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Telephony Software for Windows

Last updated: February 2026

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176 software options

CloudTalk logo

CloudTalk

Cloud-based call center software for sales and support teams

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CloudTalk is a top-tier telephony system built for modern companies. Make things easier for your sales and customer support teams with 70+ advanced features and seamless integrations with your existing business software. It’s the perfect phone system for mid-sized companies. Try a FREE 14-day trial.

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Ultatel Cloud Business Phone System logo

Ultatel Cloud Business Phone System

ULTATEL | Phone and Teleommunication Solutions For Business

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ULTATEL is a leading and innovating provider of cloud-based telecommunications. We help your business unify voice, chat, and video in a single user-friendly platform.

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Dialpad logo

Dialpad

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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DialedIn CCaaS logo

DialedIn CCaaS

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Cloud-based contact center solution to streamline operations

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Optimize your call centers with DialedIn's telephony features. Enjoy advanced routing, predictive dialing and seamless CRM integration.

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Phone.com logo

Phone.com

Communicate Better

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Phone.com offers a virtual PBX phone system to manage phone greetings, menus, routing, extensions, voicemail, conferencing, fax, SMS, forwarding, and much more.

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Zoho Desk logo

Customer service software for businesses of all sizes

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Zoho Desk is a web and mobile-based customer service software that enables businesses of all sizes and types to deliver customer support, empower agents, and maintain operations.

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Ringover logo
Category Leaders

100% cloud phone for startups and SMEs

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Ringover is a 100% Cloud voice - video - chat - text and call center solution focused on team productivity and directly configurable by managers. The key: end-to-end technological control, a user-friendly interface, and support at each step.

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Nextiva logo
Category Leaders

AI-enabled solution to streamline business communication

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AI-enabled solution that helps connect businesses to all of their conversations on one, AI-powered platform, helping them understand their customers in real-time to create personalized experiences that set them apart.

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Talkdesk logo
Category Leaders

Cloud-based contact center & customer experience platform

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Benefit from comprehensive call center software functionality from inside Zendesk, Salesforce and Desk.com with the Talkdesk CTI Widget.

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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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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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CallHippo logo
Category Leaders

Cloud-based phone system for sales, support & growing teams

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CallHippo is a Virtual Phone System that is easy-to-use while offering robust functionality with advanced features, extensive reporting, and seamless integrations to empower sales and service teams to have effective conversations with customers. 24x7 World Class Support. Instant Setup

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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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Twilio logo

Build, Scale, and Operate Customized Communication Solutions

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Twilio offers an API for phone services enabling companies to make and receive phone calls and send and receive text messages. It allows programmers to integrate various communication methods and to use existing web development skills and codes to solve communication problems.

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Kixie PowerCall logo

More Connections, Better Conversations. AI-enhanced RevComms

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Kixie is a cutting-edge revenue communications platform designed to supercharge your team’s calling and texting capabilities. Kixie leverages AI and automation to streamline outreach, maximize efficiency, and drive real revenue growth — all while keeping the human element in every conversation.

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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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VICIdial logo

Open source call center software with predictive dialer

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VICIdial is an open source call center solution with outbound predictive dialing and features for handling inbound or manual calls as well as email and web chat

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CXone Mpower logo

Cloud-based contact center software

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For organizations around the globe, NICE provides customer experience (CX) solutions that increase customer satisfaction, boost operational efficiency, and strengthen brand value.

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Telnyx Suite logo

All-in-one communications platform & API

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Telnyx is an all-in-one communications platform which delivers voice, messaging & IP services for applications & communications companies. Telnyx enables users to integrate, manage & analyze all of their voice & messaging needs with features like elastic SIP trunking, programmable SMS, & more

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Five9 logo

Cloud contact and call center software

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Five9 is an all-in-one cloud contact center solution for inbound, outbound, blended and omnichannel contact centers world-wide. Powered by Practical AI, Five9 enables agents to provide customer experiences across phone, email, chat, mobile, social and more

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Aircall logo

AI powered customer communications platform

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Make every phone conversation count and give time back to your reps with 100+ CRM, Helpdesk, and software integrations.

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Intermedia Unite logo

All-in-one communications & collaboration tool

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Award-winning, highly reliable, cloud-based phone system that helps small businesses lower costs & increase employee productivity. With complementary mobile & desktop apps users stay seamlessly connected. Unite is backed by J.D. Power-certified 24/7 support & a 99.99% uptime service level agreement.

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CallTools logo
Category Leaders

All-in-one predictive dialer & inbound call center solution

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CallTools is an all-in-one call center solution offering an outbound power dialer & inbound call center with live agent monitoring, skill-based routing, & more. Unlimited Minutes on Predictive, Power, and Preview Dialer with Built-In Web Phone, CRM, and Dedicated In-House Support Team. Call us now!

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Emitrr logo
Category Leaders

Customer engagement platform for local business owners

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Emitrr functions as an AI-based business toolbox that operates continuously to streamline customer communication and business operations. The platform enables businesses to text-enable existing phone lines, allowing teams to send individual or group messages while managing multiple phone lines from a unified inbox. Team members can assign conversations, route messages, and leave internal comments to facilitate efficient collaboration.

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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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