Best Free Telephony Software
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Compare the Top Free Telephony Software as of March 2026
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What is Free Telephony Software?
Telephony software is a type of communication technology that enables voice and video communication over telephone systems, computers, and the internet. These platforms are designed to manage, route, and track phone calls, messages, and multimedia communications within businesses or personal environments. Features of telephony software often include VoIP (Voice over Internet Protocol) support, call routing, interactive voice response (IVR), voicemail, call recording, and integration with customer relationship management (CRM) systems. Many telephony systems also include analytics tools for tracking call volumes, durations, and customer interactions. By improving communication efficiency and providing scalable solutions, telephony software is crucial for businesses looking to streamline their communication infrastructure. Compare and read user reviews of the best Free Telephony software 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
Kixie PowerCall & SMS
Kixie
Kixie is a revenue engagement platform that helps teams connect faster, sell smarter, and scale efficiently with AI-driven automation and seamless CRM integration. ✔️ Outbound Sales: Increase connection rates by up to 400% with AI-powered Local Presence Dialing, Multi-Line PowerDialer, and Spam Risk Reduction. ✔️ Marketing: Automate calls and texts for instant follow-ups and personalized, scalable outreach. ✔️ Inbound Sales & CS: Streamline workflows with CRM-based call routing, shared SMS inboxes, and automated responses. ✔️ RevOps & Leadership: Optimize team performance with AI-powered call insights, live coaching, and real-time analytics. 🚀 Boost productivity and revenue with Kixie. Visit our website to get started for free today, no credit card required! -
3
DID Global
DID Global
DID Global is a telecommunications partner for your business, providing communication and data services based on VOIP services and other small and wide spectrum technologies. Our services are chosen when they want to provide their business with rapid scaling, reduced advertising costs and increased sales. We operate in more than 150+ countries around the world offering the best conditions for our customers. Our services - VOIP telephony - PBX - Virtual (DID) numbers - SIP Trunk - SPAM checker - SMS service mailing All your customer communication solution in one place. Scale up and open the world to your business with DID Global.Starting Price: $10/users -
4
MyOperator
VoiceTree Technologies
MyOperator is India's largest Call + WhatsApp platform, catering to 15000+ businesses including NCERT, Amazon, Lenskart, Apollo, and Myntra. With a suite of offerings like integrated Call + WhatsApp, Dialer App, 360-degree Campaign Management, Office IVR, toll-free number, call analytics, cloud call center, SMS/WhatsApp campaigns, and CRM integration, MyOperator empowers your team to convert every customer interaction into a business opportunity. ✅ 15000+ Brands using Call + Whatsapp to cater to their customers ✅2.5+ Billion Conversations managed through MyOperator platform ✅ Highly rated on Google, G2, and Capterra ✅ 99.9% uptime with multi-geographu redundancy ✅ Automate service through Voice and WhatsApp bots ✅ Build intelligent WhatsApp campaigns/ auromations to engage customers ✅ Run customer service on VoIP-ready Contact Center with WhatsAppStarting Price: ₹200/month -
5
Freshcaller
Freshworks
Freshcaller is a simple and reliable cloud-based contact center software that helps businesses connect with customers in an affordable way. With phone numbers in 90+ countries, Freshcaller lets customers set up their contact center in a few easy steps, and with zero phone hardware. Freshcaller integrates with several CRM and Helpdesk tools, enabling sales and support teams to work seamlessly. With powerful reporting and analytics, admins can get real-time insights into their customer experience as well as agent productivity. Agents can take calls on their desktops, laptops, or phone (both Android and iOS), to create a fully remote but connected contact center. Admins can add agent licenses, purchase additional numbers, add phone credits, and upgrade the pricing plan. Freshcaller is a truly modern and reliable phone system that is trusted by over 7000+ customers worldwide.Starting Price: $15.00/month -
6
DialMyCalls
OnTimeTelecom
Send bulk text messages, automated phone calls and emails to entire contact lists in seconds. Set up a free account and get started today! Use our mass notification app to send out automated phone calls to a list of phone numbers in seconds. We make it easy for you to create, schedule and send your automated phone call to all your contacts at once. Quickly and easily send mass text messages to an entire list of phone numbers at once using our mass notification service. DialMyCalls offers both long code and short code text messaging. Reach your audience immediately! Our free bulk email feature allows recipients to listen to your recording or read your text message via email. Include email addresses in your contact file, and you’ll be ready to send your mass notification! DialMyCalls’ mass notification solution is easily accessible on your favorite mobile device. Just download the app and send your notifications from anywhere.Starting Price: $7.49 per month -
7
ASTPP
ASTPP
