Best On-Premises Unified Communications Software of 2025

A versatile platform and applications tailored for MSPs and UCaaS Providers. Elevate your business with contemporary communication and phone systems, enhancing customer experience without significant upfront expenses. Chosen by a multitude of global customers, UCaaS providers, and resellers, Thirdlane is the preferred solution for those seeking a competitive advantage. Whether for businesses of any scale, government agencies, or call centers, Thirdlane's reliable and user-friendly multichannel communication solutions boost productivity, customer engagement, sales, and cost efficiency. Discover how Thirdlane can bolster your organization; request a quote today. In addition to the telephony features of the Thirdlane Multi Tenant PBX or Thirdlane Business Phone System, customers gain entry to the Thirdlane Connect application (desktop&mobile), covering chat, voice and video calls, conferencing, screen sharing, along with integration capabilities with CRM and diverse applications.

PBXware is the first and most established IP PBX Professional Open Standards Turnkey Telephony Platform. PBXware has been providing flexible, reliable and scalable Next Generation Communication Systems (NGCS) and VoIP solutions to small and medium-sized businesses (SMBs), enterprises and Internet Telephony Service Providers, (ITSPs), call centers and governments around the world since 2004. This is done by combining the best of the latest technologies. Bicom Systems softswitch is available in the Business, Call Center, and Multi-Tenant Editions. Each edition supports specific features that maximize performance, reliability, expandability, and expandability.

Fuze stands out as the leading global platform for cloud communication and collaboration tailored for enterprises. It streamlines the intricacies associated with managing on-premises communication systems, ensuring exceptional voice quality and reliable service through unlimited calling to over 110 countries via more than 50 carriers, making it an excellent choice for businesses with a significant international presence. With a decade of experience supporting clients worldwide, we offer a strategic roadmap to maximize the benefits of your Fuze deployment. This comprehensive application operates flawlessly across various locations and devices, providing deep insights into usage, engagement, and organizational productivity. Upgrade your communication strategies with the premier cloud platform that integrates unified voice, high-definition video conferencing, real-time chat, content sharing, and contact center solutions all in one place, revolutionizing how teams collaborate and connect. Embrace the future of communication with Fuze and unlock the full potential of your enterprise.

VideoMost Server is similar to Zoom, but it's self-hosted video conferencing server. It is available for licensing at a fraction the cost of other cloud providers Video conferencing for enterprise with mobile messaging and content-sharing VideoMost secure communication platform allows people to collaborate from any device or network. 300 video participants can be seated in a conference room that includes extensive collaboration tools such as screen sharing, whiteboards, polls, and mobile messenger. VideoMost supports both Scalable video Coding (SVC) and MUX (MIX) architectures. It automatically adjusts video quality to network conditions and CPU utilization during a conference session and provides total legacy HW (Cisco and Polycom) and Microsoft software interoperability (Outlook, Exchange and Skype).

Powering video everywhere: Build your own video platform and connect existing incompatible equipment, protocols & integrations.​ Or embed video directly into your apps to create a seamless, frictionless experience. Meet and collaborate securely: Trust Pexip with your most important communications while maintaining complete control of your data and meetings. Connect meeting rooms: Join any meeting on any device. Enhance the video experience for all participants, and modernize existing hardware. Customer engagement beyond video: Convert online visitors into customer meetings with easy-to-use scheduling. Offer multiple meeting types, including branded video meetings. Extended Reality (XR) video platform: Boost productivity with wearables that last for hours. Enable workers in manufacturing, engineering, construction, and healthcare with tools that transform business operations.

*astTECS IPPBX system is the ideal solution for any business, large or small. *astTECS PBX has all the top-end features at an affordable price and is TEC certified by DoT (Govt of India). *astTECS IPPBX solution allows your business to be flexible, innovative, competitive, and future-ready while reducing telecom expenses. *astTECS Call Center Dialer is an omnichannel contact centre solution that offers advanced features and a real-time dashboard for agent monitoring. Advanced analytics and AI-based call center dialer will improve agent productivity and customer engagement. *astTECS provides a complete call recording solution for your company. *astTECS voice recorder is easy to use and offers advanced features. Integration with any PBX is seamless. Supports ISDN/PRI, IP, analog lines and mobile to record all incoming and outgoing calls.

