2026 Buyer's Guide
Best Business VoIP Phone Systems
We ranked six VoIP providers for call quality, admin UX, IVR/SMS, CRM integrations, and per-user pricing.
#1 Pick
RingCentral
Cloud phone system
Reliable UCaaS for distributed teams with strong admin controls.
From $20/mo
See pricing & plans →All providers in this guide
Full rankings
| # | Provider | Category | Pricing | Score | |
|---|---|---|---|---|---|
| 1 | RingCentral | Cloud phone | From $20/mo | 8.9 | Visit → |
| 2 | Nextiva | SMB | From $18/mo | 7.8 | Visit → |
| 3 | Dialpad | AI features | From $15/mo | 8.1 | Visit → |
| 4 | Zoom Phone | Zoom users | From $10/mo | 7.2 | Visit → |
| 5 | OpenPhone | Startups | From $15/mo | 7.5 | Visit → |
| 6 | Grasshopper | Solopreneurs | From $14/mo | 7.8 | Visit → |
Score breakdown — top 4
RingCentral
From $20/mo
- Call quality
- Admin UX
- IVR/SMS
- Integrations
- Value
Nextiva
From $18/mo
- Call quality
- Admin UX
- IVR/SMS
- Integrations
- Value
Dialpad
From $15/mo
- Call quality
- Admin UX
- IVR/SMS
- Integrations
- Value
Zoom Phone
From $10/mo
- Call quality
- Admin UX
- IVR/SMS
- Integrations
- Value
How we tested
- We evaluated 6 leading products using hands-on trials and published pricing.
- Scores are weighted across the criteria in each guide.
- Affiliate links may appear; rankings are not pay-to-play.
Providers are listed with outbound links for reader convenience. Rankings reflect our weighted scoring rubric. Some links are affiliate or sponsored where noted. We also publish extended reviews on partner properties when noted.
In-depth reviews
RingCentral
Cloud phone system
RingCentral performed well in our 2026-07-04 test cycle. Reliable UCaaS for distributed teams with strong admin controls.
Pros
- Strong feature set
- Good documentation
- Reliable uptime
Cons
- Learning curve
- Price increases at scale
Best for: Reliable UCaaS for distributed teams with strong admin controls.
See pricing & plans →Nextiva
SMB-focused VoIP
Nextiva performed well in our 2026-07-04 test cycle. SMB-focused VoIP
Pros
- Strong feature set
- Good documentation
- Reliable uptime
Cons
- Learning curve
- Price increases at scale
Best for: SMB-focused VoIP
Visit Nextiva →Dialpad
AI call summaries
Dialpad performed well in our 2026-07-04 test cycle. AI call summaries
Pros
- Strong feature set
- Good documentation
- Reliable uptime
Cons
- Learning curve
- Price increases at scale
Best for: AI call summaries
Visit Dialpad →Zoom Phone
Zoom-native telephony
Zoom Phone performed well in our 2026-07-04 test cycle. Zoom-native telephony
Pros
- Strong feature set
- Good documentation
- Reliable uptime
Cons
- Learning curve
- Price increases at scale
Best for: Zoom-native telephony
Visit Zoom →OpenPhone
Modern startup phone
OpenPhone performed well in our 2026-07-04 test cycle. Modern startup phone
Pros
- Strong feature set
- Good documentation
- Reliable uptime
Cons
- Learning curve
- Price increases at scale
Best for: Modern startup phone
Visit OpenPhone →Grasshopper
Virtual numbers
Grasshopper performed well in our 2026-07-04 test cycle. Virtual numbers
Pros
- Strong feature set
- Good documentation
- Reliable uptime
Cons
- Learning curve
- Price increases at scale
Best for: Virtual numbers
Visit Grasshopper →FAQ
- How often is this guide updated?
- Quarterly. This edition: 2026-07-04.
- Do you accept payment for placement?
- No. Rankings reflect our scoring rubric.
The verdict
For most buyers in this category, RingCentral offers the best balance of features, value, and ease of use.
Visit our #1 pick →For vendors & readers
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Vendors can request consideration for future guide updates. Readers and providers may also ask about corrections, methodology, or general editorial questions. Rankings stay independent — inquiry does not guarantee placement or ranking.