Best Unified Communications Software for Linux of 2025

3CX is an open-standards, software-based IP PBX that provides complete Unified Communications right out of the box. 3CX is suitable for all industries and sizes. It can provide everything you need, from mobility and status to advanced call center features and more, at a fraction the cost. 3CX is ideal for remote companies and includes mobile apps, video conference, and website live chat. The installation, management, and maintenance of the PBX are so simple that you can easily manage it yourself, on your own appliance, server, or on a cloud-based platform. You can also choose to have it hosted on 3CX for an easy solution.

At VirtualPBX, we offer a comprehensive suite of communication solutions tailored specifically for businesses like yours. This includes our versatile business phone plans, which are designed to be both flexible and scalable, allowing you to customize features such as call routing, voicemail, and conferencing to meet your organization's unique needs. With our contact center solutions, we empower you to enhance your customer service and support efforts through features like interactive voice response (IVR), call queuing, and real-time monitoring. Additionally, our business texting service enables convenient communication with both customers and colleagues via SMS. And if you're looking to transition from traditional analog phone systems, our Airdial Pots replacement solutions offer a seamless move to modern, cloud-based alternatives. Overall, at VirtualPBX, we're dedicated to equipping businesses like yours with the necessary tools to streamline communication, improve customer service, and enhance overall productivity. Get a free demo today!

Cloudbrink's secure access service boosts employee productivity and morale. For IT and business leaders whose remote employees cannot be fully productive due to inconsistent network performance, Cloudbrink’s HAaaS is a high-performance zero-trust access service that delivers a lightning-fast, in-office experience to the modern hybrid workforce anywhere. Unlike traditional ZTNA and VPN solutions that trade off security for user performance, frustrate employees, and slow productivity, Cloudbrink’s service secures user connections and solves the end-to-end performance issues that other solutions fail to address. Cloudbrink's Automated Moving Target Defense security is ahead of any other secure access solution. Rated by Gartner as the "future of security", Cloudbrink is leading the way. By constantly changing the attack surface, it is significantly harder to identify and attack a Cloudbrink user's connection. ==> Certificates are rotated every 8 hours or less ==> There are no fixed PoPs - users connect to three temporary FAST edges ==> The mid-mile path is constantly changed If you are looking for the fastest most secure remote access connectivity solution, you have found it with Cloudbrink.

Brosix Instant Messenger (IM) enables companies to enhance and secure their internal communication via dedicated team networks. It offers a comprehensive suite of tools designed to boost team productivity within a single user-friendly and fully encrypted platform, featuring capabilities like file transfers, screen sharing, private and group chats, virtual whiteboards, and more. By utilizing Brosix IM’s private networks, organizations can foster better collaboration and efficiency among their teams, minimize operational costs, and ensure the confidentiality of their data. Setting up these team networks is a quick process that takes only a few minutes, allowing businesses to start enjoying the advantages of an all-in-one communication solution that is easily manageable. Moreover, the platform's focus on encryption assures users that their conversations and shared information remain secure at all times.

Hosted Business Phone System PBX can make any company sound and function as a Fortune 500 company. All your calls can be answered by an auto-attendant. This allows callers to dial by name, choose extensions, and select departments. You can have your calls transferred to your mobile phone automatically if you're on the move. T-Max is completely geo-redundant. Our servers are hosted in top-notch data centers across the United States. Multiple carriers are used to ensure maximum connectivity to the PSTN. T-Max uses high-quality desk phones made by Yealink and Polycom. There are many models to choose from to best suit your environment. We offer a variety of reception consoles, agents phones, wireless phones, conference room phones, and wireless phones. The best Hosted Business Phone System for the price is available today. 1-888-245-34883 Departments Extensions Digital Receptionist Voice Prompts Voice Mail Fax Service And Much More

Slack is a cloud-based platform that enhances project collaboration and team communication, specifically tailored to foster smooth interaction within organizations. With a robust suite of tools and services unified in one platform, Slack allows for private channels that encourage engagement among smaller groups, direct messaging options for sending information straight to coworkers, and public channels that invite discussions among members from different organizations. Accessible on various operating systems including Mac, Windows, Android, and iOS, Slack boasts a wide array of features such as chat capabilities, file sharing, collaborative workspaces, instant notifications, two-way audio and video calls, screen sharing, document imaging, and activity tracking, among other functionalities. Additionally, its user-friendly interface and versatile integration options make it a popular choice for teams seeking to enhance their productivity and communication effectiveness.

