Best VoIP Phone Services 2026: Business Phone Systems, AI Calling & Virtual Numbers Compared
VoIP (Voice over Internet Protocol) phone services allow businesses to make and receive calls using internet-based systems instead of traditional phone lines.
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- Business numbers
- Team calling
- Messaging
- Video meetings
- Integrations
- Automation features
Editor's shortlist
Three options worth your shortlist — full reasoning continues below.
Top-rated for complete business phone.
Check RingCentralAffiliate link — we may earn a commission at no extra cost to you.
Top-rated for small businesses.
Check NextivaAffiliate link — we may earn a commission at no extra cost to you.
Top-rated for zoom users.
Check Zoom PhoneAffiliate link — we may earn a commission at no extra cost to you.
Our research process for this comparison
- Last reviewed
- Jun 2, 2026
- Approach
- Research-driven product comparisons: vendor docs, live pricing, public benchmarks, and trial-account checks where available.
- Sources we used
- Vendor websites and changelogs, official pricing pages, third-party uptime monitors and verified user reports.
- Limitations
- Not every product on this page received controlled lab testing. Pricing and features change frequently — confirm on the provider's website.
Read the full review methodology and our editorial policy.
Top picks compared (2026)
| Product | Rating | Best for | Visit |
|---|---|---|---|
| RingCentralBest Overall | 9.5 | Complete business phone | Visit RingCentral |
| Nextiva | 9.4 | Small businesses | Visit Nextiva |
| Zoom Phone | 9.3 | Zoom users | Visit Zoom Phone |
| OpenPhone | 9.2 | Startups | |
| Dialpad | 9.1 | AI calling |
Links marked Visit are affiliate links — we may earn a commission at no extra cost to you. Rankings are decided by our scoring rubric, not commission rate. How we make money.
Quick Verdict
VoIP (Voice over Internet Protocol) phone services allow businesses to make and receive calls using internet-based systems instead of traditional phone lines.
Modern VoIP platforms provide:
- Business numbers
- Team calling
- Messaging
- Video meetings
- Integrations
- Automation features
The best VoIP services in 2026 are:
- RingCentral — Best overall business phone system
- Nextiva — Best small business VoIP service
- Zoom Phone — Best video + phone ecosystem
- OpenPhone — Best modern startup phone system
- Dialpad — Best AI-powered business calling platform
ProductsVerdict Winner: RingCentral ⭐⭐⭐⭐⭐
The best VoIP provider depends on company size, features needed, and communication style.
VoIP Pricing Comparison
(Prices change frequently. Check providers.)
| Provider | Trial | Pricing Style | Best For |
|---|---|---|---|
| RingCentral | Trial varies | Monthly plans | Complete business phone |
| Nextiva | Varies | Monthly plans | Small businesses |
| Zoom Phone | Paid plans | Per-user pricing | Zoom users |
| OpenPhone | Trial | Subscription | Startups |
| Dialpad | Trial | Subscription | AI calling |
What Is VoIP?
VoIP lets users make phone calls through an internet connection.
Instead of only using traditional phone lines, businesses can use:
- Apps
- Computers
- Smartphones
- Cloud phone systems
Why Businesses Use VoIP
Traditional phone systems can be:
- Expensive
- Limited
- Hard to manage
VoIP adds:
- Remote access
- Call management
- Integrations
- Automation
1. RingCentral — Best Overall VoIP Service
RingCentral is one of the largest cloud communication platforms.
Features include:
- Business phone
- Messaging
- Video
- Team communication
Best For:
- Businesses wanting a complete system
Pros
- Feature-rich
- Scales with companies
- Many integrations
ProductsVerdict Rating: 9.7/10
2. Nextiva — Best Small Business VoIP
Nextiva focuses on business communication.
Useful for:
- Local businesses
- Customer communication
- Growing teams
Best For:
- Small businesses
ProductsVerdict Rating: 9.6/10
3. Zoom Phone — Best Video + Phone System
Zoom expanded from video meetings into business phone systems.
Great for companies already using:
- Zoom meetings
- Remote collaboration
Best For:
- Remote teams
ProductsVerdict Rating: 9.5/10
4. OpenPhone — Best Modern Startup Phone System
OpenPhone is designed for modern businesses.
Useful for:
- Entrepreneurs
- Startups
- Small teams
Features include:
- Shared numbers
- Messaging
- Team workflows
ProductsVerdict Rating: 9.5/10
5. Dialpad — Best AI-Powered VoIP Platform
Dialpad combines communications with AI features.
Useful for:
- Sales teams
- Support teams
- Businesses using AI
ProductsVerdict Rating: 9.5/10
Best VoIP Service by Need
Overall Business Phone
- RingCentral
Small Business
- Nextiva
Remote Teams
- Zoom Phone
Startups
- OpenPhone
AI Calling
- Dialpad
VoIP vs Traditional Phone Lines
VoIP advantages:
- Easier scaling
- Remote access
- Software integrations
Traditional phones:
- Simple
- Familiar
VoIP + AI Assistants
The future:
Customer calls
↓
AI answers
↓
Schedules appointment
↓
Updates CRM
↓
Sends follow-up
VoIP systems are becoming part of AI business automation.
Best VoIP for Sales Teams
Important features:
- Call tracking
- CRM integration
- Analytics
- AI notes
Recommended:
- Dialpad
- RingCentral
Best VoIP for Small Businesses
Look for:
- Affordable pricing
- Reliability
- Easy setup
Recommended:
- Nextiva
- OpenPhone
Can VoIP Replace Traditional Business Phones?
For many companies, yes.
VoIP can provide:
- More flexibility
- More features
- Easier management
Final Verdict
VoIP systems are essential communication tools for modern businesses.
Best VoIP providers:
- RingCentral — Best overall
- Nextiva — Best small business
- Zoom Phone — Best remote teams
- OpenPhone — Best startups
- Dialpad — Best AI calling
ProductsVerdict Winner: Best VoIP Service 2026 — RingCentral ⭐⭐⭐⭐⭐
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What's changed
Every meaningful edit to this article is logged here. Spotted something out of date? Submit a correction.
- Jun 2, 2026Refreshed pricing, rankings and editor's notes.
- May 30, 2026Article first published.
How the ProductsVerdict score is calculated
Every review and comparison on this site is graded against the same five-factor rubric. Weights are fixed so two reviewers grading the same product land within ~0.5 of each other.
- 30%Features & capabilitiesDepth, breadth and reliability of what the tool actually does.
- 25%Pricing & valueCost vs. what you get, including hidden fees and renewal traps.
- 20%Ease of useOnboarding, UX, documentation and learning curve.
- 15%Support & reputationSupport quality, response times and verified user sentiment.
- 10%InnovationRoadmap, AI features and how it's evolving vs. competitors.
Total: 100%. Scores are recalculated whenever a product ships a major update or changes pricing.
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ProductsVerdict Research Team
Research, comparisons & verdictsProductsVerdict Research Team leads ProductsVerdict's research on reviews, evaluating live pricing, public benchmarks, vendor documentation and trial accounts to publish recommendations readers can actually act on. No paid placements, no pre-publication review by brands.
ProductsVerdict is reader supported. When you purchase through some links, we may earn a commission. Our recommendations are based on our independent research process. Read our full disclosure and editorial guidelines.
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