Business Phone Systems · reliability comparison
Ooma Office vs RingCentral: which is more reliable? (2026)
Ooma Office is more reliable than RingCentral, scoring 80.0 vs 69.3 out of 100. Over the last 90 days Ooma Office reported 0 incidents and RingCentral reported 16, with effective uptime of 100% and 99.98% respectively.
Data updated Nov 2, 2026 · How we score
VS
| Metric | Ooma Office | RingCentral |
|---|---|---|
| Reliability score | 80.0 | 69.3 |
| Rank (business phone systems) | — | #10 |
| Uptime (90 days) | 100% | 99.98% |
| Incidents (90 days) | 0 | 16 |
| Partial / major outages | 0 | 1 |
| Avg time to resolve | — | — |
| Outages we detected | 0 | 1 |
| Transparency score | 0/100 | 50/100 |
Where Ooma Office and RingCentral differ
- Ooma Office reported no incidents in the last 90 days, while RingCentral reported 16.
- RingCentral had 1 partial or major outage, compared with 0 for Ooma Office.
- Our own probes detected 0 outages at Ooma Office and 1 at RingCentral, of which 0 and 0 respectively were acknowledged on their status pages.
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
- Degraded performanceOct 23, 2026 · resolved (duration not published)
Phone: A portion of customers in the APAC region may be experiencing dead air on calls
Affected: Phone
- Degraded performanceOct 22, 2026 · resolved (duration not published)
Phone: A portion of customers in the APAC region may be experiencing dead air on calls
Affected: Phone
- Degraded performanceOct 13, 2026 · resolved (duration not published)
Phone: A portion of customers may be unable to add agents to existing call queues
Affected: Phone
- Degraded performanceOct 7, 2026 · resolved (duration not published)
Affected: Phone
- Degraded performanceSep 22, 2026 · resolved (duration not published)
Affected: Phone
- Degraded performanceSep 22, 2026 · resolved (duration not published)
Affected: Messaging
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