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Top Rated Cloud PBX Software with Microsoft outlook

Last updated: September 2026

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21 software options

3CX logo

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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Nextiva logo

Cloud AI platform for unified business communications

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Cloud-based AI customer experience platform unifying VoIP, omnichannel contact center, video, and team messaging for businesses of all.

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Retreaver logo

Cloud-based call center management

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Retreaver is a cloud-based call center solution that tracks, tags and routes callers to specific agents or departments, & helps agencies, marketers and brands analyze their inbound calls, manage caller profiles, dynamically route calls, analyze ROI, track conversions and generate reports.

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Yeastar Cloud PBX logo

Digital Value, Delivered.

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Run your business phone system on the cloud with secure calling, unified communications, and centralized management.

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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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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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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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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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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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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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BroadVoice Cloud PBX logo

Broadvoice b-Hive Cloud Communications for SMBs

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Broadvoice Cloud PBX communication solution unifies business phones, video conferencing, texting, and collaboration under a single phone number. Stay connected wherever you are, never miss an important call.

Get fast implementation, quality, and reliable service, at an affordable cost.

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Cloudya logo

Integrated business communications platform.

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NFON delivers smart communication solutions for businesses with a cloud-powered suite. It integrates voice and video calls, customer contact management, CRM tools, seamless collaboration, and enablement features—all in one platform to boost productivity and streamline operations.

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Revenue.io logo

Sales engagement and call tracking platform

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Revenue.io is a cloud-based sales engagement platform designed to help Salesforce users manage leads, identify revenue-generating channels, and analyze performance. Features include lead prioritization, real-time recommendations, workflow automation, reporting, call monitoring, and transcription.

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Bria logo

VoIP communication and collaboration management solution

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Bria is a cloud-based and on-premise VoIP solution that helps businesses manage communication & collaboration via messaging, file sharing, video conferencing & more. The white-label capabilities help organizations design a personalized softphone using custom logos, themes, colors, and configuration.

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PanTerra Streams logo

AI-powered unified communications & collaboration.

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Streams.AI combines voice, video, messaging, file sharing, SMS, and contact center features into one secure cloud platform. With AI tools, CRM integrations, analytics, and 24/7 expert support, Streams.AI helps teams communicate smarter and scale effortlessly.

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RingCX logo

AI-powered contact center

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RingCentral RingCX: AI-powered, omnichannel contact center with unified communications. Simplify customer experiences effortlessly.

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RingEX logo

RingEX - AI meets trusted communications

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Designed to give you a flexible, mobile, and powerful cloud phone system. Experience HD-quality web, audio, and video, along with one-click functionality and webinar capabilities with RingCentral Video. Promote collaboration with team messaging, unlimited SMS, and more.

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Dialpad logo

The AI-native platform where conversations become action.

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Dialpad's Cloud PBX connects calls, messages, and meetings into one AI-native platform instead of a disconnected phone line. Agentic AI reasons through conversations in real time, with intelligence governed by Dialpad's Guardian layer for secure, enterprise-grade operations.

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8x8 Work logo

Integrated contact center, voice, chat, video, and APIs

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8x8 Work: Your all-in-one collaboration hub - phone, video, messaging. Secure unified communication for every employee, anywhere, any device.

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Vonage Business Communications logo

Cloud-based business VoIP phone service

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Vonage Business provides a cloud-hosted business VoIP phone system, with customizable feature sets for the differing needs of small and medium businesses

Read more about Vonage Business Communications

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JustCall logo

Cloud-based AI communication platform for sales teams

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Never miss a lead or customer call with JustCall's AI-powered communication platform. Voice, SMS, email & WhatsApp in one place.

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