Quick Overview
- 1#1: RingCentral - Comprehensive cloud PBX platform delivering unified communications including voice, video, messaging, and team collaboration tools.
- 2#2: Nextiva - Scalable cloud phone system with advanced PBX features, CRM integrations, analytics, and top-rated customer support.
- 3#3: Zoom Phone - Cloud-based phone system that integrates seamlessly with Zoom video for reliable business calling and meetings.
- 4#4: 8x8 - Integrated XCaaS platform offering cloud PBX, video conferencing, chat, contact center, and AI-powered analytics.
- 5#5: Vonage Business Communications - Flexible cloud PBX with global voice calling, SMS, video, APIs, and programmable communications for businesses.
- 6#6: Dialpad - AI-driven cloud communications platform for voice calls, meetings, messaging, and intelligent contact center solutions.
- 7#7: Ooma Office - Cost-effective cloud PBX service with unlimited calling, virtual receptionist, mobile apps, and easy setup.
- 8#8: GoTo Connect - Unified cloud phone system combining PBX voice, video meetings, team chat, and SMS for SMB productivity.
- 9#9: Intermedia Unite - All-in-one UCaaS solution with cloud PBX, Microsoft Teams integration, email, and security features.
- 10#10: Phone.com - Affordable, flexible cloud PBX for small businesses offering unlimited US calling, texting, video, and fax.
We ranked these tools based on comprehensive feature sets (including voice, video, and integration capabilities), consistent performance, user-friendly design, and strong value, ensuring a balanced evaluation of options suitable for varied business needs.
Comparison Table
Cloud PBX software simplifies business communication, with diverse tools tailored to varying needs. This comparison table details top options like RingCentral, Nextiva, Zoom Phone, 8x8, Vonage Business Communications, and more, analyzing their key features, pricing structures, and standout benefits. Readers will gain clear insights to choose the right solution for their team’s size and operational requirements.
| # | Tool | Category | Overall | Features | Ease of Use | Value |
|---|---|---|---|---|---|---|
| 1 | RingCentral Comprehensive cloud PBX platform delivering unified communications including voice, video, messaging, and team collaboration tools. | enterprise | 9.4/10 | 9.6/10 | 8.9/10 | 8.7/10 |
| 2 | Nextiva Scalable cloud phone system with advanced PBX features, CRM integrations, analytics, and top-rated customer support. | enterprise | 9.2/10 | 9.5/10 | 9.0/10 | 8.8/10 |
| 3 | Zoom Phone Cloud-based phone system that integrates seamlessly with Zoom video for reliable business calling and meetings. | enterprise | 8.8/10 | 9.2/10 | 9.0/10 | 8.3/10 |
| 4 | 8x8 Integrated XCaaS platform offering cloud PBX, video conferencing, chat, contact center, and AI-powered analytics. | enterprise | 8.2/10 | 8.7/10 | 8.0/10 | 7.8/10 |
| 5 | Vonage Business Communications Flexible cloud PBX with global voice calling, SMS, video, APIs, and programmable communications for businesses. | enterprise | 8.4/10 | 9.1/10 | 8.0/10 | 7.7/10 |
| 6 | Dialpad AI-driven cloud communications platform for voice calls, meetings, messaging, and intelligent contact center solutions. | enterprise | 8.7/10 | 9.2/10 | 8.8/10 | 8.3/10 |
| 7 | Ooma Office Cost-effective cloud PBX service with unlimited calling, virtual receptionist, mobile apps, and easy setup. | enterprise | 8.1/10 | 7.9/10 | 8.7/10 | 8.5/10 |
| 8 | GoTo Connect Unified cloud phone system combining PBX voice, video meetings, team chat, and SMS for SMB productivity. | enterprise | 8.3/10 | 8.6/10 | 8.8/10 | 7.9/10 |
| 9 | Intermedia Unite All-in-one UCaaS solution with cloud PBX, Microsoft Teams integration, email, and security features. | enterprise | 8.7/10 | 9.1/10 | 8.5/10 | 8.3/10 |
| 10 | Phone.com Affordable, flexible cloud PBX for small businesses offering unlimited US calling, texting, video, and fax. | enterprise | 7.6/10 | 7.4/10 | 8.2/10 | 8.0/10 |
Comprehensive cloud PBX platform delivering unified communications including voice, video, messaging, and team collaboration tools.
Scalable cloud phone system with advanced PBX features, CRM integrations, analytics, and top-rated customer support.
Cloud-based phone system that integrates seamlessly with Zoom video for reliable business calling and meetings.
