Compare the Top Softphone Applications for Linux as of November 2025

What are Softphone Applications for Linux?

Softphone applications are software-based phones that allow users to make voice calls over the internet instead of using traditional phone lines. They run on devices like computers, smartphones, or tablets, leveraging VoIP (Voice over Internet Protocol) technology to transmit audio. Softphones offer a range of features, including call forwarding, voicemail, and conferencing, typically integrated with business communication platforms. These apps require only an internet connection and can significantly reduce costs associated with traditional telephony. With the ability to connect globally, softphones are ideal for remote teams, providing flexibility and scalability for businesses. Compare and read user reviews of the best Softphone applications for Linux currently available using the table below. This list is updated regularly.

  • 1
    3CX

    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.
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    Starting Price: Free for up to 10 users
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  • 2
    Thirdlane

    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.
  • 3
    maaiiconnect
    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.
    Starting Price: Free
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