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Top Rated VoIP Software with Linux

Last updated: July 2026

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34 software options

Ultatel Cloud Business Phone System logo

ULTATEL | Phone and Teleommunication Solutions For Business

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ULTATEL is a leading and innovating provider of cloud-based telecommunications. We help your business unify voice, chat, and video in a single user-friendly platform.

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Bright Pattern logo

Cloud Contact Center Software with Embedded AI

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Leading global provider of AI-powered omnichannel cloud contact center software.

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Pexip Connect logo

All-in-one solution for seamlessly joining meeting rooms

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Seamlessly join Microsoft Teams or Google Meet meetings from your favorite meeting rooms with the touch of a button!

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CDR Call Reporting for Cisco logo

Unified Communication Solution

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Variphy is a unified communications reporting solution for Cisco Call Data Record (CDR) and Call Analytics. Variphy provides real-time analytics, reporting, time range selection with accurate data, graphs and tables to help network managers improve call center performance.

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SparkTG VCC logo

Top Contact Center solution that ensures your business grows

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SparkTG VCC is a cloud-based contact center solution that provides businesses with tools to improve customer service processes and convert leads on a centralized platform. Supervisors can use the dashboard to generate reports and manage call recordings to boost agents' overall productivity.

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uContact logo

Beautiful Contact Center Solution - Omnichannel - All in One

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uContact is a beautiful contact center solution designed to make the life of the agents easier and more productive. Ideal for inbound, outbound & blended call centers.

Key features:
- True All in One
- Omnichannel: Email, SMS, Web Chat, Facebook, Twitter.
- IVR
- Gamification
- Recording
- WFM

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NUACOM logo

All-in-one Cloud Phone System for SMBs

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NUACOM offers an all-in-one Cloud phone system for SMBs that need a modern, fully scalable business communication solution. The platform offers over 50 business-class features to help boost productivity, connect departments, and centralize telephony for all locations.

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Talkdesk logo

Cloud-based contact center & customer experience platform

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Talkdesk browser based call center software works seamlessly over VoIP. Enjoy advanced functionality such as ACD, skills-based routing, IVR and more.

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Barclay VoIP logo

VoIP system for more flexible & reliable communication

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Barclay VoIP is a telephone system that can be hosted on the cloud or on premises. The solution allows users to communicate in a more reliable and flexible way with remote working, call recording, and reporting tools.

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Diabolocom logo

Cloud software for call centers & customer service.

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Diabolocom is the leading contact center and sales solution at European level with optimal omnichannel integration capabilities that guarantee a high quality and consistent customer experience.

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Tragofone logo

Cloud Based White Label VoIP Softphone App

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Tragofone is a WebRTC powered white label softphone for businesses that brings secure VoIP and SIP calling, messaging, and video to Android, iOS, Windows, Linux, and Mac devices. Deploy fast with auto-provisioning and multi-tenancy, brand the app end-to-end, and manage users from one dashboard.

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Vodia PBX logo

Cloud-based IP PBX for business communications

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Vodia IP-PBX is a cloud-based business phone system that enables professional communication from office or remote locations. The platform supports mobile and desktop applications, VoIP phones, and features unified caller identification across devices. It includes Microsoft Teams integration, CRM connectivity with platforms like HubSpot and Salesforce, and multimedia messaging capabilities. The system offers multi-tenant architecture with a built-in session border controller and load balancer.

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IPPBX logo

VoIP phone and PBX system for small businesses

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IPPBX is a VoIP phone system provider that offers VoIP services and PBX systems for small businesses.

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ViaDialog logo

Smart interactions

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AI cloud contact center for managing voice, chat, email & social media. Boost CX with automation, routing & CRM integration.

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EasyPBX logo

Cloud-based phone system

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EasyPBX is a cloud VoIP that integrates voice, video, messaging, and call management. Features include unlimited US and 40+ countries calling, Yealink phones, conferencing, and 24/7 support, all in one solution.

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Kiamo logo

Centralized & Aumented Customer Relationship

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Kiamo is a Cloud omnichannel solution for Contact centers

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PBXPlus logo

Virtual PBX business phone system for growing businesses

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Increase your business productivity with PBXPlus virtual PBX software by adding unlimited extensions, call forwarding, setting business hours, integrating with your CRM and many more features.

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metricVOICE logo

Cloud Hosted Voice & UCaaS - metricVOICE by Fastmetrics

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metricVOICE by Fastmetrics - cloud hosted phones, VoIP & UCaaS. Backed by LIVE USA SUPPORT.

Connect how you work, where you work. The ESSENTIALS plan starts from $15 per month.

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MirrorFly logo

MirrorFly CPaaS Ultimate Solution for All Your Communication

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MirrorFly is a comprehensive CPaaS platform empowering businesses to create engaging communication experiences.

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Ubefone logo

La téléphonie cloud d'entreprise, simple et sans engagement.

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Ubefone est un opérateur de téléphonie cloud, VoIP et mobile pour entreprises, déclaré ARCEP depuis 2014. Standard téléphonique virtuel, appels illimités, sans engagement, données hébergées en France.

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Knowlarity logo

Communicate. Collaborate. Accelerate.

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Knowlarity is a leading cloud communication company that offers intuitive solutions such as virtual numbers, cloud contact centers, IVR systems, AI-powered speech analytics, chatbots/voicebots, TrueCaller verified business calling, WhatsApp Business API, and more.

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Zoiper logo

Cross-platform VoIP softphone dialer for SIP and IAX systems

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Zoiper is a cross-platform VoIP softphone dialer that allows voice and video calls, plus instant messaging, to be conducted through multiple Private Branch Exchnage (PBX) networks or favoured Session Initiation Protocol (SIP) providers, with smartphone apps also available for iOS and Android devices

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3CX logo

Web & mobile-based (Android, iOS) communications system.

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3CX is an open-platform, software VoIP phone system that works with popular IP Phones and SIP trunks whether on-premise or in the cloud. Simple, affordable and flexible, 3CX eliminates the cost and management headaches of outdated, traditional phone systems or the limitations of shared cloud PBXs.

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Bitrix24 logo

All in one business management workspace

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Bitrix24 is a #1 business VoIP system used by over 12 million businesses worldwide. Cloud, mobile and open source versions available.

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TeamsPhony logo
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Migrate your business telephony to Teams

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TeamsPhony is an enterprise VoIP telephony solution, directly integrated into Teams.

You can handle all your business calls with your Microsoft Teams application.

Our infrastructure is certified by Microsoft to guarantee optimal service quality and reliability.

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