ClickSend offers SMS, MMS, Voice, Online Mail, Email and Fax software for businesses. Our communications and messaging tools are simple to use, automate and integrate. That’s why they’re used by some of the most trusted brands, organisations and developers globally. Built for all, you can access ClickSend via our Dashboard, mobile app, flexible API or 900+ integrations. Plus, ClickSend offers helpful 24/7 support, and lightning fast delivery via a secure and reliable platform. From SMS marketing and alerts to bulk mailouts sent from your browser, join over 90,000+ businesses sending communications around the world. Our 100% uptime guarantee and lightning fast direct routes provide reliable messaging, no matter the channel. From small businesses to enterprise, ClickSend powers billions of messages around the world with 232+ direct carrier connections. Plus, ClickSend is always pay-as-you-go. That’s why ClickSend is business communications, solved.

Our proprietary technology has been providing telecom services since more than 20 years. We are experts in Hosted IP-PBX and SIP Trunks, Call Center Software, Wholesale, Data Services, etc. Our exceptional service, rates, and products meet the FCC standards for STIR/SHAKEN network compliance. The XCast Unified Communications is Scalable and International with unlimited, free, planet-wide, extension-to-extension, all with a web-based Administrator Control Panel (ACP) to help you manage all your features. Promotional plans: Hosted PBX Basic - $9.95/month Sip Trunking Basic - $4.95/month

Your team's communication center. Team messaging, video+audio calling and productivity apps are just a few of the many features available to you. Flock makes collaboration and communication easy. All the features you need in one simple-to-use tool. Flock's all in one messaging, video conferencing and productivity tool makes it easier to work smarter. Flock's powerful, built-in video conference feature will keep you connected. You can have up to 20 people meet in real time. Screen sharing is possible with just one click. Flock's powerful search allows you to find any file, message, or link shared by others. To optimize project management, you can use our powerful suite business collaboration tools, including Shared To-Dos and Polls, Note Sharing, Polls, Note Sharing, Reminders and more. Flock has over 50 integrations to tools such as Twitter, Googe Drive and Todoist. Flock allows you to add your apps with just one click. You won't need to switch between tools to get the job done.

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.

Discover how the Telnyx API is a developer-friendly tool that can transform your business communications. Telnyx is a communication platform that can be customized to meet your specific needs. Our network was designed with real-time communication in mind. We can deliver high quality calls, messaging, data, and data all over the globe. Our SMS API makes it easy to create reliable messaging. Two-factor authentication via SMS or voice codes is a great way to protect your data. You can plug and play your VoIP setup within minutes. Get carrier-grade voice and elastic SIP trunks. You can rest assured knowing that you are protected in the event of a network outage thanks to our cloud-agnostic approach. Telnyx enables communications to be deployed exactly according to specifications.

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.

Hosted VoIP solution with European focus, but presence in more than 165+ countries. Premium Plus is the basis of all our solutions, so you get the best quality at the lowest price. All numbers can be used to identify you, including your Geographic, National, TollFree, UIFN, Mobile VoIP, Elastic Pool, and many other types of numbers. We also have a SoftPhone, and will soon launch other Roaming products.

*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.

Sococo is a virtual office where distributed teams can work side-by-side every day, regardless of where they might be located. Working in an organization's online office can be more productive than working on the same floor or in a single room.