#1 Open Source VoIP Billing Solution ASTPP has been empowering various VoIP businesses and service providers with its amazing Open Source VoIP solutions. It is regarded as one of the top VoIP billing solutions and the #1 open source FreeSWITCH-driven Class 4 and Class 5 Softswitch Solutions, which automates invoicing and billing processes completely. ASTPP is one of few solutions that support the N-level reseller structure. It uses cutting edge technologies like FreeSWITCH and OpenSIPs as core technologies to provide the most robust, reliable, and scalable solutions. ASTPP is a smart telephony platform, which has a suite of smart VoIP telephony solutions to offer to service providers and businesses, including, but not limited to: Class 4 Softswitch Class 5 Softswitch VoIP Billing Calling Cards Multi Tenant IP PBX DID Management FreeSWITCH Billing FoIP (Fax Over IP) STIR/SHAKEN Call Forwarding SIP Trunking MVNO Billing Mobile Dialer -
8
Retreaver
Retreaver
Retreaver is a cloud-based call tracking and routing platform built for performance marketers, agencies, and brands. We help you tag, route, and optimize inbound calls in real time connecting each caller to the right agent, department, or buyer using custom logic and data. Track conversions, measure ROI, and personalize experiences with CRM integrations, caller profiles, and real-time tracking. Our flexible tag system gives you full control over routing, analytics, and call flow optimization. What sets us apart is hands-on, responsive support. No tickets, no waiting just real help when it counts. We also offer seamless integrations with tools like RedTrack, ClickFlare, and TrueCall to give you a complete performance marketing toolkit. With no contracts, no hidden fees, and performance-based pricing, Retreaver is built to scale cleanly and transparently with your business. Explore more on our socials, book a personalized demo, or share your experience with a review.Starting Price: $1.00/month/user -
9
Issabel
Issabel
Issabel is an open source unified communications platform that consolidates IP communication services into a single system, surpassing the constraints of a conventional PBX by integrating features such as call center capabilities, email, management reports, fax, video call meetings, audio recording, and CRM and platform integrations. It offers a robust, flexible, and easy-to-use call center module designed to efficiently automate and manage contact centers, handling both incoming and outgoing call campaigns through an intuitive agent console and call management interface. Issabel streamlines PBX solutions for service providers, enabling the management of multiple clients from a single instance, simplifying administration without the need for separate servers for each client. To enhance functionality, Issabel supports add-ons crafted to seamlessly integrate with the platform, adding features that interact with telephony to improve customer service and automate actions for support.Starting Price: Free -
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NextGenSwitch
Infosoftbd Solutions
NextGenSwitch is a programmable API-driven communication platform designed to revolutionize voice and message communication solutions for businesses of all sizes. This versatile platform integrates a comprehensive suite of communication tools, including PBX, Call Center, and Call Campaign solutions, into a unified and scalable platform. Designed to streamline operations and enhance customer engagement, NextGenSwitch offers seamless CRM integration for better data management and workflow efficiency. Additionally, it includes a Click-to-Call feature that simplifies outbound calling by allowing users to initiate calls directly from their CRM, website, or other digital platforms. Features: Call Routing & AI Based IVR Voicemail & Call Recording Extensions & Hotdesk Campaign and Survey Automatic Call Distribution (ACD) Real-Time Monitoring & Analytics AI Assistant integration Twilio alike APIStarting Price: Free -
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FluentStream
FluentStream
Do you want a business phone service that works without costing a fortune in setup or monthly fees? Wouldn't it be nice to focus on your customers instead of spending hours on hold with your provider every time you want to make a small change? Welcome to FluentStream! We're committed to being the easiest business communication system to do business with. We offer no-contract plans with 24/7 client success for every account. Not only will we hold your hand throughout the entire onboarding process, but we'll do everything on your behalf (including the hassle of calling your internet provider). We know how complicated phone setup can be, and we're more than happy to do the heavy lifting so you don't have to. It's all part of being the easiest business to do business with.Starting Price: $20.00/month/user -
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VoipNow
4PSA
VoipNow is a Cloud communications platform built for service providers and organizations in need of robust enterprise PBX, voice, video, presence, instant messaging, conferencing, faxing, and contact center features.Starting Price: $145.00/month/user -
13
Asterisk
Sangoma Technologies
