Best UCaaS Platforms with Voicemail to Email Capabilities

How Many UCaaS Platforms Products Does G2 Track?

Total Products under this Category: 318

Category Stats (Sep 2026)

  • Average Rating: 4.36/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Vodafone Unified Communications (+26.68%) - Among all products in this category, Vodafone Unified Communications recorded the largest rating increase compared to last month

Last updated: September 01, 2026

How Does G2 Rank UCaaS Platforms Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 98,900+ Authentic Reviews
  • 318+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for UCaaS Platforms

G2 Grid® for UCaaS Platforms plotting products by satisfaction and market presence

Highlighted products: Zoom Workplace, Webex Suite, Nextiva, RingEX, Webex Calling, 8x8 Work, Dialpad Connect, and Dialaxy.

Underlying data: [Grid® JSON](https://www.g2.com/categories/ucaas-platforms/grids.json?focus%5B%5D=zoom-workplace&focus%5B%5D=cisco-webex-suite&focus%5B%5D=nextiva&focus%5B%5D=ringex&focus%5B%5D=webex-calling&focus%5B%5D=8x8-work&focus%5B%5D=dialpad-connect&focus%5B%5D=dialaxy)

Zoom Workplace

Goodbye app overload. Hello effortless work. Work can be complicated. Your tools shouldn't be. Zoom Workplace connects all the ways you collaborate — from meetings to docs to chat and more — with built-in AI and seamless integrations that help teams focus and work flawlessly. Zoom Communications: Unified, Effortless Connection for Modern Work Bring every way your teams communicate—meetings, chat, calls, email, and scheduling—into one seamless experience. With Zoom, collaboration happens faster and more naturally across channels, without switching apps or losing context. From spontaneous chats to scheduled meetings and calls, everything stays connected, searchable, and secure—powered by one intuitive platform built for how modern teams work. Zoom Productivity: Workflows Connected, Work Effortless Transform how work gets done with AI-first collaboration that keeps people, content, and actions in one place. From brainstorming on whiteboards to co-creating in docs, sharing clips, and automating follow-ups, Zoom connects every step of your workflow. With Zoom Hub and integrated video management, knowledge stays organized, accessible, and actionable—so teams can move from idea to outcome without friction. Zoom Spaces: Smarter, Connected Workplaces for Every Team Bring your physical and hybrid environments to life with intelligent, connected spaces. Zoom Spaces unifies meeting rooms, desk reservations, digital signage, and visitor management into one seamless experience—making it simple to collaborate, navigate, and manage the workplace. Whether employees are remote, hybrid, or on-site, Zoom creates a consistent, secure, and flexible environment that keeps teams connected wherever work happens. Zoom Employee Engagement: Connect, Inspire, and Empower Every Employee Foster belonging and alignment with Workvivo by Zoom—a modern employee experience platform that unites communication, culture, and community in one place. From company-wide updates to recognition, feedback, and social engagement, Workvivo gives every employee a voice and a sense of connection. Built right into Zoom Workplace, it helps organizations strengthen culture, boost engagement, and keep teams informed and inspired—no matter where they work.

Average Rating: 4.5/5.0

Total Reviews: 53,598

How Do G2 Users Rate Zoom Workplace?

  • Has the product been a good partner in doing business?: 9.1/10 (Category avg: 8.9/10)
  • Tenancy Flexibility: 8.9/10 (Category avg: 8.8/10)
  • Video Conferencing: 9.3/10 (Category avg: 8.8/10)
  • Native VoIP: 8.8/10 (Category avg: 9.0/10)

Who Is the Company Behind Zoom Workplace?

  • Seller: Zoom
  • Company Website:
  • Year Founded: 2011
  • HQ Location: San Jose, CA
  • Twitter: @zoom
    1,042,714 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    14,013 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Owner, Software Engineer
  • Top Industries: Information Technology and Services, Computer Software
  • Company Size: 51% Small, 31% Medium

What Do G2 Reviewers Say About Zoom Workplace?