UNIVERGE Blue® Cloud Services: One seamless and intuitive unified cloud communications and collaboration experience, aligning people, communications, and technology to the company's key initiatives. Key Components: - CONNECT (UCaaS): User-friendly and fully integrated Cloud Unified Communications platform with robust productivity and collaboration features. - ENGAGE (CCaaS): Highly reliable, secure, full-featured, and customizable Contact Center solution that delivers enhanced customer experience. - EXTEND API: API integration platform that connects Contact Center and Unified Communications functions into everyday business applications. - MEET: A powerful meeting solution that provides HD audio & video, interactive screen sharing, collaboration tools, and A.I. capabilities. - SHARE: Provides secure Sharing of the latest document versions without compromising accessibility or functionality. - CONNECT BRIDGE: Extends customers’ NEC phone system investment with cloud-based voice via desktop and mobile apps. - CONNECT+MS TEAMS: The costume version of the CONNECT works side-by-side with Microsoft Teams to enhance business communications.

Communication between care team members is a complicated relationship between people, devices, hospital systems, and devices. You might have difficulty communicating with an overwhelming amount of data, communication gaps, or inefficient workflows. These issues can make your job more difficult and negatively impact patient outcomes. Spok Care Connect® is the solution. Spok Care Connect, the unified communication platform, allows care team collaboration, closed-loop communication, and secure messaging to improve your clinical workflows. One unified communication platform can solve multiple problems across different departments and locations within your health system.

We unleash human momentum with collaboration, connectivity, and communications technology. All business is human—and when custom technology empowers human ingenuity, people and companies thrive. High performing teams do more, achieve more, and win more. Companies become agile, efficient, and resilient. Our team takes pride in making technology easy and cost effective. We love what we do—and it shows in the way we partner with you, from our first conversation to ongoing post-install support. Working with over 30,000 customer locations in 65+ countries, we deliver straightforward, secure, and scalable global managed services and advanced collaboration and communications solutions. Together let’s build your human momentum.

gloCOM is a robust desktop Unified Communications tool meticulously crafted to elevate your business communications by seamlessly integrating with PBXware, our VoIP Telephony Platform. Its primary aim is to streamline and enrich your everyday communication and collaborative efforts. This powerful application includes all the essential tools for effective teamwork, featuring IP Phone integration, Softphone capabilities, instant messaging, conferencing options, CRM access, faxing, file transfer capabilities, and an array of additional functionalities. All of gloCOM's features are elegantly organized within a single, user-friendly desktop interface, ensuring an exceptional experience across all major desktop platforms. Available in Office, Business, Agent, and Supervisor Editions, gloCOM tailors its offerings to support specific features that enhance efficiency and productivity, making it a versatile choice for varying business needs. With its comprehensive suite of tools, gloCOM ensures that teams can connect and collaborate more effectively than ever before.

Bluepulse provides a unique experience that isn't available anywhere else, offering you the ability to gather vital insights at the most critical moments. By fostering open lines of communication, you can better evaluate the feedback you receive and monitor your improvement journey alongside essential success metrics for informed decision-making. Imagine having all the tools necessary to create meaningful relationships with your team accessible in one convenient location. Forget the hassle of navigating through multiple applications just to retrieve contact information; Bluepulse enables seamless, real-time connections with everyone in your network. Rather than waiting for scheduled check-ins, leverage Bluepulse's continuous listening capabilities, which facilitate dynamic exchanges of feedback and valuable information. This ensures you are promptly notified about opportunities for improvement or the resolution of emerging issues. With Bluepulse, you can adopt a proactive stance rather than a reactive one, ensuring that no one and nothing is overlooked. Additionally, this innovative platform encourages a culture of engagement and responsiveness, allowing your organization to thrive in an ever-changing environment.

Unified Communications, OTT, and telecom providers can configure, launch, and monetize any type communication service in IP networks. This includes Unified Communications, Hosted IP PBX / IP Centrex and SIP Trunking. DID Management, DID Management, OTT Voice and calling cards. VoLTE/VoWiFI are some of the key functional modules. Key functional modules: Class 4 & 5 SIP softswitch, for residential and enterprise telephony service; convergent online billing, service provisioning and charging (optional).

