Best Business Phone Systems for Linux
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Compare the Top Business Phone Systems for Linux as of April 2026
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What are Business Phone Systems for Linux?
Business phone systems are advanced communication networks designed to manage and streamline voice calls and other communication channels within organizations. They range from traditional landline systems to modern VoIP (Voice over Internet Protocol) solutions, offering features like call forwarding, voicemail, auto-attendants, and conferencing. These systems can be tailored to fit businesses of all sizes, from small startups to large enterprises, ensuring seamless internal and external communication. Many modern phone systems integrate with other business tools like CRM software to enhance productivity and customer service. Reliable and scalable, business phone systems play a crucial role in maintaining efficient operations and fostering collaboration. Compare and read user reviews of the best Business Phone Systems for Linux currently available using the table below. This list is updated regularly.
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1
3CX
3CX
3CX is a software-based, open standards IP PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry 3CX can accommodate every need; from mobility and status to advanced contact center features and more, at a fraction of the cost. Ideal for companies working remotely, 3CX includes mobile apps, video conferencing and website live chat. Installation, management and maintenance of the PBX is so easy that you can effortlessly manage it yourself, whether on an appliance or server at your premise on Windows, Linux or in the cloud. Alternatively you can choose to have it hosted by 3CX for a completely hassle-free solution.Starting Price: Free for up to 10 users -
2
Yeastar P-Series PBX System
Yeastar
The Yeastar P-Series Phone System is a comprehensive business phone system that unifies voice, video, and collaboration into a single, high-performance platform. Engineered for the modern enterprise, it replaces fragmented communication tools with a streamlined "PBX-Plus-More" ecosystem. -
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
Adversus
Adversus
Adversus goes beyond a standard business phone system. It is an outbound calling platform with workflow automation, performance tracking, and compliance tools built in. Make and manage high-volume outbound calls from a cloud-based interface with no hardware required. Supports calling in 150+ countries with 99.97%+ uptime. ISO certified and SOC 2 compliant. Designed for sales-driven organizations that need more than telephony. They need structured outbound execution and full visibility into rep performance.Starting Price: €100 pr. license -
5
VirtualPBX
VirtualPBX
VirtualPBX stands as an acclaimed Business Phone System Provider, renowned for its award-winning services. Offering industry-leading features, boasting 99.999% reliability, and competitive pricing, VirtualPBX equips businesses with top-tier communication tools for seamless unified communications. Catering to a diverse range of enterprises, from entrepreneurs to contact centers seeking a complete contact center solution. VirtualPBX serves as the ultimate destination for modern business VoIP needs. With plans starting at just $18 per month, VirtualPBX ensures accessibility and excellence in communication solutions. Get a free demo today!Starting Price: $18/month -
6
Talkroute
Talkroute
What is Talkroute? Talkroute is a UCaaS provider that gives you the ability to utilize your existing phones, web browser, and PCs with our cloud-based virtual phone system. Now you can have the power of an enterprise-level phone system without the upfront cost and maintenance of an expensive on-site system. Making and receiving business calls Our virtual phone system gives you the ability to make & receive calls from any desktop, browser, and smartphone. Texting with your customers Send and receive business SMS and MMS text messages. Our apps make it quick and easy to compose and reply to your customers. Video meetings with your team Video conferencing with up to 100 team & guest participants. Talkroute Meetings gives you the power to record meeting sessions, share your screen, chat via team messenger, collaborate using our whiteboard, & share files.Starting Price: $19 per month -
7
Insider Telecom
Insider Telecom