Asterisk is an open source framework for building communications applications. Asterisk turns an ordinary computer into a communications server. Asterisk powers IP PBX systems, VoIP gateways, conference servers and other custom solutions. It is used by small businesses, large businesses, call centers, carriers and government agencies, worldwide. Asterisk is free and open source. Asterisk is sponsored by Sangoma. Today, there are more than one million Asterisk-based communications systems in use, in more than 170 countries. Asterisk is used by almost the entire Fortune 1000 list of customers. Most often deployed by system integrators and developers, Asterisk can become the basis for a complete business phone system, or used to enhance or extend an existing system, or to bridge a gap between systems. Build your own custom system with Asterisk? Buy a powerful, low-cost turnkey system based on Asterisk? Discover which option is right for you.Starting Price: Free -
14
VirtualPhone.com
VirtualPhone.com
Virtualphone.com’s Web Button allows you to engage with your customers using their preferred method of communication. Customize your Web Button to connect your customers to the right people using chat and voice conversations. Your customers can reach you anytime by clicking on a Web Button link on your website, online advertisement, email signature or online document. Give your employees the ability to manage all your business communications easily and effectively through their computer or smartphone. Remote, mobile and home-based workers can receive and place calls from any location with Internet access. All calls placed through Softphone will display your business Caller ID. Start making calls now. Download the VirtualPhone.com app for your desktop and mobile devices. All phone numbers come with advanced call management capabilities. Toll free and local numbers in 120+ countries. Get your own international toll free number.Starting Price: $5 per month -
15
MongoTel
MongoTel
Enjoy an intuitive, customizable approach to business telephony whether you’re a nationwide corporation, mom-and-pop shop, or MongoTel certified reseller. From flexible features for teams of any size to mass deployment in seconds, MongoTel is cloud-native, from the ground up. Personalization tools for users, streamlining controls for admins, and novel abilities for callers make for more meaningful contact. Our unique fusion of a certified installer network plus first-party tech support is the ideal way to deliver the most productive and rewarding user experience. At MongoTel, help is near. Literally. Our support team is composed of the same talents who built and maintain our proprietary technologies in the first place. MongoTel’s cloud-based phone ecosystem gives you the power to connect to each client on the individual level, whether they’re a business entity or an individual human. Our tools enable you to sell to those who need what you offer.Starting Price: Free -
16
Splicecom
Splicecom
A powerful platform that brings together the people, messages, and apps you need to respond quickly and communicate effectively as a team. A conversation can take many forms depending on the user's device of choice, where they are, and how quickly they need a response. Telephones and emails are still the leading business conversation tools. Live web chat requires a reply in real-time so you need to staff appropriately. While many consumers prefer to use smart devices and social media-based conversation Apps like WhatsApp Business, Facebook Messenger, etc. Splicecom Media Apps offer multi-media communication solutions delivered to Shared Inboxes ensuring your teams are in control; perfect for businesses of any size and industry. The Splicecom family of Unified Communications devices comprises affordable entry-level phones, context-sensitive IP system phones, keyless touchscreen desktop phones, and IP softphone apps for Windows and Apple Mac computers, smartphones, and tablets.Starting Price: Free -
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VoipBuster
VoipBuster
VoipBuster is a free program that uses the latest technology to bring free and high-quality voice communications to people all over the world. When you use the free VoipBuster software, you can call regular phones in various popular destinations for free or call at an incredibly low rate to any other phone on the planet. You can also call all your online friends (pc-to-pc calls) for as long as you like, for free. Just click here to download VoipBuster; the download should take only a few moments depending on your connection speed. With VoipBuster you can call and SMS anywhere in the world at the lowest rates possible. And best of all, you can call several popular destinations for free! Rates are charged in cents per minute and calls are rounded up to the next minute. All rights reserved. Rates are subject to change without notice. Please note that you will be charged a set up fee of 5 cents on phone-to-phone calls.Starting Price: €2 per month -
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VoipStunt
VoipStunt
VoipStunt is a free program that uses the latest technology to bring free and high-quality voice communications to people all over the world. When you use the free VoipStunt software, you can call regular phones in various popular destinations for free or call at an incredibly low rate to any other phone on the planet. You can also call all your online friends (peer-to-peer calls) for as long as you like, for free. Just click here to download VoipStunt; the download should take only a few moments depending on your connection speed. With VoipStunt you can call and SMS anywhere in the world at the lowest rates possible. And best of all, you can call several popular destinations for free! Rates are charged in cents per minute and calls are rounded up to the next minute. All rights reserved. Rates are subjected to change without notice. Please note that you will be charged a set-up fee of 5 cents on phone-to-phone calls.Starting Price: Free -
