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Business Phone Systems Software for Linux - Page 2

Last updated: March 2026

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52 software options

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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TalkChief logo

TalkChief: Your Modern Business Phone

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TalkChief Business Phone System offers a comprehensive operational platform, allowing you to establish teams, add members, and configure inbound and outbound flows based on skill or time.

Allocate Dynamic, Fixed, or Random DID numbers to connect with potential prospects based on their location.

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55PBX logo

Virtual PBX solution to boost your team's productivity

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55PBX is a Brazilian based Business Communications Platforms with Voip, Whatsapp, SMS and integrations with Support, Sales, Ecommerce that facilitates your team's communication with their customers.

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Freshcaller logo

Modern Phone System for customer support & sales

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Freshcaller is a business phone system for businesses of all sizes - from SMB to Enterprise. Freshcaller's cloud-based architecture brings features like IVR, Smart Escalations, Agent Extensions, and Customizable Performance Reporting to set up business telephony operations.

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Talkroute logo

Virtual phone system for communicating with customers

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Talkroute is a virtual phone system designed to help businesses manage voicemail, route calls and communicate with customers via various channels. It offers an audio library, which includes several prompts for agents to create custom greetings for clients.

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Zadarma logo

Business phone system for companies of all sizes

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A new generation of VoIP for your business, offering virtual phone numbers, cloud PBX and much more. Save up to 90% on phone bills!

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VIS Centralino in Cloud logo

Cloud-based business phone solution

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VIS-Centralino In Cloud is a cloud-based phone system for small businesses and public administrations that helps control and modify the functions of VoIP Cisco CUCM.

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HiperMe! logo

Unified communications and contact center platform

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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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Natterbox logo

The Voice Experts for Salesforce

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Natterbox is an expert voice solution for Salesforce with native telephony integration that helps organizations personalize customer experience at scale, boost sales and service efficiency, and gain complete visibility into their operations.

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Diabolocom logo

Cloud software for call centers & customer service.

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Diabolocom is a European leader in cloud-based software services for call centers and customer service.
With fast deployment, compelling ease of use, secure cloud hosted in Europe, premium call quality and native CRM integration, easily increase customer loyalty and boost sales.

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ITC Cloud logo

Business Communication. Simplified.

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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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Pascom Cloud logo

We upgrade business communications

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Upgrade your business communications with the pascom cloud phone system.

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RingTree logo

AI-powered virtual small business phone system

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AI-enabled business phone system that offers IVR auto-attendant, multiple phone numbers, route calls, manage users and teams, and more.

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Yay logo

Powerful business cloud phone system for easy collaboration

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Yay is a cloud-based phone system that combines business messaging, HD VoIP, and a host of call features. It offers instant setup and friendly support.

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Audara logo

AI-Driven Omnichannel Contact Center Platform

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Audara unifies voice, chat, video, and WhatsApp in one AI-driven cloud phone system. Includes extensions, WebPhone, call queues, and CRM integration, enhanced with real-time analytics, AI Copilot, and SmartAgents automation.

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Ringblaze logo

Business Communication Solution

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Ringblaze is specifically designed to meet the needs of small businesses and teams as the world is redefining the way we work. It delivers omnichannel communication choices for team members to connect with customers and vice versa.

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Axon Virtual PBX logo

Manage phone calls for your business or call center

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Axon is a virtual IP PBX for Windows designed to manage phone calls in a business or call center environment.

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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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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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RingRx logo

HIPAA-compliant phone, fax, text, and video for healthcare

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RingRx is a HIPAA-compliant phone system designed for modern healthcare providers. It supports healthcare professionals with reliable voice, text, fax, and video communication software. RingRx features enterprise-quality technologies to streamline patient communications, including customizable call routing, easy voicemail access, and secure texting capabilities.

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TeamsPhony logo
(0)

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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CommandLink SD-WAN logo
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Network mamagement platform

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CommandLink SD-WAN delivers seamless multi-wan connectivity for all locations, integrating security and improving cloud application performance. The UTM/NGFW integration offers direct access to the internet for every location, avoiding high latency traffic through carrier gateways.

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IVRy logo
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AI-powered customer relationship management (CRM) software

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IVRy is an AI-powered customer relationship management (CRM) software that leverages expertise, automating repetitive tasks and enabling cross-platform integrations. The system supports bulk unstructured data processing, helping enterprises manage multiple stakeholders simultaneously by providing functions to process calls and enhance feedback collection across platforms. Integrate with apps such as Slack and LINE to optimise inbound and outbound calls.

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CalLite CRM logo
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CRM software for managing marketing activities

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CalLite CRM helps businesses manage various sales-related activities such as outbound (telemarketing, teleselling), inbound/help desk, uploading practices, contracts, PDA, pyramid/multilevel sales networks, appointment making, surveys/data collection, multi-channel messaging (outgoing and incoming), reporting, and business intelligence.

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Telecmi logo
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Business phone system

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TeleCMI - provides communication solutions for any business cases. TeleCMI is a modern day business phone system which offers global communication solutions for businesses ranging from startups, SMEs and Enterprises.

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