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Free Cloud PBX Software

Last updated: April 2026

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18 software options

3CX logo

3CX

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

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3CX is an open standards Cloud PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry. Video conferencing, live chat, mobile apps & advanced contact center features are all included at a fraction of the cost.

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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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iPlum logo

VoIP app for calls, secure text & phone tree communication

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iPlum is used by busineses in healthcare, financial, sales, customer service, real estate, hospitality and more.
The iPlum provides calls, secure text & phone tree communication. We solve the privacy problem of professionals doing business calling & texting with their smartphone.

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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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Callture logo

Virtual PBX software for small to medium businesses

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Virtual PBX system turns your phone into an office phone system with multiple extensions and personalized voicemail. You can record customized greeting, have an operator extension and access to online management center. You will never install any hardware or have to deal with complicated software.

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JivoChat logo

Live chat with agent apps for iOS & Android

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JivoChat is a live chat software that offers customizable web & mobile chat widgets with 20 language options, and web-based, desktop, and mobile agent apps, including real-time visitor monitoring, pageview histories, email chat transcripts, file transfers, canned responses, customer ratings, & more

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Google Voice logo

Call and voicemail management

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Google Voice is a phone system and call management software that integrates with your Gmail account and allows you to send voicemails to landlines, mobile and electronic numbers at a click. Google Voice is low cost and converts SMS to email as well as call logging and call screening.

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Zoom Phone logo

Cloud-based business phone system

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Zoom Phone is a cloud VoIP phone software designed for businesses of all sizes. With a streamlined administration interface and secure voice calls, Zoom Phone offers a flexible solution for remote workforces. It also features global coverage, virtual phone numbers, fixed VoIP, cloud PBX, multi-line phone systems, and a Zoom Phone API, among other functionalities.

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Webex Suite logo

One app for everything. And everyone.

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Webex brings together Calling, Meeting and Messaging modes of collaboration into a seamless, engaging, inclusive and intelligent experience.

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Eloquant logo

Cloud Contact Center Customer Experience platform

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Eloquant is an all-in-one open Cloud Contact Center CX platform that helps businesses manage, orchestrate, measure, and improve their conversations with their customers.

Its main features include channels such as voice, digital, and self-service conversation, qualification and orchestration, and performance and customer satisfaction surveys.

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Bitrix24 logo

All in one business management workspace

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Bitrix24 is a cloud PBX, call center and CRM in one! Trusted by 12 million businesses it's available in cloud and on-premises. Inbound, outbound, SMS, multilevel IVR, call routing and more.

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Ring4 logo

Second phone number app for texting and calling

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Ring4 provides companies and individuals with a lightweight Cloud PBX solution to manage phone lines as simply as they manage emails. The Ring4 smart numbers work on any iOS or Android device and can be managed via the Admin Console.

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Zoho Voice logo

Cloud-based business phone for SMB sales and support teams

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Zoho Voice is an online business telephony and contact center solution for businesses of all sizes. Packed with powerful features to seamlessly connect with your colleagues and customers, Zoho Voice helps you redefine your customer experience more efficiently with faster business communications.

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Freshcaller logo

Modern Phone System for customer support & sales

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Freshcaller is a modern cloud PBX for customer support, sales, IT, and HR teams. Freshcaller's cloud-based architecture brings together features like IVR, Smart Escalations, Voicebots, Customizable Performance Reporting to set up phone operations. Freshcaller offers phone numbers in 90+ countries.

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Kloudtalk logo

Robust and Feature-Packed Cloud-based Business Phone System

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KloudTalk is a cloud-based business phone system that offers useful communication and collaboration tools for for small, mid-sized, and large businesses.

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Servetel logo

Communication management solution

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Servetel (by Acefone) is an international cloud communications service provider, catering to startups, SMBs and enterprises. We have aided 5,000+ businesses improve their communication systems, customer experience, and lead generation with our cloud communication suite Ace-X.

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Nvoip logo
(0)

Connecting businesses and customers.

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Nvoip is a communication platform that helps businesses communicate better with their customers.

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Zentrunk logo
(0)

Cloud-based SIP trunking solution for firms of all sizes

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Zentrunk is a cloud-based session initiation protocol (SIP) trunking solution designed to help businesses of all sizes setup voice over internet protocol (VoIP) based business communication system. The platform also offers prepackaged templates which enable users to integrate SMS functionality.

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