19
Teloz
Teloz
Teloz cloud contact center allows employees, customers, and other integrations to all work together on one system, and also improve your company’s productivity and efficiency. Strengthen your company by consolidating all of your critical communications into a single platform. Behold one of the most powerful cloud phone systems on the globe. With a cooperative contact center, you can provide seamless consumer and operator experiences. Discover chances with industry-leading data and include the apps your teams require. With calling features that expand and assist your business, you can provide the experience your consumers demand. Enhance the value of your voice solution with intelligent routing, workforce performance analysis, connections, and other features that enrich the interaction and satisfy your customer's Teloz cloud contact center. We know the enormous consequences your company is facing.Starting Price: $3.99 per month -
20
TNS Enterprise Branded Calling is an industry-leading solution integrated into major wireless networks, delivering enriched calling experiences to over 300 million consumers across Verizon, AT&T, and T-Mobile. Displaying your brand name, logo, and call intent on recipients' devices, helps increase contact rates, improve call durations, and provide a competitive advantage for your brand. This solution ensures that only authenticated calls have enhanced rich call data, protecting your brand from becoming a target for spoofing and maintaining consumer trust. TNS has over 10 years of experience in call identification and branded caller ID solutions, handling billions of branded calls for millions of subscribers. The platform is utilized across various industries, including healthcare, travel, retail, education, financial services, and insurance, to enhance customer engagement and operational efficiency.Starting Price: Free
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21
Numberify
Numberify
Numberify is an all-in-one U.S. phone number platform offering services such as number parking, custom vanity numbers, affordable global calling, and SMS verification. Users can transfer their existing numbers or select new ones, including memorable vanity options, and manage them through the Numberify mobile app, available for both Apple and Android devices. It allows users to keep their U.S. numbers active without service interruption, providing free incoming calls and texts. For those needing to receive SMS messages, like bank verification codes. With low international calling rates, users can stay connected worldwide without the need for a VPN. Numberify also emphasizes privacy by enabling users to have a secondary number for online registrations, keeping their personal numbers private and secure. The setup process is straightforward: choose or transfer a number, complete payment, and start using the service via the app.Starting Price: $0.002 per minute -
22
Voxbay
Voxbay
Voxbay is an AI-powered, cloud telephony and unified communications platform designed for businesses of all sizes. It delivers a comprehensive contact-center solution featuring multilevel IVR, predictive dialer, virtual numbers, call masking, conferencing, live call monitoring and transfer, call recording, lead and ticket management, SMS/WhatsApp messaging, and AI-driven call routing. It seamlessly integrates with CRM systems such as Zoho, automatically logging interactions, and supports global virtual numbers from over 65 countries. It provides real-time agent dashboards, performance tracking, automated notifications, and social media connectors. With 99.9 % uptime, robust security, and scalable deployment, Voxbay streamlines inbound and outbound communication, optimizes workflows, and enhances customer engagement through centralized control and intelligent analytics.Starting Price: Free -
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Vozelia
Vozelia
Vozelia has been part of Sewan since 2017. Sewan is the reference voice over IP telecommunications operator for companies, a pioneer in the IP telephony sector in Spain with more than 10 years of experience. Sewan Communications is part of the Sewan Groupe, one of the most innovative and recognized companies in France. Sewan offers a white label model that redefines the "turnkey" concept, oriented to the demand of today's customers and companies, as well as the management of tomorrow's telecommunications operators and distributors. All of this is done through our All-In-One platform, Sophia , which features simple, automated management for setup, auto-provisioning, and billing from a single interface. Discover all our professional, simple, scalable and automated telecommunications solutions. You will be able to enjoy IP Telephony through your smartphone or Tablet, using an IP Telephone or by placing an ATA transformer in your analog telephone.Starting Price: $8 per month -
24
SessionCloud
SessionTalk
SessionCloud is a powerful platform for building softphone applications. We have a solution for you whether you are a startup ITSP with just a hundred users, a more established VoIP provider or a PBX vendor supporting multiple companies. When you first login to your SessionCloud account you will be presented with the main Projects view which will be empty. Tap the 'Create App' button to start. Select a plan and then choose a name for your app, please note this cannot be changed later and will be used to identify your project throughout the portal. The main project view will show the newly created project. All projects will be listed here together with the status. To start customising select 'Edit' from the Actions menu on the right hand side. In the Project detail view there are a list of categories. Depending on which Plan was selected this category view will differ.Starting Price: $13 per month -