Integrated XCaaS platform offering cloud PBX, video conferencing, chat, contact center, and AI-powered analytics.
Flexible cloud PBX with global voice calling, SMS, video, APIs, and programmable communications for businesses.
AI-driven cloud communications platform for voice calls, meetings, messaging, and intelligent contact center solutions.
Cost-effective cloud PBX service with unlimited calling, virtual receptionist, mobile apps, and easy setup.
Unified cloud phone system combining PBX voice, video meetings, team chat, and SMS for SMB productivity.
All-in-one UCaaS solution with cloud PBX, Microsoft Teams integration, email, and security features.
Affordable, flexible cloud PBX for small businesses offering unlimited US calling, texting, video, and fax.
RingCentral
enterpriseComprehensive cloud PBX platform delivering unified communications including voice, video, messaging, and team collaboration tools.
RingCX AI suite for intelligent call transcription, sentiment analysis, and automated customer interactions
RingCentral is a leading cloud PBX solution delivering unified communications as a service (UCaaS) with voice calling, SMS/MMS, video conferencing, team messaging, and AI-driven tools all in one platform. It supports businesses with scalable deployments, global calling, and deep integrations with CRM, collaboration apps like Microsoft Teams, and productivity suites. The service emphasizes reliability, security compliance (HIPAA, GDPR), and analytics for optimizing communications.
Pros
- Comprehensive UCaaS with voice, video, messaging, and AI features
- Extensive integrations including Salesforce, Microsoft 365, and Zendesk
- High reliability with 99.999% uptime SLA and global presence
Cons
- Premium pricing can be steep for small teams
- Steep learning curve for advanced admin features
- Some AI and analytics tools require add-on purchases
Best For
Mid-market and enterprise businesses needing a scalable, all-in-one cloud PBX with robust integrations and AI capabilities.
Pricing
Core plan at $20/user/month, Advanced at $25/user/month, Ultra at $35/user/month (billed annually); custom enterprise pricing available.
Nextiva
enterpriseScalable cloud phone system with advanced PBX features, CRM integrations, analytics, and top-rated customer support.
Pure IP Network delivering 99.999% uptime and crystal-clear HD voice quality without public internet dependency
Nextiva is a comprehensive cloud PBX platform delivering unified communications for businesses, including VoIP calling, video conferencing, team messaging, SMS, and fax services. It supports advanced call management features like auto-attendants, call queues, ring groups, and CRM integrations with tools such as Salesforce and Microsoft Dynamics. With a focus on reliability, Nextiva boasts 99.999% uptime via its private Pure IP network and offers mobile/desktop apps for seamless remote work.
Pros
- Exceptional 24/7 U.S.-based customer support with white-glove onboarding
- Robust feature set including AI-powered call analytics and transcription
- High reliability with 99.999% uptime and unlimited US/Canada calling
Cons
- Higher pricing for smaller teams compared to basic VoIP providers
- Advanced features like video conferencing locked behind higher tiers
- International calling minutes limited in entry-level plans
Best For
Medium to large businesses needing a scalable, all-in-one cloud PBX with enterprise-grade reliability and support.
Pricing
Essential ($18.95/user/mo), Professional ($22.95/user/mo), Enterprise ($32.95/user/mo), billed annually with a minimum of 5 users.
Zoom Phone
enterpriseCloud-based phone system that integrates seamlessly with Zoom video for reliable business calling and meetings.
One-click conversion of voice calls into Zoom video meetings
Zoom Phone is a robust cloud PBX solution from Zoom that provides enterprise-grade voice calling, SMS/MMS, auto-attendants, call queues, and voicemail transcription, all integrated seamlessly with Zoom's video conferencing platform. It supports virtual numbers, call monitoring, analytics, and AI-powered features like intelligent call summaries. Designed for scalability, it caters to businesses seeking unified communications without on-premise hardware.
Pros
- Seamless integration with Zoom video meetings for instant call-to-conference escalation
- Comprehensive PBX features including call queues, monitoring, and AI Companion tools
- High call quality and reliability with global number provisioning
Cons
- International calling incurs extra metered fees beyond domestic unlimited plans
- Best suited for existing Zoom users; standalone setup may feel ecosystem-locked
- Advanced analytics and some features require higher-tier subscriptions
Best For
Mid-to-large businesses already using Zoom who want tightly integrated voice and video communications.
Pricing
Starts at $10/user/month (metered calling) or $15/user/month (unlimited US/Canada calling), plus required Zoom Phone license; billed annually with add-ons for international.
