List of the Top 17 Free Softphone Applications in 2025

3CX is a versatile, software-driven IP PBX built on open standards that delivers comprehensive Unified Communications straight out of the box. It caters to businesses of all sizes and across various sectors, offering a full suite of features that range from mobility and presence indicators to sophisticated call center functionalities, all at a significantly reduced cost. This platform is particularly well-suited for remote work environments, featuring mobile applications, video conferencing capabilities, and live chat integration for websites. Installation, management, and maintenance of the PBX are straightforward, allowing users to easily handle it themselves on their own hardware, a dedicated server, or via a cloud environment. Alternatively, users can opt for 3CX's hosting services to simplify their setup even further. With its user-friendly design and extensive feature set, 3CX empowers companies to enhance their communication strategies effectively.

Zadarma provides a business phone solution that eliminates the need for extensive wiring or complex hardware setups. Their services include VoIP, Cloud PBX, CRM functionalities, and website widgets, along with seamless integration with leading CRM platforms. Additionally, virtual phone numbers can be obtained in 100 different countries worldwide, starting at just $2 each month, making it an affordable option for businesses of all sizes. This flexibility allows companies to streamline their communication processes while maintaining a global presence.

We effortlessly identify the best phone line for connecting your calls. Our continuous evaluation of call traffic guarantees that you benefit from the most competitive pricing available. With the cutting-edge Red Box, we customize your experience to suit your unique preferences and calling habits. International calling is made easier, reliable, and cost-effective, all while taking your personal calling patterns into account. Start your adventure with Rebtel to access affordable international calls through our intuitive app, which is designed to be quick and simple. Rebtel allows you to link any phone to another, regardless of your location in the world. Our innovative system improves your international calling experience by leveraging local phone lines, ensuring both savings and outstanding call quality. By directing your calls through local lines, you eliminate the necessity of an internet connection and the anxiety of dropped calls. This setup allows you to enjoy the advantages of low international rates while experiencing the clarity and dependability of a local call. Additionally, our service enables you to maintain connections with friends and family worldwide without straining your budget, making it easier than ever to stay in touch. With Rebtel, you can truly experience seamless communication on a global scale.

conXhub focuses on cellular software and competes in the same space as VoIP services. Our innovative technology allows for the smooth integration of data and cellular services, linking a single mobile device to a worldwide call-center network. You can economize by using your current devices, eliminating the necessity for new equipment or phone systems. For businesses of all sizes that rely on VoIP, we provide an alternative solution that leverages the strengths of mobile networks, effectively resolving problems like power outages, internet disruptions, call quality challenges, security issues, and the need for flexible work solutions. This means that your communication infrastructure can be more resilient and adaptable to the dynamic demands of modern business.

You and your team can consolidate all incoming calls and WhatsApp messages to a single phone number to prevent any confusion for your customers. By using one Heyo Phone digital number, every staff member can be easily connected, ensuring that all business communications remain efficiently managed. You can integrate WhatsApp with Heyo Phone, granting your team shared access to enhance collaboration. It's essential to ensure that all calls are attended to without any missed opportunities. Furthermore, analyzing recorded calls can help refine your team's skills and improve their sales techniques. With a unified number for handling calls and WhatsApp messages, your receptionist or staff can effectively monitor and analyze all interactions. The system's intelligent call routing feature enables optimal distribution of calls and messages among team members. Establishing connections with WhatsApp callers fosters stronger relationships, paving the way for repeat business and customer loyalty. This streamlined approach ultimately enhances your overall communication strategy and boosts customer satisfaction.

Grandstream Wave is a free softphone app that allows users to make and receive voice calls through up to six distinct SIP accounts, whether they are at home or traveling anywhere globally on their Android devices. It supports various codecs including G.711µ/a, G.722 (for HD audio), G.726-32, G.729, GSM, iLBC, Opus, and Speex, which ensures superior call quality. The application features strong security measures such as SIP over TLS and encryption options using 128/256-bit SRTP to safeguard communications. Additionally, users can engage in audio conferences with up to six participants and take advantage of 24 virtual BLF keys, making it particularly suitable for teamwork and collaboration. With the capability to manage six SIP accounts, it seamlessly integrates with mobile devices and comes with features like call history, contact lists, and customizable ringtones. Moreover, it offers advanced enterprise functionalities such as integration with IP PBX systems, call transfer and pickup, BLF, call recording through UCM, and LDAP support. Users also benefit from automatic call forwarding that can be adjusted based on time and location rules, providing enhanced flexibility. The app fully integrates with Grandstream’s UCM series of IP PBXs and enables users to generate QR codes for swift provisioning with ease. Additionally, it allows for voice channel switching between Bluetooth, earphones, speakerphones, and 3.5mm headsets, and it supports two-way video calls using SIP and the H.264 video codec, significantly broadening its utility as a communication tool. Ultimately, Grandstream Wave stands out as a comprehensive solution catering to various personal and professional communication requirements, making it an invaluable asset for users.

