Best On-Premises Unified Communications Software
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Compare the Top On-Premises Unified Communications Software as of January 2026
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What is On-Premises Unified Communications Software?
Unified communications software integrates various communication tools and channels—such as voice calls, video conferencing, instant messaging, email, and collaboration platforms—into a single, streamlined system. These platforms help businesses improve communication and collaboration across teams, regardless of their location, by providing real-time access to different communication methods through a single interface. Unified communications software often includes features like call routing, voicemail, file sharing, screen sharing, and presence indicators to enhance productivity and reduce communication barriers. By using this software, organizations can simplify workflows, improve customer service, and ensure more efficient internal communication. Compare and read user reviews of the best On-Premises Unified Communications software currently available using the table below. This list is updated regularly.
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1
Yeastar P-Series PBX System
Yeastar
The Yeastar P-Series provides a complete Unified Communications (UC) solution, seamlessly integrating voice, video, messaging, and presence into one cohesive platform. By eliminating the friction between disparate communication channels, it empowers modern teams to switch effortlessly between mobile, desktop, and web interfaces without losing continuity. -
2
Thirdlane
Thirdlane
Thirdlane is a scalable UCaaS platform that blends multi-tenant PBX, Contact Center, and collaboration apps into one solution. MSPs, Enterprises, and telecom providers adopt Thirdlane when they want freedom of deployment, deep integrations, and reliable control over their communications stack. Whether your team prefers cloud-hosted services or on-premises deployments, Thirdlane adapts to your strategy. IT departments appreciate the API-first design, while business leaders value the ability to cut costs and avoid lock-in. Core benefits: - Enterprise-grade PBX with calling, video meetings, voicemail, and advanced routing. - Unified Thirdlane Connect apps for chat, video meetings, and file sharing. - Built-in Contact Center - Advanced analytics to improve service and sales. - CRM integration for context-rich customer interactions. - White-label branding across all user touchpoints. - Options for geo-redundancy and high availability. -
3
PBXware
Bicom Systems
PBXware is the world’s first and most mature IP PBX Professional Open Standards Turnkey Telephony Platform. Since 2004, PBXware has deployed flexible, reliable, and scalable Next Generation Communication Systems and VoIP solutions to Small and Medium sized Businesses (SMBs), enterprises, Internet Telephony Service Providers (ITSPs), Call Centers and governments worldwide by combining the most advanced of the latest technologies. Bicom Systems’ softswitch is offered in the Business, Call Center and Multi-Tenant Editions, each supporting specific features maximizing performance, reliability, and expandability. -
4
Fuze
Fuze
#1 Global Cloud Communication Platform & Collaboration Software for Enterprises. Simplify the complexity of managing your on-premises communications systems with Fuze. Superior voice quality and uptime through unmetered calling to over 110 countries with over 50 carriers, providing an ideal option for enterprises with a wide-range global footprint. With more than 10 years of experience working with customers around the globe, we can provide a roadmap to ensure you get full value out of your Fuze deployment. The all-in-one application that works seamlessly across all locations and devices, giving a comprehensive view of usage, engagement, and productivity across the organization. Modernize your communications with the #1 global cloud platform for unified voice, HD video calling and conferencing, integrated chatting, content sharing, and contact center.Starting Price: $20 per user per month -
5
VideoMost
VideoMost
VideoMost Server is like Zoom, but self-hosted video conferencing server and available for licensing at a fraction of competitors cloud prices Enterprise video conferencing with mobile messaging and content sharing: enable people team work from any device / any network by using powerful and complete VideoMost enterprise-grade secure communication platform. 300 video participants in a conference room with extensive collaboration tools, including docs and screen sharing, whiteboard, mobile messenger, polls and more. Using both Scalable video coding (SVC and MUX) and traditional MCU (MIX) architecture VideoMost automatically and dynamically adjusts video quality to available network conditions and CPU utilization throughout a conference session, and provides total legacy HW (Cisco, Polycom, Avaya, etc) and Microsoft software (Outlook, Exchange, Skype) interoperability.Starting Price: $7 per conference room -
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Pexip
Pexip
Providing seamless video communication to all organizations regardless of technology platforms and security requirements. Complete privacy and control of data: Your way of security is our way of security. Connect the right people at the right time with the right information, and remain compliant with government regulations. Connect any room to any meeting: Delight users with a seamless and intuitive meeting experience, regardless of technology platforms. Build rich and engaging video experiences: Adapt to evolving client needs. Securely embed video in your daily workflows for better connection and engagement with citizens, patients and customers. -
7
Spok Care Connect®
Spok