AI-generated summary from verified user reviews

Pros
  • Users love the ease of use of Zoom Workplace, enjoying seamless access to features with just a click.
  • Users appreciate the ease of collaboration in Zoom Workplace, especially with breakout rooms and seamless screen sharing.
  • Users value the reliability of Zoom Workplace, ensuring seamless connectivity and stability even during adverse conditions.
  • Users find the ease of use for meetings in Zoom Workplace invaluable for seamless collaboration and productivity.
  • Users enjoy the easy-to-use video conferencing features of Zoom, facilitating smooth communication and collaboration in hybrid work settings.
Cons
  • Users note the limited features of Zoom Workplace, expressing a need for improved built-in collaboration tools.
  • Users experience Zoom issues like fatigue, connectivity problems, and confusing configurations that hinder their overall meeting effectiveness.
  • Users experience Zoom fatigue, notification overload, and connectivity issues, making long meetings feel overwhelming and impersonal.
  • Users find missing features in Zoom Workplace, like improved sharing links and chat access post-calls, frustrating.
  • Users often face connection issues with Zoom Workplace, leading to a frustrating and less seamless experience.

What Are Recent G2 Reviews of Zoom Workplace?

What Are G2 Users Discussing About Zoom Workplace?

Nextiva

Nextiva is a Unified CXM company that provides AI-powered customer experience solutions. Nextiva powers 100,000+ businesses and billions of conversations every year with its all-in-one customer experience platform. From one AI-powered communication hub, Nextiva transforms the way businesses engage with their customers. The company’s commitment to Amazing Service® and a customer-focused approach has been its cornerstone for 15 years. Established in 2008 and headquartered in Scottsdale, Arizona, Nextiva secured $200M from Goldman Sachs Asset Management in its inaugural funding round, valuing the company at $2.7B in late 2021. Discover more at www.nextiva.com.

Average Rating: 4.5/5.0

Total Reviews: 3,595

How Do G2 Users Rate Nextiva?

  • Has the product been a good partner in doing business?: 8.9/10 (Category avg: 8.9/10)
  • Tenancy Flexibility: 8.5/10 (Category avg: 8.8/10)
  • Video Conferencing: 8.5/10 (Category avg: 8.8/10)
  • Native VoIP: 9.1/10 (Category avg: 9.0/10)

Who Is the Company Behind Nextiva?

  • Seller: Nextiva
  • Year Founded: 2008
  • HQ Location: Scottsdale, Arizona
  • Twitter: @Nextiva
    21,295 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,497 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Owner, Office Manager
  • Top Industries: Hospital & Health Care, Insurance
  • Company Size: 77% Small, 22% Medium

What Do G2 Reviewers Say About Nextiva?

AI-generated summary from verified user reviews

Pros
  • Users applaud Nextiva's amazing customer support, highlighting excellent service, knowledge, and ease of access for assistance.
  • Users appreciate the ease of use of Nextiva, highlighting its intuitive interface and simple setup process.
  • Users rave about the exceptional customer service of Nextiva, highlighting its knowledge and support availability.
  • Users commend the easy setup of Nextiva, highlighting a seamless onboarding experience with excellent customer support.
  • Users commend Nextiva's reliability, noting quick customer support and easy, intuitive system integration for seamless communication.
Cons
  • Users find the difficult configuration of Nextiva to be clunky and often overwhelming, impacting their initial experience.
  • Users find the onboarding complexity of Nextiva frustrating, with slow support and frequent setup issues hindering functionality.
  • Users are frustrated with number issues, including delays, limitations on SMS attachments, and cumbersome support processes.
  • Users find the complex processes of Nextiva challenging, particularly in setup and navigation for small businesses.
  • Users find the difficult setup of Nextiva to be clunky and challenging, impacting their overall experience.

What Are Recent G2 Reviews of Nextiva?

