We evaluated 8 VoIP and business phone platforms on call quality, setup speed, mobile app reliability, unified communications features, and total monthly cost. For quick shortlisting, start with Ooma Office, 800.com, Zoom, Nextiva, and Vonage. We keep earlier benchmark options like RingCentral below so you can compare broader feature depth too.
James Liu
Business Technology Editor · IT procurement specialist
Last reviewed: April 12, 2026 · Fact-checked by: Marcus Rivera
How we test →Ooma Office is our top practical pick for small businesses that want easy setup and predictable pricing. Nextiva stands out for support quality, while Zoom Phone is a strong fit for teams already using Zoom for meetings.
Ranked by expert score across 12 criteria. All pricing verified April 12, 2026.
All platforms side by side. Pricing verified April 12, 2026.
| Platform | Score | Price/User/Mo | Unlimited Calling | Video | Uptime SLA |
|---|---|---|---|---|---|
| Ooma Office | 4.3/5 | $19.95 | Limited | 99.8% | |
| 800.com | 4.1/5 | From $19/mo | Limited | N/A | |
| Zoom | 4.2/5 | $10/user/mo | Via Zoom | 99.9% | |
| Nextiva | 4.3/5 | $25 | 99.999% | ||
| Vonage | 4.2/5 | $19.99 | 99.999% | ||
| RingCentral MVP | 4.5/5 | $20 | 99.999% |
Answered by James Liu, Business Technology Editor.
Start with Ooma Office, 800.com, Zoom, Nextiva, and Vonage for a balanced shortlist across ease of use, unified communication, and support quality. Then compare RingCentral if you need deeper enterprise-level features.
Yes. Number porting is supported by major providers like Ooma, Nextiva, Vonage, Zoom, and RingCentral. In most cases complete migration takes about two to four weeks depending on carriers and validation steps.
With stable internet, modern VoIP quality usually matches or beats legacy landlines. For best reliability, use wired connections where possible and keep enough bandwidth for peak concurrent calls.
Zoom Phone starts around $10 per user per month and pairs cleanly with Zoom Meetings for hybrid teams that want one vendor for meetings and PSTN calling.
RingCentral MVP scores 4.5/5 with deep integrations, advanced routing, messaging plus video in one app, and strong uptime messaging. It suits teams that outgrow simpler SMB stacks even though entry pricing runs higher than Ooma or Vonage.