Compare the Top Telephony Software for Linux as of November 2025

What is Telephony Software for Linux?

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 Telephony software for Linux currently available using the table below. This list is updated regularly.

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    XCastLabs

    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!
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    Starting Price: $4.95/month
  • 2
    Zadarma

    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 - 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.
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    Starting Price: $2/month
  • 3
    Voyced

    Voyced

    Voyced

    Hosted VoIP solution with a European focus but with 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 SoftPhone and will soon be launching other Roaming products too.
    Starting Price: $0.25 per user per month
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