What Are G2 Users Discussing About Nextiva?

RingEX

WHAT IS RINGEX? RingEX is the all-in-one business communications platform that connects teams, customers, and conversations across voice, video, messaging, SMS, and AI agents all powered by AI. Designed for organizations that value productivity, customer satisfaction, and simplicity, RingEX brings together everything your business needs to collaborate and engage effectively from anywhere. ADVANCED AI WITH AIR, AVA, AND ACE RingEX transforms every interaction into a strategic advantage through three specialized AI agents. AI Receptionist (AIR) acts as an intelligent digital front desk, answering calls 24/7 in natural, multilingual conversations to answer FAQs, capture leads, schedule appointments, and route complex calls with full context. AI Virtual Assistant (AVA) acts as a proactive co-pilot for daily tasks, automatically capturing meeting summaries, generating follow-up actions, and drafting context-aware messages. AI Conversation Expert (ACE) serves as a flagship conversation intelligence platform, analyzing every interaction to provide coaching, automated call scoring, and deep sentiment analysis. By turning raw data into executive insights and syncing directly with your CRM, ACE helps leaders replicate winning behaviors and stay ahead of customer trends. NEW: CUSTOMER ENGAGEMENT BUNDLE Built for small and mid-sized customer-facing teams, the Customer Engagement Bundle helps businesses deliver faster, more connected customer support without the complexity of a full contact center. The bundle seamlessly blends voice and SMS support in one unified workspace. Key capabilities include a shared SMS inbox for team visibility, automated SMS opt-out compliance, and reply templates to maintain a consistent brand voice. It also features queue transparency with place-in-line updates and live reports for real-time visibility into agent performance and service quality. WHY RINGEX? Whether your team is connecting internally or engaging customers, RingEX delivers reliability, flexibility, and intelligence in one platform. Backed by enterprise-grade security, RingEX helps you stay connected and responsive at every moment that matters. RingEX customers gain smarter communication with AVA, revenue intelligence with ACE, and better customer experiences through the Customer Engagement Bundle. RingEX isn’t just a phone system. It is the intelligent core of your business that ensures every conversation—internal or external—is connected, analyzed, and impactful.

Average Rating: 4.2/5.0

Total Reviews: 1,416

How Do G2 Users Rate RingEX?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.9/10)
  • Tenancy Flexibility: 8.6/10 (Category avg: 8.8/10)
  • Video Conferencing: 8.7/10 (Category avg: 8.8/10)
  • Native VoIP: 8.8/10 (Category avg: 9.0/10)

Who Is the Company Behind RingEX?

  • Seller: RingCentral
  • Company Website:
  • Year Founded: 1999
  • HQ Location: Belmont, CA
  • Twitter: @RingCentral
    61,963 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    6,675 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: CEO, Owner
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 57% Small, 34% Medium

What Do G2 Reviewers Say About RingEX?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use of RingEX, making communication and collaboration seamless for their teams.
  • Users value the helpful customer support of RingEX, enhancing the overall experience and usability for everyone.
  • Users find RingEX to be incredibly helpful for maintaining client connections, enhancing reliability and support.
  • Users commend the reliability of RingEX, ensuring consistent connections and high-quality communication experiences.
  • Users appreciate the high-definition voice quality of RingEX, enhancing communication and customer support experiences.
Cons
  • Users find the complex processes in RingEX challenging, particularly when navigating setup and administration aspects.
  • Users often face call issues with RingEX, including inadequate tracking of calls and poor customer support experiences.
  • Users find the customer support challenging, often facing difficulties in communication and unnecessary complications.
  • Users find the difficulties with customer service occasionally complicate resolutions and frustrate the overall experience.
  • Users find the admin config options unintuitive, making tasks like changing voicemail messages and hold music overly complex.

What Are Recent G2 Reviews of RingEX?

What Are G2 Users Discussing About RingEX?

