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Top Rated Telephony Software with Linux

Last updated: October 2026

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43 software options

3CX logo

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

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3CX is a phone system that handles call queues, built-in video calls, and web conferencing. It integrates website live chat, Facebook & text messages all in one system. The open-platform is fully compatible with popular IP phones & SIP trunks.

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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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VICIdial logo

Open source call center software with predictive dialer

VICIdial is an open source call center solution with outbound predictive dialing and features for handling inbound or manual calls as well as email and web chat

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Bright Pattern logo

Cloud Contact Center Software with Embedded AI

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

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Dialshree logo

Cloud-based contact center solution

DialShree is a cloud-based software designed to help businesses manage customer interactions. It can be deployed on any web server or cloud platform and can be used to manage interactions across multiple channels.

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CDR Call Reporting for Cisco logo

Unified Communication Solution

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

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

uContact is a contact center solution designed to provide inbound, outbound & blended call centers with multiple channels to manage sales & customer care

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NUACOM logo

All-in-one Cloud Phone System for SMBs

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

Customer Experience. Automated.

Benefit from comprehensive call center software functionality from inside Zendesk, Salesforce and Desk.com with the Talkdesk CTI Widget.

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DeepCall logo

AI-powered cloud communication suite

Power your business communication with DeepCall’s cloud telephony suite. From voice & SMS broadcasting to WhatsApp, RCS, and conversational AI, integrated with CRMs, our scalable and secure platform ensures uninterrupted, intelligent, and cost-effective connectivity.

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Diabolocom logo

Cloud CCaaS with AI for teams of all sizes

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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Vodia PBX logo

Cloud-based IP PBX for business communications

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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HiperMe! logo

Unified communications and contact center platform

HiperMe! is a cloud-based contact center and unified communications platform that enables companies to manage corporate communications and customer service interactions from one place. With HiperMe!'s omnichannel solution, businesses can receive and place calls, emails, chats, WhatsApp message

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SanCCS logo

Attain the Best Call Center Solutions by SAN Softwares.

SAN Softwares provides top-of-the-line telephony services that allow users to send text messages, make voice and video calls, host business conferences, leave voicemails, and send faxes. Telephony systems can also be used for international calling, sending SMS text messages, sending and receiving.

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Callbox logo

UCaaS, Cloud PBX, Contact Center, Omnichannel

Callbox is a cloud PBX for collaboration and contact center integrated with MS Teams and Google Workspace, CRMs, and ERPs.

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ViaDialog logo

Cloud CCaaS platform for omnichannel customer service

Cloud-based CCaaS platform unifying voice, chat, email, SMS, and video with AI automation for omnichannel contact centers.

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Freezvon logo

IP telephony & virtual numbers from 120+ countries

Freezvon provides SMBs with complete IP telephony solution as well as rare destinations for big companies.

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Kiamo logo

Centralized & Aumented Customer Relationship

Kiamo is a Cloud omnichannel solution for Contact centers

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TELIQON logo

Global Cloud Communications Platform for Growing Businesses

Cloud communications platform with Cloud PBX, SIP trunking, virtual phone numbers, business SMS, auto dialer, contact center tools, and communication APIs for sales, support, and global business communications.

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metricVOICE logo

Cloud Hosted Voice & UCaaS - metricVOICE by Fastmetrics

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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Centralpoint logo

Digital experience platform & content management solution

Centralpoint by Oxcyon is a digital experience platform & content management solution for enterprises. The cloud-based tool allows users to control knowledge, data, documents, forms, emails, learning, compliance, & more whilst also providing features for managing employees, clients & partners.

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Ubefone logo

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

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

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ITC Cloud logo

Business Communication. Simplified.

Step into the future with ITC Cloud! Say goodbye to communication complexities. Collaborate effortlessly from anywhere on any device. Our 24/7 help desk ensures your business success. We're committed to exceeding your expectations. Trust ITC Cloud to take your communication to new heights!

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Daktela logo

Call Centre Software for all Business

Daktela contact center is a cloud-based solution of call center with native support for many communication channels "OmniChannel" in one Web application - phone, email, helpdesk, Webchat, SMS and social networks.

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