Best Softphone Applications for Linux

Empower your workforce with Yeastar Linkus, the ultimate softphone designed to turn your mobile, desktop, or web browser into a powerful office extension. Whether you’re at home, in the field, or on the go, Linkus ensures you never miss a beat.

Adversus includes a built-in cloud softphone that lets outbound sales reps make and receive calls directly from their browser, with no hardware or desk phone required. Designed for high-volume outbound calling with fast call handling, automatic lead loading, and structured post-call workflows. Reps stay focused on conversations, not admin. Works with CRM integrations to log calls and sync data automatically. Reliable infrastructure with 99.97%+ uptime. GDPR compliant and ISO certified. Ideal for remote and office-based outbound teams.

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!

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.

Augment reach, engagement, and experience with a powerful and the best VoIP Softphone in the industry. A white label VoIP Softphone empowered with the power of WebRTC, mobility, and VoIP bestows brilliant convenience and seamless connectivity. Take advantage of crystal clear voice calls and HD quality video calls for ad-hoc meetings or planned business calls and conferences. Get push notifications without consuming device performance to stay alert and battery savvy with the powerful VoIP Softphone app. Align your vision and mission with features of your WebRTC Softphone using our customizable and white label SIP Softphone.

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.

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.

Tragofone - a white-label VoIP softphone backed by WebRTC and auto-provisioning is a perfect choice to maintain uninterrupted business communication anywhere, anytime. Whether you want to empower remote working or offer an efficient and productive alternative to your workforce in delivering outstanding customer services, Tragofone works. The app is all set to make communication a flawless process with a simple step to configure SIP extensions on users' smartphones, and communication on-the-go can take place. The auto-provisioning of this app is quick and straightforward through setup, control. It is feasible to manage thousands of SIP accounts using SIP credentials without accessing the phones. Further, Tragofone offers exceptional communication experience by ensuring quality and security with WebRTC support. The crystal-clear audio and video call through Tragofone offer an opportunity to make communication a smooth process.

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.

maaiiconnect makes customer engagement simple. It is the only cloud-based platform that brings digital and telecom communications together to help businesses deliver seamless customer experiences. Be a truly omnichannel business. Centralise channels such as WhatsApp, WeChat, Facebook Messenger, SMS, Virtual Numbers, Video Conferencing, and a Web Communications Widget for Live Chat and Web Calls into one place with full customer relationship history, customer data, CRM, ticketing system, and rich insights.

PXO+ softphone features: (1) PXO+ is the perfect softphone for RTC (2) PXO+ is very flexible with hundreds of configurable features (3) PXO+ is ideal for SIP and RTP feature testing (4) PXO+ supports multiple speech and audio codecs (5) PXO+ supports multiple video codecs (6) PXO+ provides scripting via VoiceXML (7) PXO+ is ideal for VoIP and RTC QA scenarios (8) STIR/SHAKEN

Pulse is recognized as a leading provider of call center solutions that effectively utilize Web Real-Time communication to enhance the efficiency of call center operations. With nearly two decades of experience, Pulse has successfully assisted clients across Pan India, Northern America, and Europe in establishing seamless customer interactions at every touchpoint. By optimizing the customer journey and maximizing revenue and loyalty, Pulse enables businesses to meet their customers' requirements through personalized call center solutions equipped with advanced features. These features promote proactive customer engagement and deliver exceptional user experiences.