8x8 Work

8x8 Work – Business Phone System + VoIP, Video, and Messaging in One App 8x8 Work is a modern business phone system that unifies VoIP calling, video conferencing, and team messaging into one secure, reliable platform. Built for today’s hybrid workplace, 8x8 Work helps businesses streamline communication, boost productivity, and reduce IT complexity. It’s more than just a UCaaS solution — 8x8 Work is your entry point into The 8x8 Platform for CX, giving you the flexibility to scale from internal collaboration to full customer engagement with voice, video, chat, and APIs — all on one integrated platform. Top Reasons to Choose 8x8 Work All-in-One Cloud Communications: Replace separate phone, video, and messaging tools with a unified solution. Enterprise-Grade VoIP: Global voice coverage in 55+ countries, HD call quality, and a 99.999% uptime SLA. AI-Driven Meetings & Messaging: Host secure video meetings with smart summaries, live transcription, and integrated chat. Integrated Admin & Reporting: Centralized control panel for managing users, call routing, analytics, and permissions. Trusted Security & Compliance: SOC 2, ISO 27001, HIPAA-ready — secure by design, not by add-on. Scalable to Contact Center: Seamlessly expand to include 8x8’s contact center, CPaaS, and AI capabilities when you’re ready. Features That Drive Productivity Business Phone System: Cloud-based PBX with voicemail, auto-attendant, call queues, number porting, and business SMS/MMS. Video Conferencing: Run secure, high-quality video meetings with up to 500 participants — no downloads required. Team Messaging: Create chat rooms, share files, pin important messages, and collaborate in real time. Mobile + Desktop Access: Use one app across all devices — Windows, Mac, iOS, Android, and web. Built-In Analytics: Get real-time visibility into usage, call quality, and team performance with visual dashboards. 40+ Integrations: Connect easily with Salesforce, Microsoft Teams, Google Workspace, Zendesk, and more. AI Enhancements: Use smart transcription, in-meeting summaries, and keyword detection to work smarter. The Power Behind 8x8 Work With over 300 patents and decades of cloud communications leadership, 8x8 helps businesses simplify IT, enhance employee experience, and accelerate customer engagement. 8x8 Work is the trusted choice for companies looking to modernize communications and prepare for what’s next.

Average Rating: 4.2/5.0

Total Reviews: 899

How Do G2 Users Rate 8x8 Work?

  • Has the product been a good partner in doing business?: 8.5/10 (Category avg: 8.9/10)
  • Tenancy Flexibility: 8.3/10 (Category avg: 8.8/10)
  • Video Conferencing: 8.0/10 (Category avg: 8.8/10)
  • Native VoIP: 8.7/10 (Category avg: 9.0/10)

Who Is the Company Behind 8x8 Work?

  • Seller: 8x8
  • Company Website:
  • Year Founded: 1987
  • HQ Location: San Jose, CA
  • Twitter: @8x8
    11,056 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    2,846 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Owner, IT Manager
  • Top Industries: Information Technology and Services, Financial Services
  • Company Size: 54% Small, 35% Medium

What Do G2 Reviewers Say About 8x8 Work?

AI-generated summary from verified user reviews

Pros
  • Users value the ease of use in 8x8 Work, which simplifies daily communication and enhances operational efficiency.
  • Users value the easy communication enabled by 8x8 Work, facilitating calls from anywhere with seamless integration.
  • Users appreciate the reliability of 8x8 Work, citing minimal downtime and exceptional support throughout their experience.
  • Users value the quick and efficient customer support of 8x8 Work, easily transitioning from chatbot to human assistance.
  • Users value the convenience of all-in-one communications with 8x8 Work, making remote work and management seamless.
Cons
  • Users find the slow customer service response frustrating, negatively impacting their overall experience with 8x8 Work.
  • Users find the customer support response slow, leading to frustrations with troubleshooting and configuration issues.
  • Users find the poor customer support challenging, causing delays and frustration in resolving issues and configurations.
  • Users find the limited features of 8x8 Work restrict effective CRM integration and advanced functionalities.
  • Users experience technical issues with lagging apps and login troubles, which can be frustrating and time-consuming.

