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Top Rated Cloud PBX Software with Open source - Page 3

Last updated: September 2026

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166 software options

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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ClarityTel logo

VoIP-based communication management solution

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ClarityTel is a voice over internet protocol (VoIP) solution that helps businesses manage communication with external and internal stakeholders via online phone, virtual fax & SIP trunking. The voicemail functionality lets users receive email notifications for incoming voicemail & fax messages.

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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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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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VoiceShot logo

Auto attendant cloud phone system

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VoiceShot is an auto attendant cloud phone software that helps businesses manage call forwarding, transfer, screening, and reporting on a centralized platform. It enables users to create pre-recorded greetings and automatically deliver all voicemails to linked email addresses in WAV file format.

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NFON SIP Trunk logo

Cloud-based telephony and VoIP solution.

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NFON SIP Trunk integrates on-premise PBX systems with unified communications as a cloud-based telephony solution.

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Voximplant Platform logo

Cloud communications platform for unifying texts & videos

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Voximplant Platform is a cloud communications platform that unifies voice, text, and video on a single platform. Users can quickly create a no-code cloud contact center and easily make mass calls. With Voximplant platform, developers can create custom applications for calls, messages, and videos.

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VoiceSpin logo

Cloud-based contact center for sales & support teams

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Cloud-based VoIP contact center for SMBs to enterprises with AI auto dialing, omnichannel messaging, and speech analytics.

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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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CloudAgent logo

Inbound, outbound & blended cloud contact center

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Cloudagent covers the needs of inbound, outbound and blended contact centers with ACD, IVR, CTI, dialer and more.

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Dialpad AI Meetings logo

AI-native meetings that turn conversation into action.

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Dialpad's Cloud PBX connects calls, messages, and meetings in one AI-native platform. Agentic AI reasons through conversations in real time, with intelligence governed by Dialpad's Guardian layer — built to work seamlessly with Dialpad AI Meetings for shared context.

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net2phone Canada logo

Cloud-based VoIP communications platform for business users

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net2phone Canada is a SaaS-based communications provider offering VoIP and analytics solutions to Canadian businesses, with scalable telephony packages providing call queues, unlimited international calling to 40+ countries, free Polycom phones, & features including data insights & app integrations.

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Placetel logo

All-in-one - cloud calling, team messaging & online meetings

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Placetel + Webex combines business telephony software from the cloud with the full Webex suite. Benefit from over 150 telephone system features paired with video conferences in HD, file and screen sharing, call control, instant messaging, call center functions and unified communication.

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SureTel logo

Business VoIP service

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SureTel is a cloud-based telephony solution, which helps businesses manage communication across teams & clients through Google integrations, call history, route timing, custom caller ID & more. It lets users record calls to store customer interactions in a unified database for future reference.

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InfoFlo logo

HIPAA compaliant case management software

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HIPAA compliant Case Management software made simple so you can focus on your running your organization all at an affordable price!

Seamlessly manage all your client goals, referrals, documentation, events, classes, and activities within a single platform—eliminating the need for multiple tools.

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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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Voice Clearity logo

Cloud Telephony Solution

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Voice Clearity is a cloud telephony solution provider It provides customized solutions per business needs and call volume. It also includes easy integration with leading CRMs.

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CircleLoop logo

Cloud based business telephony system

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CircleLoop is a cloud-based,self-serviced business telephony software system with native desktop, and mobile apps, boasting features including UK and international number support, personalized voicemail, call transfer, call recording, SMS integration, smart notifications, contact management and more

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PIMS Dialer logo

Predictive dialer software for enterprise call centers

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The Pims Auto Dialer is a full service call center suite with inbound, outbound and broadcast dialing functions

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GoTo Connect logo

The first-ever truly unified voice and video solution.

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GoToConnect combines the power and reliability of Jive's cloud VoIP phone systems with GoToMeeting's web, audio and video conferencing into one simple, reliable and flexible solution. Users can meet, talk, chat, text and collaborate seamlessly via web browser, desktop application, or desk phone.

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Cloud PBX logo

One provider. Global reach. Always connected.

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Virtual-Call Cloud PBX: the only phone system connecting global offices through one provider. Includes IVR, call recording, video conferencing, omnichannel messaging, AI-powered voicemail transcription, and CRM integrations. Trilingual support, Swiss quality, transparent pricing. Free 14-day trial.

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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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EveryDay Voip logo

Cloud-based PBX system

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EveryDay Voip is a cloud-based PBX system, which helps businesses facilitate internal and external communications using various channels such as phone, video meeting, messaging, and more. Features include voicemail, hotdesking, internet fax, concurrent calling, and team collaboration.

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Solgari logo

AI-powered customer engagement solution

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Solgari enhances Microsoft Teams with AI-driven customer engagement solutions, empowering businesses to automate and optimize communication across channels.

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TELIQON logo

Global Cloud Communications Platform for Growing Businesses

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Teliqon is a cloud communications platform that combines Cloud PBX, virtual numbers, SIP trunking, business SMS, OTP messaging, auto dialers, contact center tools, and communication APIs in a single scalable solution.

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