Business Phone Systems · reliability comparison
Ooma Office vs RingCentral: which is more reliable? (2026)
RingCentral is more reliable than Ooma Office, scoring 90.0 vs 80.0 out of 100. Over the last 90 days Ooma Office reported 0 incidents and RingCentral reported 0, with effective uptime of 100% and 100% respectively.
Data updated Nov 1, 2026 · How we score
VS
| Metric | Ooma Office | RingCentral |
|---|---|---|
| Reliability score | 80.0 | 90.0 |
| Rank (business phone systems) | — | — |
| Uptime (90 days) | 100% | 100% |
| Incidents (90 days) | 0 | 0 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | — | — |
| Outages we detected | 0 | 0 |
| Transparency score | 0/100 | 50/100 |
90-day uptime
Ooma Office
RingCentral
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Ooma Office incidents
No incidents reported by Ooma Office in the last 90 days.
Recent RingCentral incidents
No incidents reported by RingCentral in the last 90 days.
Other business phone systems to consider
- Grasshopper · #1 · 99.96% uptime
- JustCall · #2 · 99.96% uptime
- CloudTalk · #3 · 99.91% uptime
- GoTo Connect · #4 · 99.87% uptime