Get a business phone system without breaking the bank! We help small businesses in the United States get access to big business tools, while keeping prices within reach. In fact, with Insider Telecom, we provide the equipment as long as you need it. Enjoy features like caller ID, call forwarding, conference calling, intercom, auto attendant, and many more! No big upfront purchase for a complete business phone service. That's the Insider Telecom difference. Our support team knows that you probably don't speak "telephone." So they're trained to listen for and understand the root of your specific need - from training and configuration, all the way to fitting you with a different phone system. We want to be sure you're working with the right platform.Starting Price: $17.95 per user per month -
8
T-Max Phone Systems
T-Max
The Hosted Business Phone System PBX will make any company sound and function like a Fortune 500 company. Your company can have all your calls answered by an auto-attendant allowing for callers to choose departments, extensions, dial by name or many other options. If you are working on the go you can have them automatically transferred to your cell phone. T-Max is fully geo-redundant. In other words, our servers are being hosted in a top-notch data centers throughout the United States. We use multiple carriers ensuring maximum connectivity to the PSTN. T-Max uses high-quality desk phones from Polycom & Yealink, with many different models to pick from to fit your unique environment best. We offer reception consoles, agent phones, wireless phones, and conference room phones. Our Hosted Business Phone System is the best choice for the price on the market today. 1-888-245-3483 Departments Extensions Digital Receptionist Voice Prompts Voice Mail Fax Service and Much MoreStarting Price: $19.99 Mo/Ext -
9
KrispCall
KrispCall
KrispCall helps you manage your personal, business, and corporate telephony requirements all from a single app (Web, Android, iOS). Get international numbers right from the comfort of your home. KrispCall helps you own national, toll-free, local, shortcode, and international numbers (for over 100 countries) in no time. Manage your call logs effortlessly. KrispCall’s unified callbox allows you to handle and monitor your business calls, recorded conversations, texts, and voicemails all from a single window. Earn trust of your international clients by calling them through their local numbers. KrispCall offers international phone numbers for your business at the most affordable price. With our embeddable widget, you are just a click away from your customers. Clients can now call you directly without hassles by simply clicking on the KrispCall’s widget embedded in your website.Starting Price: $15 per user per month -
10
CloudTalk
CloudTalk
Searching for a smart call centre software? Try CloudTalk.io, a new-generation cloud phone system for SMEs, startups, online stores or call centers (sales and customer service teams). 25+ integrations with favorite CRM, helpdesk or e-commerce tools as Shopify, Salesforce, Pipedrive, Intercom at hand along with a 5-star rated customer success team make it easy to seamlessly migrate or set up your new cloud call centre from scratch. We are rapidly growing every month and we have already successful cooperation with 1000+ companies across the world like DHL, Yves Rocher or Karcher. Try 14 day FREE trial from CloudTalk (no credit card details required).Starting Price: $25.00/month (billed annually) -
11
XCastLabs
XCastLabs
The First and Still the Best in VoIP Communication! Our proprietary technology has been providing telecom services for over 20 years. XCast’s broad suite of products—Hosted IP-PBX, SIP Trunking, Carrier Services and Call Center Solutions—are available directly from XCastLabs or through our white label Resellers, our agent partners, carriers or call centers. XCast exceptional service, rates, and products meet the FCC standards for STIR/SHAKEN network compliance. XCast’s Hosted PBX solution is delivered over the Internet to any of your connected devices. Promotional plans start as low as $9.95 per month and include FREE Outbound minutes and a FREE Yealink Business Phone per extension. Sip Trunk Plans begin at $4.95 w/unlimited inbound minutes and free installation. Our Automatic Call Distribution (ACD) system has full reporting, automated customer callback, custom prompts, music on-hold, call recording, call monitoring (with whisper and barge-in), call transfer and more!Starting Price: $4.95/month -
12
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. -
13
Zadarma
Zadarma
