Best Telephony Software for Linux
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Compare the Top Telephony Software for Linux as of October 2026
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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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1
PBXware
Bicom Systems
PBXware connects clients to their carriers and handles everything the call infrastructure needs: SIP trunking, call routing, IVR, auto-provisioning, and hot-desking. It is built on open standards, which in practice means providers can work with the SIP infrastructure and hardware their clients already have in place. With v8, AI capabilities are manageable through AI Hub and ready to deploy in days, covering Voice Agents, Live Transcription, and Text to Speech. The Event Publisher publishes real-time call events as structured JSON the moment they happen, so clients can connect PBXware to their CRM tools without custom development. Available in a true multi-tenant architecture, on cloud or on-premise, Bicom branded or fully white-label. -
2
Yeastar P-Series PBX System
Yeastar
The Yeastar P-Series Phone System is a comprehensive "PBX-Plus-More" solution, unifying voice, video, and collaboration into a single, agile platform. Built to meet the sophisticated demands of modern businesses, it offers unparalleled flexibility through Cloud, On-premises, or Software deployment options. -
3
Yeastar Cloud PBX
Yeastar
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. -
4
2600Hz
2600Hz
An unrivaled UCaaS solution designed to empower Service Provider success. Differentiate your brand and offering in the market with a completely customizable, white label solution. KAZOO is 2600Hz's turnkey UC platform, offering the flexibility you need to provide a superior communication experience. Give your customers a communication solution that will make them successful. 300+ APIs enable you to customize a solution to help your customers do business better. White label your solution to build and maintain your brand recognition in the market. Low upfront costs let you get started quicker and stay cost competitive. Reliability and geo-redundancy ensures your customers are always online. Mobile ready lets your customers get business done when and where they need to. KAZOO is a multi-tenant platform and gives you the ability to open your sales channels. Bring on resellers, go direct, or have an agent model.Starting Price: $3.50/month -
5
Momentum Telecom
Momentum
We unleash human momentum with collaboration, connectivity, and communications technology. All business is human—and when custom technology empowers human ingenuity, people and companies thrive. High performing teams do more, achieve more, and win more. Companies become agile, efficient, and resilient. Our team takes pride in making technology easy and cost effective. We love what we do—and it shows in the way we partner with you, from our first conversation to ongoing post-install support. Working with over 30,000 customer locations in 65+ countries, we deliver straightforward, secure, and scalable global managed services and advanced collaboration and communications solutions. Together let’s build your human momentum. More at gomomentum.com
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