Best On-Premises Unified Communications Software
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Compare the Top On-Premises Unified Communications Software as of March 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
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 -
5
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. -
6
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. -
7
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 -
8
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 -
9
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. -
10
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 -
12
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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