Powerful Cloud Telephony for Global Businesses Zadarma offers a feature-rich VoIP platform designed for businesses that want flexibility, scalability, and professional communication without high costs. Set up your cloud PBX in minutes, manage international teams, and serve customers worldwide — all from a single interface. Key features: - Virtual phone numbers in 110+ countries - Free cloud PBX with IVR, call routing, and analytics - Integration with CRMs: HubSpot, Zoho, Bitrix24, and more - AI Voice Agent and AI-speech recognition and analytics - Apps for desktop, mobile, and browser-based calling - AI-powered voice agents and call tracking - Full control via web interface and API Ideal for remote teams, support centers, and growing companies looking to modernize their phone systems.Starting Price: $2/month -
14
TeliDesk
TeliDesk
Lowest priced phone and text service for your small and homebusiness. Why spend a bunch on phone solution for your business? A phone system made simple for everyone. TeliDesk is a self-serve platform that can be configured in as little as 15 minutes. Avoid hassling with phone systems that are complicated and take long to configure. Owning your own business means you’re in control, and your phone service is no exception. Virtual Office enables you to design your own telecom solution based on just what you need, nothing more and nothing less. Online Self-Service means you can easily make changes, anytime or anywhere. Just log in, and go! The more you call, the more you save. As your business grows, so does your discount. Automatic payments via credit card, debit card or PayPal. Prefer to pay cash? No problem. With no equipment to buy or install, our unique Virtual Office enables you to decide where calls ring. Our easy-to-use online interface lets you send calls to any existing phoneStarting Price: $9.95/user/month -
15
net2phone
net2phone
net2phone provides innovative and affordable cloud based telephony software and services to both small and mid-sized businesses and large or multinational enterprises. Our Unified Communications and Contact Center solutions provide advanced features that can be customized to suit your unique business needs while ensuring simplicity through implementation and use. net2phone’s compelling UCaaS offer combines voice, video, chat, and messaging under one platform, includes advanced features and integrations, and unlimited calling to over forty popular destination countries. uContact, net2phone’s omnichannel CCaaS solution, streamlines all voice and digital interactions, enabling contact centers to meet customers in the digital channel of their choice and integrating all touchpoints into a Unified Inbox. Other flagship solutions include SIP Trunking services, native integration with Microsoft Teams, and international connectivity capabilities.Starting Price: $17.99/month/user -
16
Voyced
Voyced
Hosted VoIP solution with a European focus and a local presence in over a 165 countries. As all our solutions are based on Premium Plus we give you the highest possible quality for the lowest price. All carry all types of numbers, from Geographic to National, TollFree and UIFN, Mobile VoIP, Elastic Pool solutions and much more. We also have our own Roaming products (physical and SIM solutions) too.Starting Price: $0.25 per user per month -
17
Bevatel
Bevatel
Bevatel is the leading company to provide integrated cloud solutions and high-quality services with professional experts and specialists and at the best prices in Saudi Arabia. Bevatel was established in 2006 with commercial registered number 1010456255 and license for contact center with number ( 42-13-192 ) in Jeddah, Saudi Arabia. And it has succeeded in helping many Saudi companies to develop their contact centers. For more than 15 years, Bevatel has succeeded in occupying a pioneer rank in advanced communications by its professional solutions for contact centers, customer service, call centers systems, and management. All these services have enabled Bevatel to be the leading company in contact center services not only in Saudi Arabia but in the Middle East generally. -
18
PBXPlus by 500apps
500apps
Virtual PBX Software PBXPlus by 500apps can supercharge your team's efficiency with unlimited extensions, call forwarding, business hours setting, and integration with your CRM. With the ability to bring your select carriers, effortlessly automate your call processes with drag-and-drop call flow creation and track your call flows to help drive revenue through improved call processes and menu options. Get access to 37+ apps with PBXPlus for $14.99 per user. Key Features: Create Unlimited Menus Outbound Dialing Call Flow Automation Business Voicemails Call Forwarding Call Analytics Voicemails Dial by Name Virtual Numbers and Many More.Starting Price: $9.99 -
19
Monster VoIP
Monster VoIP
