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Top Rated VoIP Software with Windows - Page 2

Last updated: August 2026

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47 software options

Knowlarity logo

Communicate. Collaborate. Accelerate.

Knowlarity is a leading cloud communication company that offers intuitive solutions such as virtual numbers, cloud contact centers, IVR systems, AI-powered speech analytics, chatbots/voicebots, TrueCaller verified business calling, WhatsApp Business API, and more.

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InfoFlo logo

HIPAA compaliant case management software

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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Linphone logo

Open-source VOIP and SIP software

Linphone is an open-source VOIP softphone designed to help enterprises improve business communications through instant messaging, audio/video calls, and more. Supervisors can store contact details in a digital address book, access call history, and conduct audio conference calls.

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Zoiper logo

Cross-platform VoIP softphone dialer for SIP and IAX systems

Zoiper is a cross-platform VoIP softphone dialer that allows voice and video calls, plus instant messaging, to be conducted through multiple Private Branch Exchnage (PBX) networks or favoured Session Initiation Protocol (SIP) providers, with smartphone apps also available for iOS and Android devices

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3CLogic logo

Cloud Call Center Solutions

3CLogic's cloud call center, hosted on Amazon Web Services, is a fully web-based and VOIP-enabled offering with minimal system requirements for agents to quickly and easily leverage its voice and telephony capabilities.

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Acefone logo

VoIP Phone Service trusted by modern businesses

Acefone is a VoIP service provider trusted by 10,000+ reputed companies. From guaranteed 99.5% uptime and 24x7x365 support to unlimited calling, get everything your business needs for flawless customer service and butter-smooth operations. Special offer: Unlimited calling at just $12.99/user/month

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GoTo Meeting logo

Online meeting software with HD video conferencing

Get a fast, easy and reliable professional solution that enables customers to connect with colleagues through in-meeting chat or conference calling, and screenshare their presentations, all with the click of a button. The Meeting solution from GoTo Connect pairs productivity with flexibility.

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Bria logo

VoIP communication and collaboration management solution

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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Zadarma logo

Business phone system for companies of all sizes

Zadarma offers a new generation of business phone system with virtual numbers from 110 countries, free Cloud PBX, free CRM and widgets.

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3CX logo

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

3CX is an open-platform, software VoIP phone system that works with popular IP Phones and SIP trunks whether on-premise or in the cloud. Simple, affordable and flexible, 3CX eliminates the cost and management headaches of outdated, traditional phone systems or the limitations of shared cloud PBXs.

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Ooma Office logo

All-in-one VoIP solution for businesses of all sizes.

Ooma Office is an award-winning and affordable business VoIP solution for any size business. Pricing starts at $19.95/user/month and there are no contracts. We offer two service plans, designed to suit a variety of business needs.

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Genesys Cloud CX logo

AI-enabled experience orchestration platform

Genesys Cloud CX cloud contact centre lets you differentiate faster, adapt easier, and architect better with an all-in-one composable modern architecture

Read more about Genesys Cloud CX

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Bitrix24 logo

All in one business management workspace

Bitrix24 is a #1 business VoIP system used by over 12 million businesses worldwide. Cloud, mobile and open source versions available.

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TeamsPhony logo

Migrate your business telephony to Teams

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.

Read more about TeamsPhony

Users also considered
BNA logo

The most effective customer engagement tool.

The most effective customer engagement tool to help you enhance your customer satisfaction and increase your sales. Key features include 360º customer view, campaign management, automated suggestions for cross- and upselling, AI-based modules to increase sales opportunities, etc.

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PBXware logo

A UCaaS Platform for Telecom Service Providers

The Bicom Platform is a comprehensive, flexible, white label Unified Communications & Collaboration suite. Including UCaaS, Contact Center as a Service, omnichannel, hybrid meetings, mobile UC, geo-redundancy, UC virtualization, and more, the Bicom Platform supports your business as it grows.

Read more about PBXware

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Digital Tide logo

White-label cloud PBX for telecom operators

Digital Tide offers white-label cloud PBX solutions designed for telecom operators including mobile operators, fixed-line operators, MVNOs, and OTT operators. The platform features complete customization with operator branding, carrier-grade infrastructure, and integration capabilities through Trunk or SIP connections. The solution supports both cloud and on-premise deployment options and includes localized interfaces for different markets.

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Radius Connect logo

Cloud-based telephony & business communication solution

Radius Connect enhances business communication with ease. The cloud-based telephony solution offers flexibility, affordability, and simplicity. It effectively lowers call expenses, enhances call quality, and ensures the business is future-ready.

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Viirtue logo

White label VoIP and UCaaS platform for MSPs

White-label VoIP infrastructure for MSPs, ITSPs, and telecom resellers. Deliver hosted VoIP, SIP trunking, cloud PBX, and softphone apps under your own brand across a carrier-grade geodiverse network. Multi-tenant provisioning, self-service number management, and ViiBE for usage rating and telecom t

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Toktiv logo

Cloud-based business phone application with IVR & messaging

Toktiv is a cloud phone system that enables businesses to access voice, instant messaging, and IVR features using a single device. Teams can view account and feature settings from their computer, tablet, or any mobile device.

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HiBird logo

Video platform with real-time translation

HiBird is a video communication platform that offers real-time translation capabilities for distributed teams. The software includes features such as HD video meetings, team chat, integrated notes and task management, and meeting recordings with transcripts and summaries. HiBird provides integrations with tools like Slack, Calendar, and GitHub, and includes SOC 2 compliance with end-to-end encryption for enterprise security.

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CalLite CRM logo

CRM software for managing marketing activities

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.

Read more about CalLite CRM

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