Our platform is fully equipped with all the essential features necessary to operate either a large enterprise call center or a small home-based business with five agents. With our innovative, patent-pending blockchain technology, we offer a comprehensive solution that encompasses inbound and outbound calling, live chat functionality, quality assurance measures, user-friendly drag-and-drop scripting, and detailed reporting capabilities, among other tools. Additionally, we provide standard features such as open APIs and a flexible infrastructure that can rapidly scale to accommodate even the most demanding program specifications. You can access all the vital tools needed to efficiently manage your contact center without breaking the bank. This ensures that both small and large operations can benefit from our cost-effective solutions.

Express Talk software functions similarly to a traditional phone, enabling users to make calls directly from their computers. This application permits users to reach anyone who has Express Talk installed or utilizes any other SIP VoIP softphone, making all calls at no cost. Additionally, by registering for a gateway service, users can connect with standard telephone numbers worldwide. It is compatible with all prominent VoIP SIP service providers and operates using the SIP protocol, ensuring seamless communication. This versatility makes it an attractive option for both personal and professional use.

Google has officially launched its phone call application, marking its first appearance in the app market. This innovative app streamlines the process of connecting with friends and family while offering features to block unwanted spam calls and providing caller identification to help users make informed choices before answering. It notifies users of potentially suspicious calls, enabling them to avoid telemarketers, scammers, and spammers, and also includes the functionality to block specific numbers for enhanced privacy. With its powerful Google Caller ID feature, users can easily recognize incoming calls from businesses, leading to more assured interactions. Furthermore, the Call Filter feature efficiently manages calls from unknown numbers by automatically filtering out spam and sharing valuable information about unfamiliar callers. Users can also access their messages without the need to dial into voicemail, as the app allows them to view or listen to messages in any order, read transcripts, and oversee their messages conveniently within the application. The app is designed with user-friendliness in mind, making it simple to access contacts with just a single tap. Ultimately, this new application seeks to improve the overall calling experience by providing essential tools and a smooth interface to its users. By integrating advanced features, Google aims to redefine how we engage in phone communications.

VoipBuster is a free application that utilizes advanced technology to enable users to make high-quality voice calls globally without charge. By using the VoipBuster software at no cost, individuals can connect with regular phones in various popular regions for free or reach any phone worldwide at very affordable prices. Furthermore, users can take advantage of unlimited free calls to their online friends through PC-to-PC calls without any limitations on duration. To begin using this service, simply click here for a quick download of VoipBuster, which will vary in speed based on your internet connection. With VoipBuster, not only can you make calls and send SMS messages internationally at competitive rates, but you also gain access to free calls to selected popular destinations! Be mindful that calls are charged by the minute, rounded up to the nearest minute, and there is a nominal setup fee of 5 cents for phone-to-phone calls, with all rates potentially changing without prior notification. In an age where effective communication is essential, VoipBuster proves to be an excellent option for those looking to save money while staying connected. It offers a user-friendly interface that makes calling simple and efficient, appealing to both casual users and those who frequently communicate internationally.

VoipStunt is a groundbreaking application that harnesses advanced technology to enable free and high-quality voice communication across the globe. By using the VoipStunt software at no cost, you can connect to standard phones in various desirable locations without any charges, or take advantage of significantly lower rates for calls to any phone worldwide. Moreover, you can make unlimited peer-to-peer calls to your online contacts without incurring any expenses. To get started, just click here for a speedy download of VoipStunt, which will only take a moment depending on your internet connection. With VoipStunt, you can communicate via calls and SMS to virtually any part of the world at incredibly low rates, with numerous popular destinations available for free. Calls are charged in cents per minute, with any duration rounded up to the nearest full minute. It’s crucial to keep in mind that a setup fee of 5 cents is applied to all phone-to-phone calls. Additionally, rates may change unexpectedly, so it's wise to stay updated on any modifications! This flexibility allows users to maintain constant communication with loved ones and colleagues alike, no matter where they are situated.