8x8
enterpriseIntegrated XCaaS platform offering cloud PBX, video conferencing, chat, contact center, and AI-powered analytics.
Pure Cloud AI, which provides real-time call transcription, sentiment analysis, and automated quality management
8x8 is a comprehensive cloud communications platform providing unified communications as a service (UCaaS), including cloud PBX functionality for voice calling, video meetings, team messaging, and contact center solutions. It enables businesses to deploy scalable virtual phone systems with features like IVR, call routing, auto-attendants, and mobile/softphone apps accessible from anywhere. The platform emphasizes integrations with CRM tools like Salesforce and Microsoft Teams, along with AI-driven analytics for enhanced call management and customer insights.
Pros
- All-in-one UCaaS with integrated contact center and AI analytics
- Global reach with unlimited calling in 48+ countries
- Robust security and compliance (HIPAA, GDPR, FedRAMP)
Cons
- Pricing escalates quickly for advanced features
- Occasional reliability issues with call quality reported
- Customer support can be inconsistent
Best For
Mid-sized businesses needing a scalable, integrated cloud PBX with video, chat, and contact center capabilities for global teams.
Pricing
Starts at $15/user/month (X2 plan) for basic PBX; up to $44/user/month (X8 plan) for full UCaaS and contact center features; annual contracts required.
Vonage Business Communications
enterpriseFlexible cloud PBX with global voice calling, SMS, video, APIs, and programmable communications for businesses.
SuperNetwork for guaranteed high-quality global voice and video connectivity
Vonage Business Communications is a robust cloud PBX platform providing unified communications with VoIP calling, video meetings, team messaging, and SMS capabilities. It includes advanced features like AI-driven call analytics, intelligent call routing, auto-attendants, and seamless CRM integrations such as Salesforce and Microsoft Teams. Businesses can scale easily without hardware, leveraging Vonage's global network for high-quality connections worldwide.
Pros
- Comprehensive UCaaS features including AI analytics and video
- Strong integrations with CRM and productivity tools
- Reliable global call quality via SuperNetwork
Cons
- Higher pricing compared to basic VoIP providers
- Setup and advanced customization can be complex
- Mixed customer support experiences
Best For
Mid-sized businesses needing scalable unified communications with international calling.
Pricing
Starts at $20.99/user/month (Mobile plan, annual billing) up to $37.99/user/month (Elite plan) with add-ons available.
Dialpad
enterpriseAI-driven cloud communications platform for voice calls, meetings, messaging, and intelligent contact center solutions.
AI Live Coach provides real-time guidance and sentiment analysis during calls
Dialpad is a cloud-based PBX solution that delivers VoIP calling, SMS/MMS, video conferencing, and team messaging in a unified platform. It stands out with AI-driven features like real-time call transcription, sentiment analysis, and live coaching to improve agent performance and customer interactions. Designed for modern businesses, it offers seamless integrations with CRMs such as Salesforce and HubSpot, along with robust analytics for call insights.
Pros
- AI-powered transcription, coaching, and analytics enhance call efficiency
- Strong CRM integrations and mobile-first design
- Unlimited domestic calling and high reliability in the cloud
Cons
- Higher pricing for advanced features and international calling
- Occasional reports of call quality variability
- Customer support can be slower for non-enterprise users
Best For
Mid-sized sales, support, and customer service teams seeking AI-enhanced cloud communications with CRM integrations.
Pricing
Starts at $15/user/month (Standard), $25/user/month (Pro), custom Enterprise plans; billed annually with unlimited US/Canada calling.
Ooma Office
enterpriseCost-effective cloud PBX service with unlimited calling, virtual receptionist, mobile apps, and easy setup.
PureVoice HD technology delivering superior audio clarity even on poor connections
Ooma Office is a cloud-based PBX solution providing businesses with VoIP telephony, including unlimited US/Canada calling, virtual numbers, auto-attendant, ring groups, and mobile/desktop apps. It supports features like SMS/MMS messaging, call recording, and integrations with tools like Microsoft Teams and Salesforce. Designed for easy deployment without on-premises hardware, it's scalable for small to mid-sized teams.
Pros
- Affordable pricing with no long-term contracts
- Quick setup and highly intuitive user interface
- Reliable call quality via PureVoice HD technology
Cons
- Limited free international calling (extra fees apply)
- Customer support primarily email/chat, no 24/7 phone
- Fewer advanced analytics and CRM integrations than enterprise rivals
Best For
Small to medium-sized businesses seeking a straightforward, budget-friendly cloud PBX for domestic communications.
