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Top Rated VoIP Software with Zendesk

Last updated: October 2026

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57 software options

3CX logo

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

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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 Simple, affordable and flexible, 3CX eliminates the cost and management headaches of outdated, traditional phone systems or the limitations of shared cloud PBXs.

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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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Ultatel Cloud Business Phone System logo

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

The AI-native platform where conversations become action.

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Dialpad is an AI-native VoIP platform where Agentic AI reasons through every conversation in real time, connecting voice and data that used to sit in silos. Intelligence compounds over time, governed by Dialpad's Guardian layer for secure, enterprise-grade operations at scale.

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Ringover logo

100% cloud phone for startups and SMEs

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Ringover allows you to make unlimited VoIP calls to over 110 destinations worldwide - no matter your plan - offering you precise, transparent rates for all other global destinations.

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CallTools logo

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

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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Intermedia Unite logo

All-in-one communications & collaboration tool

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

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Squaretalk logo

All-in-one contact center platform for sales automation

Squaretalk’s all-in-one contact center platform provides high-quality VoIP for better lead engagement, contact rates, and performance. Combine with WhatsApp Business messaging, SMS, email, and AI-powered automation to elevate your outreach without additional complexity or costs.

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Bright Pattern logo

Cloud Contact Center Software with Embedded AI

Leading global provider of AI-powered omnichannel cloud contact center software.

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OnSIP logo

Cloud-based softphone and voicemail platform

OnSIP is a softphone and private branch exchange (PBX) solution that helps businesses to manage call recording, transfers, monitoring, reporting and more. It allows companies to utilize the desktop or mobile applications to conduct HD video or voice conferences as well as manage voicemails.

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AVOXI logo

Hosted business phone system and call center solution

AVOXI is a cloud-based global voice and contact center solution that helps enterprises streamline customer service processes. With its interactive voice response (IVR) module, managers can configure the user interface and automatically route incoming calls to specific agents.

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Convoso logo

AI virtual agent for call center automation

Convoso is a VoIP based PBX phone system, that will dramatically increase contact and lead conversion rates.

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UJET logo

Customer interaction & support platform with CRM integration

UJET is a modern cloud contact center software company with leading innovation in smartphone-era customer support on the web, phone, and mobile apps.

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NUACOM logo

All-in-one Cloud Phone System for SMBs

NUACOM offers an all-in-one Cloud phone system for SMBs that need a modern, fully scalable business communication solution. The platform offers over 50 business-class features to help boost productivity, connect departments, and centralize telephony for all locations.

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55PBX logo

Virtual PBX solution to boost your team's productivity

55PBX is a Brazilian based Business Communications Platforms with Voip, Whatsapp, SMS and integrations with Support, Sales, Ecommerce that facilitates your team's communication with their customers.

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uContact logo

Beautiful Contact Center Solution - Omnichannel - All in One

uContact is a beautiful contact center solution designed to make the life of the agents easier and more productive. Ideal for inbound, outbound & blended call centers.

Key features:
- True All in One
- Omnichannel: Email, SMS, Web Chat, Facebook, Twitter.
- IVR
- Gamification
- Recording
- WFM

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Ringotel logo

Ringotel: Connect. Collaborate. Communicate.

Ringotel is a comprehensive softphone solution designed to help modernize business communications by integrating with existing phone systems and providing a unified experience across desktop and mobile devices. It supports multi-tenant systems, and features automated user onboarding via emails and QR codes. Ringotel also includes call features, cloud call recording, visual voicemail, video calls, business messaging, and CRM integrations for a streamlined experience.

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LeadDesk logo

Clear and Efficient Sales and Customer Service Software

LeadDesk is a cloud-based contact center software for outbound sales, inbound sales, and customer service. Features include an intelligent dialer, agent performance reporting, automated lead management, live dashboards, a customizable interface, and rule-based call distribution.

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ZIWO logo

API Based cloud contact center software with CRM Integration

ZIWO is a cloud call center software for sales, marketing, customer support for real or virtual agents. Features include CRM integration, outbound dialer, virtual phone , call tracking, call masking , Agent and Admin Mobile App along with live monitoring of Inbound & Outbound KPI such as IVR, FCR.

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ViaDialog logo

Cloud CCaaS platform for omnichannel customer service

Cloud-based CCaaS platform unifying voice, chat, email, SMS, and video with AI automation for omnichannel contact centers.

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VoiceSpin logo

Cloud-based contact center for sales & support teams

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

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ConneXio logo

Cloud-based customer interaction management software

ConneXio is a cloud-based customer interaction management system that helps businesses manage contact database, priority call routing (PCR), agent scripting, and more. The automated call distribution (ACD) system enables administrators to automatically distribute incoming calls to available agents.

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Call Center Studio logo

Pay-as-you-go • Scalable • AI Powered • Better CX

Call Center Studio is a web-based pay-as-you-go CCaaS packed with everything your operations need to become a 360-degree customer experience base.

Unleash your agents’ full potential, thrive with operational efficiency, and leverage scalability with remote-friendly Call Center Studio.

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net2phone Canada logo

Cloud-based VoIP communications platform for business users

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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EveryDay Voip logo

Cloud-based PBX system

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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