Communication among care team members involves a complex relationship between people, devices, and hospital systems. You might be struggling with an overwhelming surge of data, gaps in your communication, or inefficient communication workflows. These challenges make your job harder and negatively impact patient outcomes. There’s a solution to help – Spok Care Connect®. Spok Care Connect is the unified communication platform that provides care team collaboration, closed loop communication, and secure messaging to enhance your clinical workflows. It’s possible for one unified communication platform to solve the multiple challenges across different areas, departments, and locations in your health system. -
8
Yeastar Linkus UC Softphone
Yeastar
Coordinated with on-premises and cloud PBX, Yeastar Linkus Unified Communications App provides you with easy access to enhanced call efficiency with enterprise-grade telephony features across all devices at your choice, and gives you remote working agility with softphone, instant messaging, presence, file sharing and CRM integration, etc. -
9
gloCOM
Bicom Systems
is a powerful desktop Unified Communications application specifically designed to take your business communications to a whole new level by tightly integrating with PBXware, our VoIP Telephony Platform. Its main purpose is to simplify and enhance your day-to-day communication and collaboration experience. It packs everything you need for a successful collaboration with your staff including IP Phone integration, Softphone, Messaging, Conferencing, CRM access, Faxing, File transfer functionality and much more. All gloCOM features are neatly packaged within a single elegant desktop application interface with great user experience available on all major desktop platforms. gloCOM is offered in Office, Business, Agent and Supervisor Editions, each supporting specific features maximizing efficiency and productivity. -
10
Bluepulse
Bluepulse
Bluepulse offers something that no one has experienced anywhere else. Capture the insights you need to improve by checking in when it matters most. Qualify the feedback you’re receiving with an open communication channel. Track improvement progress and key success indicators to make informed decisions. What if everything you need to allow meaningful connections with all your people can be found in one place? Don’t jump through apps. Flip for phone numbers, scroll for emails. Bluepulse allows you to easily connect with everyone across your entire network in real-time. Don’t wait for predetermined intervals to check in with everyone in your organization. Bluepulse is a continuous listening platform that is fluid, where feedback and meaningful information can be easily exchanged and discussed. That means you can be alerted to an opportunity to improve or resolve issues promptly. With Bluepulse, you can be more proactive and less reactive to situations, leaving nothing and no one behind.Starting Price: Free -
11
PortaSwitch
PortaOne
An integrated softswitch and billing platform that enables VoIP, OTT and telecom providers to configure, launch and monetize any type of communication services in IP networks: Unified Communications, Hosted IP PBX / IP Centrex, SIP Trunking, DID Management, OTT Voice, calling cards, VoLTE/VoWiFI. Key functional modules: Class 4 and 5 SIP softswitch for residential and enterprise telephony services; convergent online charging, billing and service provisioning solution (optional) PortaOne gives you the tools and solutions that allow you to proudly offer exceptional telecom services, work effectively, and stay competitive in your market. Be free to adapt and develop your own extensions thanks to open architecture and API. Receive fair pricing with unlimited lifelong license for all PortaOne products. From marketing an idea to instant product launch, get smooth delivery and fast monetization.Starting Price: One-time -
12
Ecosmob
Ecosmob Technologies Pvt. Ltd.
Ecosmob offers market-leading expertise and solutions to power businesses across the world implementing trending technologies. Modernize your network with customized solutions that are highly advanced and cost-effective. With extensive expertise in Open Source telephony development, Ecosmob provides innovative VoIP services tailored to suit your business needs. Create interactive, scalable, and robust web applications using the most advanced tech stacks and frameworks. Take your business to the next level with a responsive website designed to be user-friendly and set your brand ahead of your competition. Expand your digital reach and target a wide spectrum of customers via mobile application development services. We build customized, highly scalable, and robust mobile applications to match your business requirements. Unlock new business possibilities and opportunities with AI and ML technologies.Starting Price: Custom -
13
FortiVoice
Fortinet
FortiVoice and FortiFone deliver simplified communications with integrated calling, conferencing, chat, fax, and mobility. Fortinet offers enterprise-grade phone systems, combining the all-inclusive FortiVoice system and HD-audio FortiFone. This solution helps organizations keep up with changing communication needs due to evolving infrastructure, remote/hybrid work, and BYOD. Our single platform with integrated calling, conferencing, chat, fax, and mobile support empowers organizations to connect teams and streamline modern communications without increasing resources and costs. FortiVoice delivers a rich set of communications and security features in one intuitive platform to simplify management across offices, devices, and users. FortiVoice is easy to deploy and customize to align with your business workflow for optimal operational efficiency. Built on the latest security and encryption technologies, FortiVoice secure UC protects business conversations, and safeguards information. -
14
Clobba
Code Software