Pricing
Essential: $19.95/user/month; Pro Plus: $24.95/user/month (annual billing required; monthly options higher).
GoTo Connect
enterpriseUnified cloud phone system combining PBX voice, video meetings, team chat, and SMS for SMB productivity.
Seamless all-in-one integration of PBX voice calling, HD video meetings, SMS/MMS, and team chat within a single intuitive interface
GoTo Connect is a cloud-based unified communications platform that provides a full-featured PBX system, including VoIP calling, video conferencing, SMS/MMS messaging, and team chat. It enables businesses to deploy a professional phone system with features like auto-attendants, call queues, ring groups, and real-time analytics without requiring on-premises hardware. The platform supports unlimited domestic calling in the US and Canada, global numbers, and seamless scalability for growing teams. Its intuitive admin portal simplifies setup and management for IT teams.
Pros
- Comprehensive unified communications suite with voice, video, SMS, and chat
- Quick deployment with no hardware needed and strong mobile/desktop apps
- Reliable call quality and unlimited US/Canada calling
Cons
- Higher pricing compared to some competitors
- Customer support response times can vary
- Limited advanced reporting and analytics options
Best For
Small to medium-sized businesses seeking an all-in-one cloud PBX with integrated video and messaging for remote and hybrid teams.
Pricing
Starts at $24/user/month (Basic), $29/user/month (Standard), $34/user/month (Premium), billed annually; includes unlimited calling in US/Canada.
Intermedia Unite
enterpriseAll-in-one UCaaS solution with cloud PBX, Microsoft Teams integration, email, and security features.
Native Microsoft Teams direct routing for full PBX functionality within Teams
Intermedia Unite is a comprehensive cloud PBX and unified communications (UCaaS) platform that delivers voice calling, SMS/MMS messaging, video conferencing, and team collaboration tools in one secure solution. It supports features like auto-attendants, call queues, IVR, unlimited US/Canada calling, and deep integrations with Microsoft 365 and Teams for telephony. Ideal for businesses needing reliable, scalable communication without on-premises hardware, it emphasizes security with HIPAA/GDPR compliance and AI-driven insights.
Pros
- Robust all-in-one UCaaS with PBX, messaging, and video
- Strong security features and compliance certifications
- Seamless Microsoft Teams and 365 integrations
Cons
- Pricing escalates for premium features
- Customer support response times can vary
- Limited advanced analytics in base plans
Best For
Medium-sized businesses requiring secure, integrated cloud PBX with Microsoft ecosystem compatibility.
Pricing
Starts at $23.95/user/month (Unite Pro, annual billing) up to $32.95/user/month (Unite Enterprise); per-user licensing with unlimited US/Canada calling.
Phone.com
enterpriseAffordable, flexible cloud PBX for small businesses offering unlimited US calling, texting, video, and fax.
Integrated SMS/MMS and HD video meetings alongside voice PBX in a single, easy-to-manage dashboard
Phone.com is a cloud-based PBX solution tailored for small businesses, delivering VoIP calling, SMS/MMS messaging, video conferencing, and auto-attendant features through a unified platform. It supports virtual numbers, call forwarding, voicemail-to-text, and integrations with CRM tools like Salesforce and HubSpot. Accessible via web, desktop, and mobile apps, it enables flexible communication for remote and hybrid teams.
Pros
- Affordable pricing with unlimited US/Canada calling on most plans
- Intuitive setup and user-friendly interface for quick deployment
- Strong mobile app support for on-the-go communication
Cons
- Limited advanced reporting and analytics compared to enterprise competitors
- Occasional call quality issues in high-traffic scenarios
- International calling rates can add up quickly
Best For
Small businesses and startups seeking a straightforward, budget-friendly cloud PBX without steep learning curves.
Pricing
Plans start at $12.99/user/month (X1, billed annually) up to $34.99/user/month (X4), including a 30-day free trial; pay-per-use for extras like international calls.
Conclusion
The top 10 cloud PBX tools reviewed cater to a range of business needs, with RingCentral emerging as the top choice for its comprehensive suite of unified communications features. Nextiva stands out as a strong alternative for scalable systems with robust CRM integrations, while Zoom Phone excels for seamless integration with popular video conferencing tools. Together, these platforms offer reliable, flexible solutions to enhance business communication.
To experience the all-in-one capabilities of the top-ranked cloud PBX, start exploring RingCentral today and discover how it can transform your team's connectivity and productivity.
Tools Reviewed
All tools were independently evaluated for this comparison