What Are Recent G2 Reviews of 8x8 Work?

What Are G2 Users Discussing About 8x8 Work?

Dialpad Connect

Dialpad Connect is an AI-native business communications solution that brings calling, messaging, and meetings together in one app, with real-time AI insights built in to enhance every interaction. With Dialpad Connect, you can: - Call, message, and meet in a single app - Seamlessly switch between devices - Focus on the conversation with real-time call transcriptions, AI summaries, and action items

Average Rating: 4.4/5.0

Total Reviews: 4,041

How Do G2 Users Rate Dialpad Connect?

  • Has the product been a good partner in doing business?: 8.9/10 (Category avg: 8.9/10)
  • Tenancy Flexibility: 8.8/10 (Category avg: 8.8/10)
  • Video Conferencing: 9.3/10 (Category avg: 8.8/10)
  • Native VoIP: 9.2/10 (Category avg: 9.0/10)

Who Is the Company Behind Dialpad Connect?

  • Seller: Dialpad
  • Company Website:
  • Year Founded: 2011
  • HQ Location: San Ramon, California
  • Twitter: @DialpadHQ
    60 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,503 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Owner, CEO
  • Top Industries: Information Technology and Services, Marketing and Advertising
  • Company Size: 56% Small, 32% Medium

What Do G2 Reviewers Say About Dialpad Connect?

AI-generated summary from verified user reviews

Pros
  • Users value the ease of use of Dialpad Connect, enjoying its intuitive interface and seamless integrations.
  • Users value the call management features of Dialpad Connect, noting ease of use and excellent call quality.
  • Users value the helpfulness of AI transcription, enhancing efficiency and ease of use in their workflows.
  • Users value the call recording feature of Dialpad Connect for its utility and ease of review.
  • Users love the AI-powered features of Dialpad Connect, enhancing productivity with real-time transcription and sentiment analysis.
Cons
  • Users report call quality issues with Dialpad Connect, especially during important conversations and varying network conditions.
  • Users experience connection issues with Dialpad Connect, often facing call quality problems that disrupt communication.
  • Users find the missing functionality frustrating, especially the lack of options beyond DND and syncing issues with Podio.
  • Users experience recording issues with Dialpad Connect, expressing frustrations about voice recording and voicemail customization.
  • Users report call quality issues including dropped calls and difficulties in connecting, leading to frustration and lost communications.

What Are Recent G2 Reviews of Dialpad Connect?

What Are G2 Users Discussing About Dialpad Connect?

3CX

3CX is a business communications system that replaces traditional PBXs. Offering one all encompassing solution for calls, video conferencing, live chat and messaging. It's open standard, meaning you can use it with any IP Phone or SIP trunk provider. Built for remote working and mobility through its apps for Android, iOS and the Web. This award-winning software innovates business connectivity and collaboration. enabling companies of all sizes to cut telco costs, boost employee productivity, and enhance customer experience. Benefits: Easy to install and manage; Low cost to buy and maintain. Available on-premise or hosted.

Average Rating: 4.4/5.0

Total Reviews: 431

How Do G2 Users Rate 3CX?

  • Has the product been a good partner in doing business?: 8.6/10 (Category avg: 8.9/10)
  • Tenancy Flexibility: 10.0/10 (Category avg: 8.8/10)
  • Video Conferencing: 8.6/10 (Category avg: 8.8/10)
  • Native VoIP: 9.7/10 (Category avg: 9.0/10)

Who Is the Company Behind 3CX?