Clobba is a comprehensive reporting, analytics, and monitoring suite designed for unified communications platforms, especially Microsoft Teams, that gives organizations deep visibility into voice, collaboration, and licensing usage. It delivers customizable dashboards and historical reports for metrics such as call quality (packet-loss, latency, jitter), multi-leg call flows, user-adoption trends, device and headset usage, queue and auto-attendant performance, and license distribution and utilization. Clobba supports role-based access, automated scheduling of reports, real-time alerts when thresholds are exceeded, and deployment either via the vendor cloud or on-premises. The core product is further extensible via modules like Clobba Real Time (live wallboards and trend analytics), Range Manager (DID/number management), Queue Manager (call queue/auto-attendant configuration), License Adoption, and Voice Recorder. -
15
Yeastar K2 IP PBX
Yeastar
Available as hardware and software, Yeastar K2 IP PBX supports 2000 users, 500 concurrent calls and 400 VoIP trunks across locations, providing medium and large enterprises with full flexibility and capability. Engineered for the communications needs of today and tomorrow, Yeastar K2 IP PBX delivers enterprise-level features with exceptional reliability, and enables extraordinary remote working agility with next-level Linkus UC Softphone. -
16
Windstream Enterprise UCaaS
Windstream Enterprise
For savvy IT and business leaders, present-day communications are already in the cloud. With the rise of 100% remote workforces, virtual teams need to be totally integrated, so they can connect and collaborate with all the tools necessary to do their jobs. Unified Communications as a Service (UCaaS) delivers on that vision with resilient, cloud-based solutions that can be deployed more quickly, and for less than an on-premises solution. UCaaS is a unified communications solution delivered as a service by Windstream Enterprise. It integrates all key enterprise communication types, including audio, video conferencing, messaging and collaborative web functionality. By integrating these separate tools, UCaaS enhances organizational workflow, operational efficiency, and productivity. When combined with Contact Center as a Service (CCaaS), it also enables a powerful customer service solution. -
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Expo XT UC Analytics
Metropolis Technologies
Expo XT provides advanced UC Analytics across platforms and channels to help improve communication. From hunt groups, AA, and IVR troubleshooting, to user performance and agent reports, Expo XT delivers the insights you need to make informed decisions to improve your voice calls, video meeting, and collaboration communication. + Built on Power BI + Integrates with Webex Calling, Cisco UCM, UCCX, and CUBE, Zoom, Teams, NICE CXone, and others + Affordable pricing for at little as 100 extensions -
18
Enconvo
Enconvo
Enconvo is a cloud-first business communications and unified communications platform that delivers modern telephony, collaboration, connectivity, mobility, and video conferencing tools in a single, flexible system built for hybrid and remote work. At its core, Enconvo Contact provides scalable cloud telephony that replaces traditional on-premise phone systems with features such as call management, call recording, professional voicemail, call analytics, on-hold marketing, and fixed mobile convergence so teams can stay connected on any device. It supports softphone apps for mobile, tablet, and desktop that allow users to make and receive business calls and messages via VoIP, separate work and personal contacts, and access voicemail and call history from anywhere. Enconvo also includes cloud phone system integrations with CRM and third-party tools to streamline workflows across business apps, and lets organizations deploy video conferencing through Enconvo Meetings. -
19
Unify OpenScape
Mitel
We’ve learned to communicate in a lot of ways, but when it really counts, we use the tool that matters most, our voice. As part of the Unify OpenScape Enterprise portfolio, Unify OpenScape Voice enables your enterprise to talk—with each other, with your customers, with all your stakeholders, with immediacy and richness. As a stand-alone voice application or integrated with other unified communications applications, Unify OpenScape Voice combines carrier-grade reliability, security, massive scalability (up to 100,000 users per node) and flexible on-premise or cloud deployment with the features your enterprise needs. We seamlessly synchronize voice with mobility, video and web conferencing, chat, messaging, presence, one-number service and more. Embed voice into your business applications. You can even unify your in-place multi-vendor voice network without ripping and replacing it, all with one elegant framework. -
20
Kurmi Enterprise Suite
Kurmi Software
With the Kurmi MACD Enterprise software package, unified management becomes a reality, not just a possibility. Systems administrators enjoy using a single platform to operate all communications systems. Kurmi Enterprise software for MACD has options for multi-vendor, on-premise, and cloud-based environments, providing flexibility of integration when new services and vendors are added. The software can automate systems administrators’ routine tasks. This reduces support team costs and frees up your most valuable tech employees for the things you want them to focus on. The result is greater end user satisfaction with fewer errors. The provisioning process can be automated. Think of the time you could save, secure in the knowledge that systems are functioning at their best without endless minor errors to be fixed. Kurmi lets you connect enterprise communications systems with corporate IT applications such as HR or ITSM: Workday, ServiceNow, OTRS, and many others. -
21
OpenText CX-E Voice
OpenText
