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Top Rated Telephony Software with Microsoft 365

Last updated: July 2026

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17 software options

Myphoner logo

Simple to use cold outreach enabling more calls & less admin

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Myphoner is a fresh new take on how software for outreach via phone and following up on prospects should be done. We focus on giving you simple-to-use software yet with all the tools you need to run a successful team. You will not believe how simple it is and how focused you can be.

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Spoke Phone logo

Great customer conversations anywhere, on any device.

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Spoke Phone is the leading platform for high-value, complex, and regulated conversations. Spoke guides employees to say and collect the right things so deals move forward and customers get better experiences. Compliant calls, SMS, and WhatsApp conversations on mobile phones and desktops devices.

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Adversus logo

Cloud-based Software & CRM solution

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Adversus is a Danish cloud-based outbound sales platform, founded in 2015 in Aarhus. Built for teams that run high-volume calling operations, it gives reps an efficient workflow and managers real-time visibility into activity, campaign performance, and call outcomes. Core features include automated

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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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TELIQON logo

Global Cloud Communications Platform for Growing Businesses

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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

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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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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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Third Lane logo

Unified communications platform for UCaaS providers

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Thirdlane's unified business communications platform offers a wide range of features, including VoIP, conferencing, screen sharing, multi-tenant pbx, call center and more for enterprises, MSPs, UCaaS providers & resellers.

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sipgate logo

VoIP business telephone system for SMB's

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sipgate team provides a complete business VoIP telephone system for Germany and the UK with telephony, fax, SMS, voicemail and invoicing features

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Unified Communications as a Service (UCaaS) logo

Cloud based IP phone with unified communication features

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Evolve IP's cloud IP phone systems free your business from managing carriers, hardware and vendors by providing an enterprise quality hosted PBX.

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Flowroute logo

Calling, SMS, MMS, and fax communication management system

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Flowroute is designed to help businesses create, deploy, and manage a unified system for voice, SMS, MMS, and fax-based communication. The platform comes with a SIP trunking module, which allows enterprises to handle multiple voice calls using local and toll-free numbers.

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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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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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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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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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Bitrix24 logo

All in one business management workspace

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Bitrix24 #1 business phone system and CRM in one. Inbound and outbound calls, IVR, telemarketing, robocalling, voice mail, call recording, call routing, domestic and international phone number rental. Used by over 12 million businesses worldwide!

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Dialpad logo

Cloud communications system for enterprise businesses

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Dialpad is a cloud communication platform and business phone system that provides organizations with the latest in VoIP telephony technology to keep teams connected and productive. The platform comprises three integrated products; Dialpad Connect, Dialpad Support, and Dialpad Sell.

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