Business Phone Systems · reliability comparison
RingCentral vs Vonage Business Communications: which is more reliable? (2026)
RingCentral is more reliable than Vonage Business Communications, scoring 79.6 vs 73.0 out of 100. Over the last 90 days RingCentral reported 16 incidents and Vonage Business Communications reported 3, with effective uptime of 99.99% and 99.72% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | RingCentral | Vonage Business Communications |
|---|---|---|
| Reliability score | 79.6 | 73.0 |
| Rank (business phone systems) | #8 | #10 |
| Uptime (90 days) | 99.99% | 99.72% |
| Incidents (90 days) | 16 | 3 |
| Partial / major outages | 1 | 0 |
| Avg time to resolve | — | 13h 24m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where RingCentral and Vonage Business Communications differ
- RingCentral reported 5.3× as many incidents as Vonage Business Communications over the last 90 days (16 vs 3).
- RingCentral had 1 partial or major outage, compared with 0 for Vonage Business Communications.
90-day uptime
RingCentral
Vonage Business Communications
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
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
Recent Vonage Business Communications incidents
- Degraded performanceOct 23, 2026 · resolved in 21h 12m
Inbound Call Completion Issues — Select Canadian Regions
Affected: Inbound Call Completion
- Degraded performanceOct 5, 2026 · resolved in 17h 48m
Vonage Mobile App Intermittently Not Sending Notifications
Affected: Mobile App (Android™), Mobile App (iOS)
- Degraded performanceSep 3, 2026 · resolved in 1h 13m
Account Features Not Updating for Some Accounts
Affected: Call Forwarding, Virtual Receptionist, Call Queues, Receptionist Console
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