Deployed on-premises or in the Cloud, CX-E offers seamless integration with all major communications platforms – Avaya, Cisco, Microsoft, Mitel, NEC and more – complimenting any telephony and email infrastructure. Industry-leading functionality with end-to-end voice message encryption. Mobile application, single number reach, smart call forwarding, separated business & personal communications, inbound call screening, mobile number protection, and more. Ties together voicemail, email, and fax into one inbox. Text-to-speech, voicemail transcription, and secure messaging available. Speech enabled, hands-free/ eyes-free access to calendar, email, fax, and voicemail. Federated presence to calendar to play an informative personal greeting. Supports multiple attendants, speech-recognition interfaces, greetings for different departments, multilingual interfaces, scheduled messages, and more. Perform customized automated outreach via telephone calls or text messages. -
22
ConferenceManager
Compunetix
The ConferenceManager (CM) has been a trusted staple in enterprise and federal spaces for over a decade. Known for its ease of use, flexibility, and dynamic functionality, CM continues to build on its maturity and reputation for reliability, quality, and functionality. While many solutions in the enterprise space take a “one size fits all” approach to communication and collaboration, ConferenceManager’s most distinguishing feature is its ability to meet the unique needs of almost any enterprise workflow. A traditional conferencing solution at its core, ConferenceManager is built for dynamic integrations with specific industry workflows and requirements. 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. The Operator Console is a dynamic tool that allows for real-time support and monitoring of the ConferenceManager system. -
23
Intalk.io
Intalk.io
Intalk.io is a Multi-Channel Call Center Software Solution in India equipped with enterprise-grade Communication abilities. Intalk.io unifies all business communication channels – voice, email, SMS, webchat and social media within a dynamic & robust, centrally managed Customer Experience Management Platform. With the Cloud Contact Center Software, you can have a seamless experience as our state-of-the-art solutions make it easier for you to manage the workflow. If you have CX on your mind, then this solution is for you! Intalk.io ensures that your customers have a seamless experience while interacting with you. A call center management software that focuses on helping you overcome every hurdle and establishing stronger customer relationships. There is no better way to market your product/service than a happy customer who will advocate about your brand through word of mouth. If you focus on an enriched customer experience, your business is bound to grow. -
24
Broadband Dynamics
Broadband Dynamics
Omni Channel software solutions including Voice, SMS, WebChat, social media and more. Includes TCPA compliant enhanced manual dialing solution, predictive, progressive and power dialers. ACD/queues, call recording, screen recording, sentiment analysis, custom Dashboards, enhanced customizable reporting with automation, Quality Assurance including automated scoring of calls, AI Voice, Chat and SMS BOT solutions. CPaaS for automatic ordering and routing of phone numbers on our carrier network. -
25
Verge Network Solutions
Verge Network Solutions
In today’s digital era, staying connected means more than just making calls. Verge's Business VoIP Phone Systems transcend traditional boundaries by offering feature-rich systems with the flexibility to choose from On-Premises deployment, Verge Dedicated Private Cloud, or our Verge Business Cloud solution. Designed to adapt to your unique business needs and budget, our VoIP solutions not only promise a lower total cost of ownership but also bring the rich capabilities of state-of-the-art phone systems into the heart of your business operations. Verge's Unified Communication solutions offer a robust suite designed to streamline collaboration and drive productivity. By integrating voice, video, data, and mobile applications into a single, cohesive platform, we enable your team to connect and collaborate from anywhere, at any time. Our tailored solutions ensure that your business stays ahead, fostering innovation and enhancing customer engagement. -
26
UNIVERGE BLUE
NEC Corporation
Tomorrow's Smart Workspace, Today! NEC UNIVERGE BLUE is a comprehensive Cloud Communications platform delivering leading-edge Messaging, Voice, Video, File Sharing, Chat, Contact Center, and Integrations all-in-one user-friendly platform. Wherever your business operates—the office, at home, on-site—it’s important that employees are equipped with the right tools to be productive and communicate with colleagues and clients from anywhere. Equally important is ensuring a safe, productive work environment for enhancing business communications and customers' experience. Businesses can bring employees and customers together on one of the most inclusive integrated business communications platforms and adopt digital workplace strategies to establish a smooth and secure flow of communications across their enterprise and maximize productivity, departmental efficiencies, and security.Starting Price: $19.40/User/Month -
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Momentum Telecom
Momentum
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. More at gomomentum.com -
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astTECS
*astTECS
*astTECS provides complete enterprise telecom products based on Open Source Technology- such as IP PBX and Contact Center Solution. *astTECS IP PBX offers all the high-end features at an affordable price enabling your business to be future-ready, flexible, innovative and competitive while reducing your telecom expenses. *astTECS IP PBX can seamlessly integrate with any applications - CRM, ERP, PMS and even with your existing telecom infrastructure. *astTECS call center solution has advanced features with a real-time agent monitoring dashboard helps to improve your agent productivity and customer engagement with advanced analytics. *astTECS also offers a complete call recording solution for your business with real time dashboards.
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