FortiVoice and FortiFone provide a unified communication experience that encompasses calling, conferencing, chat, fax, and mobility solutions. Fortinet's enterprise-grade phone systems merge the comprehensive FortiVoice system with high-definition audio from FortiFone, ensuring organizations can adapt to the dynamic demands of communication stemming from advancements in infrastructure, remote or hybrid work environments, and bring-your-own-device policies. This cohesive platform unifies various communication tools, enabling teams to collaborate effectively and adapt to modern communication challenges without incurring additional resource or cost burdens. By integrating calling, conferencing, chat, fax, and mobile capabilities, FortiVoice enhances organizational connectivity and streamlines communication processes. Furthermore, FortiVoice's extensive suite of communication and security features is housed within a user-friendly platform, simplifying management across various devices, users, and locations. The solution is designed for easy deployment and customization, allowing businesses to tailor it to their specific workflows, thus maximizing operational efficiency. Additionally, built with cutting-edge security and encryption technologies, FortiVoice ensures the protection of business conversations and the safeguarding of sensitive information, reinforcing trust and security in corporate communications. Ultimately, this combination of functionality and security makes FortiVoice an essential tool for modern enterprises.

Yeastar Linkus Unified Communications app, which is compatible with both cloud PBX and on-premises PBX, gives you easy access to enhanced call efficiency and enterprise-grade telephony features across any device at your disposal. It also allows you remote working agility with softphone and instant messaging, file sharing, CRM integration, and CRM integration.

Yeastar K2 IPPBX is available as both hardware and software. It supports 2000 users, 500 concurrent conversations, and 400 VoIP trunks across multiple locations. This gives medium and large enterprises full flexibility and capability. Yeastar K2IP PBX is designed to meet the communication needs of today and tomorrow. It offers enterprise-level features and exceptional reliability. It also allows remote working with next-level Linkus UC Softphone.

Yeastar P-Series PBX Systems is more than a PBX. It is a converged system designed for SMEs with higher expectations in business communications. The P-Series is a "PBX-Plus-More” solution that unifies voice, video, applications and collaboration. This allows SMEs to achieve more productivity, fill the UC gap and complete more complex tasks.

For astute IT and business professionals, modern communication methods are fundamentally cloud-based. With the emergence of fully remote teams, it's essential for virtual workers to be seamlessly connected, allowing for collaboration with all necessary tools for their tasks. Unified Communications as a Service (UCaaS) embodies this concept by providing reliable, cloud-hosted solutions that can be implemented more swiftly and at a lower cost than traditional on-premises alternatives. Offered by Windstream Enterprise, UCaaS unifies various enterprise communication methods, encompassing audio, video conferencing, messaging, and collaborative web capabilities. By merging these distinct tools, UCaaS significantly improves organizational workflows, boosts operational efficiency, and enhances overall productivity. Furthermore, when paired with Contact Center as a Service (CCaaS), it creates a robust solution for customer service, making it an invaluable asset for businesses aiming to optimize their communication strategies. This integration ultimately leads to a more agile and responsive organization, better equipped to meet the challenges of the modern marketplace.

Expo XT offers sophisticated UC Analytics that span multiple platforms and channels, enhancing communication efficiency. Whether it's addressing hunt groups, troubleshooting Auto Attendants and IVR, or analyzing user performance and agent metrics, Expo XT equips you with the critical insights necessary for making informed improvements to your voice calls, video meetings, and overall collaboration efforts. Built on Power BI, this tool seamlessly integrates with various systems including Webex Calling, Cisco UCM, UCCX, CUBE, Zoom, Teams, NICE CXone, among others. Moreover, it provides an economical pricing structure, starting at just 100 extensions, making it accessible for organizations of different sizes. With Expo XT, businesses can transform their communication strategies and drive better engagement outcomes.

Communication has evolved in numerous ways, but when it truly matters, the most essential tool we rely on is our voice. Unify OpenScape Voice, part of the Unify OpenScape Enterprise suite, empowers your business to engage effectively—with colleagues, clients, and all stakeholders—delivering interactions that are immediate and full of depth. Whether utilized as an independent voice solution or integrated with other unified communication tools, Unify OpenScape Voice boasts carrier-grade reliability, robust security, and impressive scalability—supporting up to 100,000 users per node—along with versatile deployment options that can be on-premise or cloud-based. This solution ensures a seamless connection between voice and various functionalities such as mobility, video conferencing, chat, messaging, presence, and a unified number service. You can also incorporate voice capabilities into your existing business applications without the need to overhaul your current multi-vendor voice infrastructure, all achieved through a single, cohesive framework. Consequently, businesses can enhance their communication strategies while maintaining flexibility and reliability.