Monster VoIP was founded to deliver superior voice quality and maximize uptime to customers anywhere in the United States, including L.A., New York, Washington, D.C., Houston, Dallas, Chicago, and beyond. It also provides unparalleled customer service and satisfaction. To ensure geo-redundancy, we set up data centers in Las Vegas and New York, Dallas, Minnesota, and Chicago. All endpoints were multi-registered at each facility. This is a fancy way to say that you can expect exceptional voice quality and unmatched business phone uptime from multiple locations. We made sure to provide a complete suite for communication tools on one platform. This means that you and your team need only to learn our user interface for all communication needs. We decided to fulfill our customer satisfaction promise by providing personalized setup and ongoing 24/7/365 support for every business VoIP customer who walks through our virtual doors.

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.

Yeastar CloudPBX (legacy) is a future-ready phone system that is ideal for small businesses. Linkus UC Clients will give you easy access to remote working and enhanced call efficiency on any device. Hosted deployment is free of upfront hardware costs and virtually eliminates overheads for management. Yeastar's hosted solution is easy to use and has full compatibility features. Any migration or upgrade will be seamless. * Please note that Yeastar P-Series PBX System is the new Yeastar Cloud PBX that comes with versatile call center features and unified communications features.

Experience a dependable and secure solution tailored for your online business needs. Everything necessary to kickstart your venture is at your fingertips. Enjoy a user-friendly control panel designed for effortless website management. Our team of seasoned support technicians is readily available to assist you. You'll also gain access to an extensive library filled with pre-configured web applications perfect for your site. By partnering with Sherweb, your trusted cloud ally, you’ll be amazed at the possibilities that lie ahead. Our comprehensive cloud management platform, designed to adapt to changing business demands, enables IT professionals to utilize flexible solutions backed by exceptional service from reliable experts. With a foundation rooted in cloud technology, IT professionals can rest assured knowing our continually growing selection of innovative products has been carefully curated and vetted, featuring unique proprietary software you won’t find elsewhere. We provide a robust and mature platform that allows you to balance time efficiency with cost savings seamlessly. Furthermore, you can automate and connect nearly any process by harnessing our state-of-the-art APIs, ensuring your operations are both efficient and effective. With Sherweb, the future of your online business is bright and full of potential.

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.

Introducing an unparalleled UCaaS solution crafted to drive the success of Service Providers. Stand out in the competitive landscape by utilizing a fully customizable white label offering that enhances your brand identity. KAZOO, the comprehensive UC platform from 2600Hz, provides the adaptability essential for delivering an exceptional communication experience. Equip your clients with a communication solution that fosters their achievements. With over 300 APIs at your disposal, you can tailor a solution that empowers your customers to enhance their business operations. Customizing your offering under your own brand allows you to strengthen your market presence. The low initial investment facilitates a swift launch while ensuring you remain price competitive. With robust reliability and geo-redundancy features, your clients will experience uninterrupted service. The mobile-ready functionality allows your customers to conduct business anytime and anywhere. KAZOO operates as a multi-tenant platform, giving you the opportunity to diversify your sales strategies. You can opt to onboard resellers, sell directly, or implement an agent model to maximize your reach. This flexibility can significantly enhance your operational capabilities and service offerings.

Imagine your customers being able to communicate with you in a seamless way. All communication channels, including SMS, chat, messaging, social media, and SMS, are now integrated in one interface that aims to simplify communication. We have a lot more in store for you. Register now to be the first to receive Flex. Flex by Vonix allows you to chat, call, text, message, and socialize with your business profile using one mobile app. All your business phone features will be available to you from your mobile phone, just as if it were in the office. You can text or message customers and also transfer entire conversations using the internal collaboration features. Keep everyone updated by syncing conversations to customer records. Access business calling features like interactive voice menus, day/night mode, voicemail transcription & more. Customers can communicate with you via their preferred method to improve customer satisfaction and speed up resolutions.

MaxContact is compatible with sites with 6 to 1000+ users. MaxContact has clients in all sectors, including BPO's and financial services providers. MaxContact is a trusted supplier to many of these market leaders.