  • Seller: 3CX
  • Company Website:
  • Year Founded: 2005
  • HQ Location: Nicosia
  • Twitter: @3CX
    30,475 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    183 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: IT Manager, President
  • Top Industries: Information Technology and Services, Telecommunications
  • Company Size: 50% Medium, 43% Small

What Do G2 Reviewers Say About 3CX?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use of 3CX, finding it reliable and convenient for seamless communication.
  • Users commend the reliability of 3CX, appreciating smooth communication and consistent call quality across multiple platforms.
  • Users value the flexibility of 3CX, enjoying cost savings and seamless communication on one platform.
  • Users value the smooth and reliable communication of 3CX, appreciating its seamless integration and great call quality.
  • Users praise the easy setup of 3CX, allowing for quick deployment and seamless integration into existing systems.
Cons
  • Users find 3CX's complex processes challenging, especially for non-technical administrators and advanced feature configurations.
  • Users find difficult configuration for non-technical administrators frustrating, making setup and troubleshooting a challenging experience.
  • Users find the learning curve challenging, especially non-technical administrators who struggle with configuration and troubleshooting.
  • Users note limited features in 3CX, especially following updates that removed useful reports and hinder customizations.
  • Users find 3CX to be expensive, especially for non-profits seeking more affordable pricing options.

What Are Recent G2 Reviews of 3CX?

What Are G2 Users Discussing About 3CX?

Vonage Business Communications

Work smarter with Vonage Business Communications, our unified communications platform: seamlessly connect via voice, messaging and video, virtually anywhere globally. Over 40 powerful features give you the right balance of flexibility and control, offering everything your business needs to work smarter. With our award-winning mobile app, you can manage your communications from any device and collaborate from virtually anywhere. We boast a 99.999% uptime reliability¹, ensuring maximum productivity. Setup is simple, quick, and easy to scale as your business grows. No annual contracts mean you can cancel anytime. And we pride ourselves on top-notch customer service: access to help is just plain simple. That means you can call, email, chat, or visit our online support centers. We even offer customer portals with knowledge base articles that can help you find answers 24/7. ¹The 99.999% uptime claim is based on an average of Vonage Business's call availability.

Average Rating: 4.3/5.0

Total Reviews: 477

How Do G2 Users Rate Vonage Business Communications?

  • Has the product been a good partner in doing business?: 8.9/10 (Category avg: 8.9/10)
  • Tenancy Flexibility: 8.6/10 (Category avg: 8.8/10)
  • Video Conferencing: 8.6/10 (Category avg: 8.8/10)
  • Native VoIP: 8.9/10 (Category avg: 9.0/10)

Who Is the Company Behind Vonage Business Communications?

  • Seller: Vonage
  • Year Founded: 2001
  • HQ Location: Holmdel, NJ
  • Twitter: @Vonage
    11,195 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    2,776 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: President, Office Manager
  • Top Industries: Staffing and Recruiting, Information Technology and Services
  • Company Size: 60% Small, 33% Medium

What Do G2 Reviewers Say About Vonage Business Communications?

AI-generated summary from verified user reviews

Pros
  • Users find Vonage Business Communications extremely easy to use, with seamless integration and user-friendly features.
  • Users value the reliability of Vonage Business Communications, seamlessly connecting them even while working remotely or on vacation.
  • Users love the comprehensive calling features of Vonage, which include messaging, call recording, and easy management options.
  • Users commend the exceptional customer support from Vonage, ensuring seamless communication and smooth transitions for businesses.
  • Users value the easy-to-use messaging features of Vonage, facilitating seamless communication from anywhere.
Cons
  • Users report texting limitations with Vonage, citing unreliable delivery and difficulties in exporting contacts or data.
  • Users experience frequent call drops and connection issues, affecting communication during important conversations.
  • Users experience slow and unhelpful customer support, encountering issues that complicate problem resolution and service use.
  • Users frequently encounter call connectivity issues, including dropped calls and difficulties in transferring calls seamlessly.
  • Users report frequent connection issues with Vonage, causing missed calls and disruptions during conversations.

What Are Recent G2 Reviews of Vonage Business Communications?

What Are G2 Users Discussing About Vonage Business Communications?