Textr Go empowers you to stay linked with loved ones, interact with your social circles, and enrich your personal interactions. Take advantage of the chance to obtain a personal phone number that travels with you no matter where you go. Enjoy a reliable phone service that ensures your connectivity at an attractive price. You have the flexibility to tailor your phone plan to match your unique needs. To get started, simply complete an online application for your phone number, allowing you to keep your work and personal contacts organized separately, with the option to upgrade to unlimited texting and calling whenever you choose. In just a few minutes, you can secure a free phone number in Canada or the US. With plans beginning at $0 per month for texts and calls, you can adjust your phone plan whenever and wherever suits you. You have the option to prioritize key contacts on your main number, while also managing communications from unfamiliar numbers on a secondary line. This global mobile number lets you make calls and send messages with ease. By utilizing WiFi, you can connect with anyone, anywhere, all at some of the most competitive rates on the market. Furthermore, you have the ability to select your desired area code, craft a personalized voicemail greeting, or pick a stylish profile that reflects your personality. This level of customization not only enhances your communication experience but also ensures that it aligns perfectly with your individual preferences and lifestyle choices. Ultimately, Textr Go is designed to provide you with the freedom and flexibility to communicate as you wish.

008 Agent stands out as a groundbreaking, open-source softphone that utilizes artificial intelligence and operates on an event-driven framework to revolutionize VoIP communications. Users can effortlessly initiate calls, meticulously document call events and interactions, and seamlessly transfer call data to their preferred CRM systems and tools. One of the platform's notable features is its speech-to-text transcription capability, which allows for the conversion of spoken conversations into written text, facilitating automatic integration into CRM or other applications. Future developments are set to introduce sentiment analysis, enabling the tracking of caller emotions throughout conversations, along with summarization tools that efficiently condense information and spotlight key insights. Furthermore, a customizable conversational agent powered by sophisticated language models will empower users to craft tailored interactions that cater to their specific needs. Designed to be compatible with macOS, Windows, and Linux, and accessible through the web, 008 Agent offers an adaptable solution suitable for various professional environments. This multifaceted approach positions 008 Agent as an advanced tool in the ever-evolving landscape of communication technology, paving the way for more efficient and effective interactions. With its focus on user-centric features, it promises to enhance the overall experience of digital communication.

Maaiiconnect simplifies customer engagement by being the sole cloud-based platform that merges digital and telecom communications, empowering businesses to provide cohesive customer experiences. Experience genuine multichannel capabilities as you consolidate various channels like WhatsApp, Facebook Messenger, WeChat, SMS, virtual numbers, video conferencing, and live chat into a singular platform. This integration not only streamlines communication but also unifies customer data, CRM systems, ticketing frameworks, and valuable insights, enhancing the overall service quality. With Maaiiconnect, businesses can ensure that no customer interaction is ever missed, fostering stronger relationships and increased satisfaction.

PXO+ is an exceptional softphone for real-time communication (RTC) that boasts a vast array of customizable features, making it extremely versatile. This softphone is ideal for testing RTP and SIP functionalities, and it accommodates over 25 audio and speech codecs as well as more than 8 video codecs. Additionally, PXO+ enables scripting capabilities through VoiceXML, which enhances its functionality for various applications. It performs exceptionally in RTC quality assurance and VoIP environments, ensuring a robust communication experience. Moreover, it incorporates STIR/SHAKEN technology for enhanced security and verification of calls. Overall, PXO+ stands out as a comprehensive solution for communication needs.

The Yeastar Linkus Unified Communications application, designed to work seamlessly with both cloud and on-premises PBX systems, provides users with streamlined call management and advanced telephony capabilities on any device they choose. Additionally, it facilitates the flexibility of remote work through features such as softphone functionality, instant messaging, file sharing, and integration with CRM systems, enhancing overall productivity and collaboration.

Explore Cybtel, the all-in-one solution for your international calling, messaging, and DID number requirements. Whether you're looking to stay in touch with loved ones or handle international business, Cybtel makes it simple to communicate effectively, no matter the miles between you. Experience outstanding clarity and convenience as you address all your global communication needs, guaranteeing that each interaction flows smoothly and effortlessly. With Cybtel, staying connected has never been easier or more reliable.