Unified management is now possible with the Kurmi MACD Enterprise software program. System administrators love the convenience of having one platform to manage all their communications systems. Kurmi Enterprise software MACD offers multi-vendor, cloud-based, and on-premise environments. This allows for flexibility in integration of new services and vendors. The software automates routine tasks for system administrators. This software can reduce support costs and frees your most valuable tech employees to concentrate on the things they are best at. This results in higher end user satisfaction and fewer errors. Automating the provisioning process is possible. You can save time and be confident that your systems are working at their best, with no minor errors. Kurmi allows you to connect enterprise communications systems with corporate IT apps such as HR, ITSM: Workday or ServiceNow, OTRS and many more.

Whether deployed on-premises or in the Cloud, CX-E provides flawless integration with leading communication platforms such as Avaya, Cisco, Microsoft, Mitel, and NEC, enhancing any existing telephony and email system. It boasts industry-leading features, including comprehensive voice message encryption from start to finish. Users can benefit from a mobile app that enables single number reach, intelligent call forwarding, distinct separation of business and personal calls, inbound call screening, and protection of mobile numbers. The system consolidates voicemail, email, and fax into a unified inbox for ease of access. It also offers text-to-speech, voicemail transcription, and secure messaging features. With speech-enabled technology, users can access their calendars, emails, faxes, and voicemails hands-free and eyes-free. Additionally, the federated presence feature allows users to play personalized greetings based on their calendar availability. CX-E accommodates multiple attendants, provides speech-recognition interfaces, customizable greetings for various departments, multilingual options, and scheduled messages. Furthermore, it enables tailored automated outreach through telephone calls or text messages, enhancing communication efficiency across the board. This comprehensive solution is designed to streamline communication processes and improve overall productivity.

Since over a decade, the ConferenceManager (CM), has been a staple in federal and enterprise spaces. CM is well-known for its simplicity, flexibility, and dynamic functionality. CM continues to grow its reputation for reliability, quality and functionality. ConferenceManager is unique in its ability to adapt to the needs of any enterprise workflow. Many solutions in the enterprise space are not able to communicate and collaborate with all types of employees. ConferenceManager is a traditional conferencing solution, but it's also designed to integrate with specific industry workflows. Its focus on flexibility, whether that be in scale or feature/functionality, offers a unique opportunity for customers to build a customized tool that streamlines business efforts and maximizes productivity. Operator Console is a dynamic tool that provides real-time support and monitoring for the ConferenceManager system.

Intalk.io is a comprehensive call center software solution based in India that offers advanced communication features suitable for enterprises. This platform integrates various business communication methods—including voice, email, SMS, web chat, and social media—into a cohesive and powerful Customer Experience Management system. With its Cloud Contact Center Software, users enjoy a streamlined experience as innovative solutions simplify workflow management. For those prioritizing customer experience, Intalk.io is the perfect choice! It guarantees that your customers enjoy a hassle-free interaction with your brand. This call center management software is designed to help you navigate any challenges while fostering stronger connections with your clientele. Satisfied customers become your most effective marketers, spreading positive word-of-mouth about your offerings. A focus on enhancing customer experience is not just beneficial, but essential for the growth and success of your business. Ultimately, investing in your customers’ satisfaction will yield lasting dividends for your brand.

Comprehensive omni-channel software solutions encompass voice, SMS, web chat, social media, and additional communication methods. They feature a TCPA-compliant enhanced manual dialing system along with predictive, progressive, and power dialers. The platform also offers ACD/queues, call and screen recording, sentiment analysis, and customizable dashboards, as well as advanced reporting capabilities with automation. Quality assurance is enhanced through automated call scoring, and AI-driven voice, chat, and SMS bot solutions are integrated. Additionally, CPaaS capabilities facilitate the automatic ordering and routing of phone numbers within our carrier network, ensuring seamless connectivity and efficiency for users.

In the digital age, staying connected is more than just making a call. Verge's Business VoIP Phone Systems are feature-rich and offer the flexibility of On-Premises deployment or Verge Dedicated private Cloud. Our VoIP solutions are designed to meet your specific business needs and budget. They not only offer a lower cost of ownership, but also bring the rich features of modern phone systems to the heart of your operations. Verge's Unified Communication Solutions offer a robust suite of solutions designed to streamline collaboration while driving productivity. We enable your team to collaborate and connect from anywhere at any time by integrating voice, data, video and mobile applications onto a single, cohesive platform. Our tailored solutions will keep your business ahead of the competition, fostering innovation and increasing customer engagement.