Monster VoIP was established to distribute superior voice quality and maximized uptime to customers from here in L.A. to New York to Washington, D.C. to Houston to Dallas to Chicago and beyond, while delivering unparalleled service and customer satisfaction. We started by setting up data centers in Las Vegas, New York, Dallas, and Minnesota to ensure geo-redundancy, with all endpoints multi-registered at all four facilities. (This is just a fancy way of saying that multiple locations means you can expect amazing voice quality and unparalleled business phone uptime.) We then made sure to offer a complete suite of communication tools in one platform. This means you and your team only have to learn our easy-to-use user interface for all of your communication efforts. To make good on our customer satisfaction promise, we then decided to provide personalized setup and ongoing 24/7/365 support to every business VoIP customer that walks through our (virtual) doors.Starting Price: $27 /month -
20
Zoom Workplace
Zoom Communications
Unified business communication and collaboration tools. Reimagine how your teams work with an all-in-one, open collaboration platform with AI Companion. Streamline communication, improve productivity, optimize in-person time, and increase employee engagement, all with Zoom Workplace. Make meaningful connections with a unified solution for meetings, team chat, whiteboard, phone, and more. Reduce wasted time going back and forth between applications. Zoom Workplace provides you with a seamless, automated user experience from your mobile device or desktop Streamlined features give you the ability to initiate a call or meeting from a chat, collaborate on a whiteboard from your desktop or room, and see whether a co-worker is available with presence.Starting Price: $13.32/user/month -
21
JustCall
JustCall.io
The Cloud Phone System of choice for modern sales and support teams. End clueless conversations by adding context to every call. Call software, virtual numbers, SMS campaigns, native CRM integrations, and lots more at just $25 per user. - 100+ integrations with CRM & Business tools - Click to call from CRM - Go live in 70+ Countries - SMS Workflows & Automation - 3 sales dialers to choose from - Call queueing and forwarding - Comprehensive analytics - Conversation intelligence & much more Get 70% off on your first month!Starting Price: $30 per user per month -
22
VoIP Office
VoIP Office
VoIP Office, a leading provider of Cloud based communications, makes it affordable and easy to connect to anyone, anywhere in the world. Our communications solutions meet the needs of any type of business in any industry, from home offices to large enterprises. VOIP OFFICE is a new-generation cloud based communications provider that offers all the features of your traditional PBX along with the latest functionality enabled by the use of VoIP technology. VoIP Office integrates easily with your business applications, seamlessly integrating your desktop and your office into one interconnected system.Starting Price: $24.95 per month plus taxes -
23
Yeastar Cloud PBX
Yeastar
Yeastar Cloud PBX is a fully-featured future-ready phone system ideally suited for SMBs. With Linkus UC Clients, you will gain easy access to enhanced call efficiency and remote working agility across any device at your choice. With 100% hosted deployment, there is no upfront hardware cost and the in-house management overheads are reduced to almost nothing. Together with easy to use and full compatibility features, any migration or upgrade to Yeastar’s hosted solution will be as easy as a breeze. * 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. -
24
PhoneSpeak
PhoneSpeak
Your satisfaction is guaranteed, or your money back. You save thousands of dollars per year. No need to install, manage or maintain anything. Everything is in the cloud and instantaneous. Our data centers are hosted with Equinix, in case you don't recognize the name: They are one of the most expensive, reliable and secure providers with global footprint ensuring optimal call quality every time. Unlimited calling queues and hunt groups. Intelligent multi-level IVR capability lets you instantly route calls according to your unique business needs. Crystal clear HD call quality with all the bells and whistles. Call recording, call waiting, coivemail, HD voice quality, and everything else you want and expect from your phone service.Starting Price: $ 9.99 per user per month -
25
Vitel Global
Vitel Global
When it comes to choosing how to communicate with customers and clients, organizations realize the importance of having a phone line. Our cloud-based telephone solution gives you superior Sound Quality, Call Recording, Conference Bridging and other quality add-on experiences. Our team of expert Engineers provide technical support, helps you complete the setup, and handles all other queries or concerns you may have. By choosing our cloud based technology to manage your call requirements, you can reduce up-front capital expenditure, eliminate system management expenses and much more. Travelling? Don't want to carry your office phone with you but want the calls to come along? You can now have all your calls routed to your Cell Phone when you are not on your desk.Starting Price: $24.99/month/user -
