier services. By unifying their communication requirements into a single network connection for both telephony and high-speed internet, clients not only cut costs but also boost their productivity levels. With more than ten years dedicated to enhancing our VoIP platform, we have crafted one of the most sophisticated and highly automated systems available in North America. This substantial advancement allows us to offer immediate provisioning of SIP trunks, hosted and hybrid VoIP PBXs, local and international DIDs, toll-free numbers, and advanced management capabilities. Such innovations empower businesses to experience a significant transformation in their communication and operational processes on a day-to-day basis, leading to increased efficiency and streamlined workflows. Ultimately, this comprehensive approach positions organizations to thrive in a competitive landscape.

Unified Office, Inc. stands out as a leading Managed Services Provider offering Business Class Communication Services tailored for Small- and Medium-sized Enterprises. They deliver comprehensive business VoIP solutions that encompass a robust quality and support framework, initiating with engaging potential clients and progressing through a meticulous site survey, network evaluation, and the continuous cycle of integration, testing, deployment, and support. Their commitment extends to relentless monitoring of all service components, including on-premise systems, cloud infrastructures, software, and hardware, utilizing advanced diagnostic tools to ensure optimal quality and availability around the clock. At the core of their operations is a deep dedication to supporting their business clientele and resellers. Recently, the surge of interest in the Internet of Things (IoT) among large corporations has been noteworthy, prompting Unified Office to enhance its one-year-old IoT service offering, thereby expanding their innovative solutions portfolio. This strategic move reflects their understanding of market trends and the evolving needs of businesses in a technology-driven landscape.

Intalk.io is an all-encompassing call center software based in India, tailored to provide sophisticated communication capabilities ideal for larger enterprises. This platform seamlessly combines multiple business communication channels—such as voice, email, SMS, web chat, and social media—into a unified and effective Customer Experience Management system. By utilizing its Cloud Contact Center Software, users can benefit from a more efficient process as cutting-edge solutions enhance workflow organization. For businesses that place a high value on customer experience, Intalk.io stands out as an exceptional option, ensuring that your clients have smooth and enjoyable interactions with your brand. This call center management tool is crafted to help you address any obstacles while building more robust relationships with your customers. When customers are satisfied, they often become your strongest advocates, promoting your services through positive recommendations. Prioritizing customer experience is not merely advantageous but vital for your business's growth and sustainability. Investing in customer satisfaction today promises significant returns and fosters long-term loyalty to your brand, ensuring a thriving future.

AbacusFlex is an all-inclusive, secure, and expertly-managed IT platform that enables seamless operation of your technology as a service. Available through a subscription model with monthly payments, it offers quick and flexible deployment that complies with financial services regulations, allowing you to focus on your core business rather than the intricacies of technology management. Supported by a dedicated team of certified security professionals and disaster recovery experts, the Abacus cloud platform includes a thorough array of compliance tools that meet the needs of both regulators and investors. Our advanced continuous security protocols ensure that your IT infrastructure is continuously monitored and protected against potential cyber threats, giving you reassurance in a rapidly evolving digital environment. Furthermore, this robust framework empowers you to easily scale your operations in tandem with your business growth, ensuring that you remain agile and competitive in your industry. Whether you're a small startup or an established enterprise, AbacusFlex adapts to your needs, providing a reliable foundation for success.

Comprehensive omni-channel software solutions integrate multiple communication methods, including Voice, SMS, WebChat, and various social media platforms. They boast a TCPA-compliant manual dialing system that is enhanced with predictive, progressive, and power dialers. In addition to these features, they provide ACD/queues, capabilities for call and screen recording, sentiment analysis, as well as tailored dashboards and sophisticated reporting tools equipped with automation options. Quality Assurance is embedded in the system, which includes automated call scoring, and is further enhanced with AI-driven solutions for Voice, Chat, and SMS BOTs. Moreover, the platform offers CPaaS for the automated acquisition and management of phone numbers through our carrier network, facilitating seamless connectivity and operational efficiency across all communication channels. This all-encompassing framework empowers businesses to refine their customer engagement strategies and significantly improve interaction quality. As a result, organizations can better meet their customers' needs and drive long-term loyalty.