25
SparkTG
SparkTG
SparkTG is revolutionizing the cloud telephony industry by offering cutting-edge cloud IVR solutions. Talk to us to know what all we can bring to your business as the IVR service provider. Every organization needs to create a trust for its customer to generate more sales, provide the best service, and generate bigger profits. SparkTG helps you build that trust with your customers when they call you. At SparkTG, we offer 99.99% uptime; almost no downtime to hinder your business. Incase of any issue, we still ensure the calls remain online and there is always a backup. The audio is very high quality. We ensure 24/7 network monitoring to solve the issues even before they can start to affect your business. Our customer support team is active 24/7. All calls are encrypted for high-grade security, which means that you can use Transport Layer Security (TLS) and Secure Real-time Transport Protocol (SRTP).Starting Price: $5.00/month/user -
26
SureTel
SureTel
SureTel believes in a hands-on approach with our business telephone clients. Our business VoIP phone professionals are always available to discuss your particular situation or give you a demo of our platform. We know once you see it you will be impressed too. Call our business VoIP team at 833-SURETEL(787-3835) or speak with our online representative using the chat feature on this website. We don’t nickle and dime our customers. Every feature we have is included in all our services. Worried about up-front costs. We have your back, rent phones from us and we will manage everything! Worried about up-front costs. We have your back, rent phones from us and we will manage everything! Worried about up-front costs. We have your back, rent phones from us and we will manage everything! Our platform can support any custom feature. Check out our Idea Portal to see what’s in the works.Starting Price: $19.99 per month -
27
CompletePBX 5 IP PBX
Xorcom
Virtual IP PBX (Private Branch Exchange) or Phone System Appliance – CompletePBX is the heart of Xorcom hardware and software phone systems. Built on top of the solid Linux and Asterisk platforms, it’s built for stability and performance. CompletePBX was designed from the ground up to combine ease of use, advanced features and security at every level. Download free, fully functional CompletePBX 5 VM – evaluation virtual machine now! Check out our FREE online certification training course that will take you step by step through all the basics of CompletePBX system. Save a lot of time and effort by trying to go at it alone. Let us help you get there faster. -
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Noda Contact Center
Noda Interaction Platforms
Noda Contact Center is an all-in-one IP solution that caters numerous companies in different industries like Jaguar Landrover, Inter RAO, MTS, and more. Noda Contact Center features and all-in-one solution for inbound ACD, Outbound, Quality management, IVR, Reporting, Agent Scripting, and more. Noda Contact Center can handle a heavy flow of phone calls with a guaranteed fault tolerance of 99.99%. -
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Vodia PBX
Vodia Networks
Vodia Networks offers a SIP PBX platform that runs smoothly across cloud, on-premise, and hybrid setups. Our PBX supports a broad range of devices, including SIP phones, softphones, and WebRTC clients, to help businesses communicate flexibly across locations. Our Session Border Controller (SBC) has been certified by Microsoft for Microsoft Teams, and our PBX features AI-powered real-time call transcription using OpenAI’s Whisper technology. Vodia supports easy deployment through prepaid cloud PBX instances and traditional installations across various environments. Our phone system integrates with some of the world’s best business software, including ActiveCampaign, CallSmart, Cliniko, HighLevel, Microsoft Dynamics 365, monday.com, Shiji PMS, UPilot, and other industry-standard business communications platforms, so our customers can deploy cutting-edge business tools alongside our best-in-class, feature-rich cloud phone system. -
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PopTox
PopTox
PopTox lets you make free VoIP calls from your PC or smartphone using WiFi or internet only. You can use PopTox from any standard web browser. No need to download apps or plug-ins. Absolutely no payment is required. Simply enter the phone number and click on the “Call” button to start your first free call. Make entirely free calls using our web based free calling app! You can now make free online calls right from your web browser. With PopTox, there is no need to download any app or plug-in. You can now call via internet as long as you have a modern web browser such as Chrome. Once you are on PopTox home page, you will see a dialpad. Select the country from the drop down that you want to call and enter the destination phone number. You will not be required to enter the country code. Just select the destination country from the drop down and enter the phone number without the country code.Starting Price: $10 per month
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