26
OnSIP
Junction Networks
OnSIP delivers powerfully simple business communications services to more than 100,000 customer accounts. We’re proud to provide the benefits of an on-demand phone system without the high cost, burden, and inflexibility of traditional phone systems. With unprecedented pricing flexibility and no contracts, you can customize your communications by adding users and features and enjoy enterprise-level communications without commitment. Set up is easy and backed by free onboarding and award-winning, U.S-based support. Unlimited plans include a variety of features – voicemail to email, ring groups, call parking, music on hold, video conferencing, call recording, dial-by-name directories and free SIP phones for 5+ users. OnSIP’s platform is built on patented, geographically distributed technology to provide 100% redundancy and massive scalability. Enjoy the confidence that your phone system is always up and always on to keep your teams connected. Sign up for a free trial today!Starting Price: $18.95 per month -
27
2600Hz
2600Hz
An unrivaled UCaaS solution designed to empower Service Provider success. Differentiate your brand and offering in the market with a completely customizable, white label solution. KAZOO is 2600Hz's turnkey UC platform, offering the flexibility you need to provide a superior communication experience. Give your customers a communication solution that will make them successful. 300+ APIs enable you to customize a solution to help your customers do business better. White label your solution to build and maintain your brand recognition in the market. Low upfront costs let you get started quicker and stay cost competitive. Reliability and geo-redundancy ensures your customers are always online. Mobile ready lets your customers get business done when and where they need to. KAZOO is a multi-tenant platform and gives you the ability to open your sales channels. Bring on resellers, go direct, or have an agent model.Starting Price: $3.50/month -
28
Voipfone
Voipfone
Total flexibility, choose pay as you go, mix and match or an all-inclusive fully-featured plan, either way you can have exactly what you need from a modern, cloud-hosted internet phone service. All online, all controlled by you, all instantly available. No site visits, no installation, no maintenance, just plug and go. Voipfone starts for as little as £1 per month, with many clever features thrown in for free. Voipfone provides award-winning, reliable, and inexpensive advanced cloud-based internet phone services specifically designed for small businesses. Anyone can use Voipfone, you could be a brand new start-up simply needing a new phone number, a growing business needing a flexible way of supporting new staff or homeworkers, an established business needing to replace an obsolete office PBX, or switchboard. With Voipfone, you can move your phones to the cloud and have a maintenance-free, cloud-hosted VoIP PBX phone system that can be set up simply, quickly and cheaply.Starting Price: $1.38 per month -
29
Yay
Yay.com
A powerful feature-packed Cloud phone system to help your business thrive. Flexible, scalable and compatible with the devices you already use, Yay.com offers a communication solution that combines a host of of professional features with lightning fast set-up and ease of use. Built from the ground up to support businesses around the world, wherever they're based. Connect teams and collaborate across borders in minutes with a dynamic phone system that lets your teams work the way they want to. Deliver improved caller satisfaction through a range of business features such as CRM integrations, call queuing, IVR call menus and more. Get started with a free trial and discover how our phone system can seamlessly enhance your business and help you reduce your business costs today.Starting Price: $6.99 per user per month -
30
Toky
Toky Inc.
Toky is a full-featured Business Phone System that allows your customers and team to communicate efficiently, you just need a good internet connection. With virtual phone numbers from around the world, make yourself available no matter where your company is located. Integrate your CRM and business tools seamlessly, so you can call your customers with a single click and automatically log the details of every call. Take advantage of features such as call recordings, voicemails, SMS, Speech to text, with affordable rates and proven reliability.Starting Price: $20.00/month/user
